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91708hkim 20080804-s00001 no.a1210-1/29 http://onsemi.com semiconductor components industries, llc, 2013 may, 2013 ver.1.02a lc87f2932a overview the lc87f2932a is an 8-bit microcomputer that, centered around a cpu running at a minimum bus cycle time of 83.3ns, integrates on a single chip a number of hardware features such as 32k-byte flash rom (onboard programmable), 2048-byte ram, an on-chip debugger, sophisticated 16-bit timers/counters (may be divided into 8- bit timers), a 16-bit timer/counter (may be divided into 8-bit timers/counters or 8-bit pwms), four 8-bit timers with a prescaler, a base timer serving as a time-of-day clock, day and time counter, a high-speed clock counter, a synchronous sio interface (with automatic block transmission/reception ca pabilities), an asynch ronous/synchronous sio interface, a uart interf ace (full duplex), an 8-bit 13-channel ad converter, two 12-bit pwm channels, a system clock frequency divider, frequency variable rc oscilla tion circuit, and a 26-source 10-vector interrupt feature. features ? flash rom ? capable of on-board-programming with wide range, 3.0 to 5.5v, of voltage source. ? block-erasable in 128-byte units ? writable in 2-byte units ? 32768 8 bits ? ram ? 2048 9 bits ? minimum bus cycle ? 83.3ns (12mhz) v dd =3.0 to 5.5v ? 125ns (8mhz) v dd =2.5 to 5.5v ? 250ns (4mhz) v dd =2.2 to 5.5v note: the bus cycle time here refers to the rom read speed. ordering number : ENA1210A ordering number : ena1951 ordering number : ENA1210A cmos ic from 32k byte, ram 2048 byte on-chip 8-bit 1-chip microcontroller * this product is licensed from silicon storage technology, inc. (usa).
lc87f2932a no.a1210-2/29 ? minimum instruction cycle time ? 250ns (12mhz) v dd =3.0 to 5.5v ? 375ns (8mhz) v dd =2.5 to 5.5v ? 750ns (4mhz) v dd =2.2 to 5.5v ? ports ? normal withstand voltage i/o ports ports whose i/o direction can be designated in 1-bit units 59 (p0n, p1n, p2n, p30 to p33, p70 to p73, p80 to p86, pbn, pcn, pwm2, pwm3, cf2, xt2) (ports p30 to p33 are available in flga68k(6.0 6.0) package only.) ? normal withstand voltage input port 2 (cf1, xt1) ? reset pins 1 (res ) ? power pins 6 (v ss 1 to 3, v dd 1 to 3) ? timers ? timer 0: 16-bit timer/counter with two capture registers. mode 0: 8-bit timer with an 8-bit programmab le prescaler (with two 8-bit capture register) 2 channels mode 1: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture register) + 8-bit counter (with an 8-bit capture register) mode 2: 16-bit timer with an 8-bit programmabl e prescaler (with two 16-bit capture register) mode 3: 16-bit counter (with two 16-bit capture register) ? timer 1: 16-bit timer/counter that supports pwm/toggle outputs mode 0: 8-bit timer with an 8-b it prescaler (with toggle outputs) + 8-bit timer/counter with an 8- bit prescaler (with toggle outputs) mode 1: 8-bit pwm with an 8-bit prescaler 2 channels mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs) (toggle outputs also possible from the lower-order 8 bits) mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs) (the lower-order 8 bits can be used as pwm.) ? timer 4: 8-bit timer with a 6-bit prescaler ? timer 5: 8-bit timer with a 6-bit prescaler ? timer 6: 8-bit timer with a 6-bit prescaler (with toggle output) ? timer 7: 8-bit timer with a 6-bit prescaler (with toggle output) ? base timer 1) the clock is selectable from the subclock (32.768khz crystal oscillation), system clock, and timer 0 prescaler output. 2) interrupts are programmable in 5 different time schemes ? day and time counter 1) with a base timer, it can be used as 65535days + 23hours + 59minutes + 59seconds counter. 2) interrupts are programmable in 4 different time schemes (day, hour, minute or second). ? high-speed clock counter 1) can count clocks with a maximum clock rate of 20mhz (at a main clock of 10mhz) 2) can generate output real-time ? sio ? sio0: 8-bit synchronous serial interface 1) lsb first/msb first mode selectable 2) built-in 8-bit baudrate generator (maximum transfer clock cycle= 4/3 tcyc ) 3) automatic continuous data transmission (1 to 256 bits, specifiable in 1-bit units, suspension and resumption of data transmission possible in 1-byte units) ? sio1: 8-bit asynchronous/synchronous serial interface mode 0: synchronous 8-bit serial i/o (2- or 3-wire configuration, 2 to 512 tcyc transfer clocks) mode 1: asynchronous serial i/o (half-duplex, 8-data bits, 1-stop bit, 8 to 2048 tcyc baudrates) mode 2: bus mode 1 (start bit, 8-data bits, 2 to 512 tcyc transfer clocks) mode 3: bus mode 2 (start detect, 8-data bits, stop detect)
lc87f2932a no.a1210-3/29 ? uart ? full duplex ? 7/8/9 bit data bits selectable ? 1 stop bit (2-bit in continuous data transmission) ? built-in baudrate generator ? ad converter: 8 bits 13 channels ? pwm: multifrequency 12-bit pwm 2 channels ? remote control receiver circuit (sharing pins with p73, int3, and t0in) ? noise rejection function (noise filter time constant selectable from 1 tcyc, 32 tcyc, and 128 tcyc) ? watchdog timer ? external rc watchdog timer ? interrupt and reset signals selectable ? clock output function 1) outputs clock with a frequency 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 of the source clock of the system clock 2) outputs clock of the subclock ? interrupts ? 26 sources, 10 vector addresses 1) provides three levels (low (l), high (h), and highest (x)) of multiplex interrupt cont rol. any interrupt requests of the level equal to or lower than the current interrupt are not accepted. 2) when interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level takes precedence over the other interrupts. for interrupts of the same level, the interrupt into the smallest vector address takes precedence. no. vector address level interrupt source 1 00003h x or l int0 2 0000bh x or l int1 3 00013h h or l int2/t0l/int4 4 0001bh h or l int3/int5/ bt0/bt1/dhmsc 5 00023h h or l t0h/int6 6 0002bh h or l t1l/t1h/int7 7 00033h h or l sio0/uart1 receive 8 0003bh h or l sio1/uart1 transmit 9 00043h h or l adc/t6/t7 10 0004bh h or l port 0/t4/t5/pwm2, pwm3 ? priority levels x > h > l ? of interrupts of the same level, the one with the smallest vector address takes precedence. ? iflg (list of interrupt source flag function) 1) shows a list of interrupt source flags that caused a bran ching to a particular vector address (shown in the table above). ? subroutine stack levels: 1024 levels (the stack is allocated in ram) ? high-speed multiplication/division instructions ? 16 bits 8 bits (5 tcyc execution time) ? 24 bits 16 bits (12 tcyc execution time) ? 16 bits 8 bits (8 tcyc execution time) ? 24 bits 16 bits (12 tcyc execution time)
lc87f2932a no.a1210-4/29 ? oscillation circuits ? rc oscillation circuit (internal): for system clock ? cf oscillation circuit: for system clock, with internal rf ? crystal oscillation circuit: for low-spee d system clock, with internal rf ? frequency variable rc oscillation circuit (internal): for system clock 1) adjustable in 4% (typ) step from a selected center frequency. 2) measures oscillation clock using a input signal from xt1 as a reference. ? system clock divider function ? can run on low current. ? the minimum instruction cycle selectable from 300ns, 600ns, 1.2 s, 2.4 s, 4.8 s, 9.6 s, 19.2 s, 38.4 s, and 76.8 s (at a main clock rate of 10mhz). ? standby function ? halt mode: halts instruction execution while allowing the peripheral circuits to continue operation. 1) oscillation is not halted automatically. 2) there are three ways of resetting the halt mode. (1) setting the reset pin to the low level (2) system resetting by watchdog timer (3) occurrence of an interrupt ? hold mode: suspends instruction execution and the operation of the peripheral circuits. 1) the cf, rc, x?tal, and frequency variable rc oscillators automatically stop operation. 2) there are four ways of resetting the hold mode. (1) setting the reset pin to the low level. (2) system resetting by watchdog timer (3) having an interrupt source established at e ither int0, int1, int2, int4, int5, int6, or int7 * int0 and int1 hold mode reset is available only when level detection is set. (4) having an interrupt source established at port 0 ? x'tal hold mode: suspends instruction execution and the oper ation of the peripheral circuits except the base timer. 1) the cf, rc, and frequency variable rc oscillators automatically stop operation. 2) the state of crystal oscillation established wh en the x'tal hold mode is entered is retained. 3) there are six ways of resetting the x'tal hold mode. (1) setting the reset pin to the low level (2) system resetting by watchdog timer (3) having an interrupt source established at e ither int0, int1, int2, int4, int5, int6, or int7 * int0 and int1 hold mode reset is available only when level detection is set. (4) having an interrupt source established at port 0 (5) having an interrupt source established in the base timer circuit (6) having an interrupt source established in the day and time counter circuit ? on-chip debugger ? supports software debugging with the ic mounted on the target board (lc87d2932a). lc87f2932a has an on-chip debugger but its function is limited. ? package form ? qip64e (14 14): lead-free type ? tqfp64j (7 7): lead-free type ? flga68k (6.0 6.0): lead-free type ? flga64 (5.0 5.0): lead-free type ? development tools ? on-chip debugger: tcb87- typeb + lc87d2932a
lc87f2932a no.a1210-5/29 ? programming boards package programming boards qip64e (14 14) w87f50256q tqfp64j (7 7) w87f58256tq7 flga68k (6.0 6.0) w87f58256fl6 * this board is built to order. it may take about a month to deliver. flga64 (5.0 5.0) w87f59256fl5 * this board is built to order. it may take about a month to deliver. ? flash rom programmer maker model supported version device flash support group, inc. (fsg) single programmer af9708 af9709/af9709b/af9709c (including ando electric co., ltd. models) rev 03.04 or later lc87f2932a flash support group, inc. (fsg) + our company (note 1) in-circuit programmer af9101/af9103(main body) (fsg models) (note 2) lc87f2932a sib87(inter face driver) (our company model) our company single/gang programmer skk/skk type b (sanyo fws) application version 1.04 or later chip data version 2.15 or later lc87f2924 in-circuit/gang programmer skk-dbg type b (sanyo fws) note1: on-board-programmer from fsg (af9101/af9103) an d serial interface driver fr om our company (sib87) together can give a pc-less, standalone on-board-programming capabilities. note2: it needs a special programming devices and applications depending on the use of programming environment. please ask fsg or our comp any for the information.
lc87f2932a no.a1210-6/29 package dimensions unit : mm (typ) 3159a package dimensions unit : mm (typ) 3289 sanyo : tqfp64j(7x7) 7.0 9.0 7.0 9.0 0.125 0.5 0.16 0.4 (0.5) (1.0) 1.2max 0.1 1 16 33 48 17 64 32 49 sanyo : qip64e(14x14) 14.0 17.2 14.0 17.2 0.15 0.35 0.8 (2.7) 3.0max 0.1 0.8 (1.0) 116 17 32 33 48 49 64
lc87f2932a no.a1210-7/29 pin assignment note: port p30, p31, p32, p33 are not available in the above package. qip64e(14 14) ?lead-free type? tqfp64j(7 7) ?lead-free type? top view 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 48 p83/an3 p84/an4 p85/an5 p86/an6 pc0/an8 pc1/an9 pc2/an10 pc3/an11 pc4 pc5/dbgp0 pc6/dbgp1 pc7/dbgp2 v dd 3 v ss 3 pb0 pb1 pb2 pb3 pb4 pb5 pb6 pb7 p27/int5/t1in/int7/t0hcp1 p26/int5/t1in/int6/t0lcp1 p25/int5/t1in p24/int5/t1in p23/int4/t1in p22/int4/t1in p21/urx/int4/t1in p20/utx/int4/t1in p07/t7o p06/t6o p70/int0/t0lcp p71/int1/t0hcp p72/int2/t0in p73/int3/t0in res xt1 xt2 v ss 1 cf1/an12 cf2/an13 v dd 1 p80/an0 p81/an1 p82/an2 p10/so0 p11/si0/sb0 p12/sck0 p13/so1 p14/si1/sb1 p15/sck1 p16/t1pwml p17/t1pwmh/buz pwm2 pwm3 v dd 2 v ss 2 p00 p01 p02 p03 p04 p05/cko lc87f2932a 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 1 2 3 4 5 6 7 8910 11 12 13 14 15 16
lc87f2932a no.a1210-8/29 package dimensions unit : mm (typ) 3326 package dimensions unit : mm (typ) 3328 s sanyo : flga68k(6.0x6.0) 6.0 0.5 0.5 top view side view bottom view 0.3 0.4 6.0 0.85max 0.0nom 0.5 (0.45) (0.45) 0.5 0.3 lkjhg fedcba 11 10 9 8 7 6 5 4 3 2 1 sanyo : flga64(5.0x5.0) 5.0 0.3 5.0 0.8 0.0nom 0.75 0.75 0.5 2 1345678 0.5 gfe dcba h
lc87f2932a no.a1210-9/29 pin assignments pin no. pin name pin no. pin name pin no. pin name pin no. pin name 1 p12/sck0 18 p06/t6o 35 pb1 52 p70/int0/t0lcp 2 p13/so1 19 p07/t7o 36 pb0 53 p71/int1/t0hcp 3 p14/si1/sb1 20 p20/utx/int4/t1in 37 v ss 3 54 p72/int2/t0in 4 p15/sck1 21 p21/urx/int4/t1in 38 v dd 3 55 p73/int3/t0in 5 p16/t1pwml 22 p22/int4/t1in 39 pc7/dbgp2 56 res 6 p17/t1pwmh/buz 23 p23/int4/t1in 40 pc6/dbgp1 57 xt1 7 pwm2 24 p24/int5/t1in 41 pc5/dbgp0 58 xt2 8 pwm3 25 p25/int5/t1in 42 pc4 59 v ss 1 9 v dd 2 26 p26/int5/t1in /int6/tolcp1 43 pc3/ an11 60 cf1/an12 10 v ss 2 27 p27/int5/t1in/int7/t0 hcp1 44 pc2/an10 61 cf2/an13 11 p00 28 pb7 45 pc1/an9 62 v dd 1 12 p01 29 pb6 46 pc0/an8 63 p80/an0 13 p02 30 pb5 47 p86/an6 64 p81/an1 14 p03 31 pb4 48 p85/an5 65 p82/an2 15 p04 32 pb3 49 p84/an4 66 p10/so0 16 p05/cko 33 pb2 50 p83/an3 67 p11/si0/sb0 17 p30 34 p31 51 p32 68 p33 note: a1, a11, l1, l11 are dummy terminals for the package. these terminals need to be bonded with foot pattern for the secure bonding of the package. flga68k(6.0 6.0) ?lead-free type? top view 11 10 9 8 7 6 5 4 3 2 1 51 50 53 55 57 59 61 63 65 67 1 52 54 56 58 60 62 64 66 68 49 48 2 3 47 46 4 5 45 44 6 7 43 42 8 9 41 40 10 11 39 38 12 13 37 36 14 15 35 33 31 29 27 25 23 21 19 16 17 34 32 30 28 26 24 22 20 18 a b c d e f g h j k l lc87f2932a
lc87f2932a no.a1210-10/29 pin no. pin name pin no. pin name pin no. pin name pin no. pin name 1 p12/sck0 17 p06/t6o 33 pb1 49 p70/int0/t0lcp 2 p13/so1 18 p07/t7o 34 pb0 50 p71/int1/t0hcp 3 p14/si1/sb1 19 p20/utx/int4/t1in 35 v ss 3 51 p72/int2/t0in 4 p15/sck1 20 p21/urx/int4/t1in 36 v dd 3 52 p73/int3/t0in 5 p16/t1pwml 21 p22/int4/t1in 37 pc7/dbgp2 53 res 6 p17/t1pwmh/buz 22 p23/int4/t1in 38 pc6/dbgp1 54 xt1 7 pwm2 23 p24/int5/t1in 39 pc5/dbgp0 55 xt2 8 pwm3 24 p25/int5/t1in 40 pc4 56 v ss 1 9 v dd 2 25 p26/int5/t1in/int6/t0lc p1 41 pc3/an11 57 cf1/an12 10 v ss 2 26 p27/int5/t1in/int7/t0 hcp1 42 pc2/an10 58 cf2/an13 11 p00 27 pb7 43 pc1/an9 59 v dd 1 12 p01 28 pb6 44 pc0/an8 60 p80/an0 13 p02 29 pb5 45 p86/an6 61 p81/an1 14 p03 30 pb4 46 p85/an5 62 p82/an2 15 p04 31 pb3 47 p84/an4 63 p10/so0 16 p05/cko 32 pb2 48 p83/an3 64 p11/si0/sb0 note: port p30, p31, p32, p33 are not available in the above package. flga64(5.0 5.0) ?lead-free type? 48 50 52 53 58 61 2 1 a b c d e f g h 8 7 6 5 4 3 2 1 47 49 54 56 57 59 64 63 43 45 51 55 60 3 4 6 41 42 44 46 62 7 5 8 38 36 35 28 23 19 13 11 33 34 29 26 21 20 18 16 31 32 27 25 24 22 17 15 40 37 39 30 14 12 10 9 top view lc87f2932a
lc87f2932a no.a1210-11/29 system block diagram interrupt control standby control ir pla clock generator cf rc x?tal bus interface port 0 port 1 sio0 sio1 timer 0 timer 1 timer 4 timer 5 port 2 port 7 port 8 adc alu flash rom pc acc b register c register psw rar ram stack pointer watchdog timer base timer uart1 timer 6 int0 to 7 noise filter timer 7 port b port c on-chip debugger pwm2/3 vmrc port 3 day and time counter
lc87f2932a no.a1210-12/29 pin description pin name i/o description option v ss 1 v ss 2 v ss 3 - -power supply pin no v dd 1 v dd 2 v dd 3 - +power supply pin no port 0 i/o ? 8-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? hold reset input ? port 0 interrupt input ? shared pins p05: clock output (system clock/can selected from sub clock) p06: timer 6 toggle output p07: timer 7 toggle output yes p00 to p07 port 1 i/o ? 8-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? shared pins p10: sio0 data output p11: sio0 data input/bus i/o p12: sio0 clock i/o p13: sio1 data output p14: sio1 data input/bus i/o p15: sio1 clock i/o p16: timer 1pwml output p17: timer 1pwmh output/beeper output yes p10 to p17 port 2 i/o ? 8-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? shared pins p20: uart transmit p21: uart receive p26: int6 input/hold reset input/timer 0l capture 1 input p27: int7 input/ hold reset input/timer 0h capture 1 input p20 to p23: int4 input/hold reset input/ timer 1 event input/timer 0l capture input/ timer 0h capture input p24 to p27: int5 input/hold reset input/ timer 1 event input/timer 0l capture input/ timer 0h capture input interrupt acknowledge type yes p20 to p27 rising falling rising & falling h level l level int4 int5 int6 int7 enable enable enable enable enable enable enable enable enable enable enable enable disable disable disable disable disable disable disable disable port 3 i/o ? 4-bit i/o port (these ports are available in flga68k(6.0 6.0) package only.) ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. yes p30 to p33 continued on next page.
lc87f2932a no.a1210-13/29 continued from preceding page. pin name i/o description option port 7 i/o ? 4-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? shared pins p70: int0 input/hold reset input/time r 0l capture input/watchdog timer output p71: int1 input/hold reset input/timer 0h capture input p72: int2 input/hold reset input/timer 0 event input/timer 0l capture input/ high speed clock counter input p73: int3 input (with noise filter)/time r 0 event input/timer 0h capture input interrupt acknowledge type no p70 to p73 rising falling rising & falling h level l level int0 int1 int2 int3 enable enable enable enable enable enable enable enable disable disable enable enable enable enable disable disable enable enable disable disable port 8 i/o ? 7-bit i/o port ? i/o specifiable in 1-bit units ? shared pins ad converter input port: an0 (p80) to an6 (p86) no p80 to p86 pwm2 pwm3 i/o ? pwm2 and pwm3 output ports ? general-purpose i/o available no port b i/o ? 8-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1 bit units. yes pb0 to pb7 port c i/o ? 8-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? shared pins ad converter input port: an8 (pc0) to an11 (pc3) on-chip debugger pins: dbgp0 to dbgp2 (pc5 to pc7) yes pc0 to pc7 res input reset pin no xt1 input ? 32.768khz crystal oscillator input pin ? shared pins general-purpose input port no xt2 i/o ? 32.768khz crystal oscillator output pin ? shared pins general-purpose i/o port no cf1 input ? ceramic resonator input pin ? shared pins general-purpose input port ad converter input port: an12 no cf2 i/o ? ceramic resonator output pin ? shared pins general-purpose i/o port ad converter input port: an13 no
lc87f2932a no.a1210-14/29 on-chip debugger pin connection requirements for the treatment of the on-chip debugger pins, refer to the separately available documents entitled ?rd87 on-chip debugger installation manual? recommended unused pin connections port name recommended unused pin connections board software p00 to p07 open output low p10 to p17 open output low p20 to p27 open output low p30 to p33 open output low p70 to p73 open output low p80 to p86 open output low pwm2,pwm3 open output low pb0 to pb7 open output low pc0 to pc6 open output low pc7 pulled low with a 100k resistor or less output disable xt1 pulled low with a 100k resistor or less - xt2 open output low cf1 pulled low with a 100k resistor or less - cf2 open output low port output types the table below lists the types of port outputs and the presence/absence of a pull-up resistor. data can be read into any input port even if it is in the output mode. port name option selected in units of option type output type pull-up resistor p00 to p07 1 bit 1 cmos programmable 2 nch-open drain programmable p10 to p17 1 bit 1 cmos programmable 2 nch-open drain programmable p20 to p27 1 bit 1 cmos programmable 2 nch-open drain programmable p30 to p33 1 bit 1 cmos programmable 2 nch-open drain programmable p70 - no nch-open drain programmable p71 to p73 - no cmos programmable p80 to p86 - no nch-open drain no pwm2, pwm3 - no cmos no pb0 to pb7 1 bit 1 cmos programmable 2 nch-open drain programmable pc0 to pc7 1 bit 1 cmos programmable 2 nch-open drain programmable xt1 - no input for 32.768khz crystal oscillator (input only) no xt2 - no output for 32.768khz crystal oscillator (nch-open drain when in general-purpose output mode) no cf1 - no input for ceramic oscillator (input only) no cf2 - no output for ceramic oscillator (nch-open drain when in general-purpose output mode) no
lc87f2932a no.a1210-15/29 user option table option name option to be applied on flash-rom version option selected in units of option selection port output type p00 to p07 ? 1 bit cmos nch-open drain p10 to p17 ? 1 bit cmos nch-open drain p20 to p27 ? 1 bit cmos nch-open drain p30 to p33 ? 1 bit cmos nch-open drain pb0 to pb7 ? 1 bit cmos nch-open drain pc0 to pc7 ? 1 bit cmos nch-open drain program start address - ? - 00000h 07e00h *1: connect the ic as shown below to minimize the noise input to the v dd 1 pin. be sure to electrically short the v ss 1, v ss 2, and v ss 3 pins. *2: the internal memory is sustained by v dd 1. if none of v dd 2 and v dd 3 are backed up, the high level output at the ports are unstable in the hold backup mode, allowing through current to flow into the input buffer and thus shortening the backup time. make sure that the port outputs are held at the low level in the hold backup mode. power supply lsi v dd 1 for backup *2 v dd 2 v dd 3 v ss 3 v ss 2 v ss 1
lc87f2932a no.a1210-16/29 absolute maximum ratings at ta = 25c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit maximum supply voltage v dd max v dd 1, v dd 2, v dd 3 v dd 1=v dd 2=v dd 3 -0.3 +6.5 v input voltage v i (1) xt1, cf1 -0.3 v dd +0.3 input/output voltage v io (1) ports 0, 1, 2, 3, 7, 8 ports b, c pwm2, pwm3, xt2, cf2 -0.3 v dd +0.3 high level output current peak output current ioph(1) ports 0, 1, 2, 3 ports b, c cmos output select per 1 applicable pin -10 ma ioph(2) pwm2, pwm3 per 1 applicable pin -20 ioph(3) p71 to p73 per 1 applicable pin -5 mean output current (note 1-1) iomh(1) ports 0, 1, 2, 3 ports b, c cmos output select per 1 applicable pin -7.5 iomh(2) pwm2, pwm3 per 1 applicable pin -10 iomh(3) p71 to p73 per 1 applicable pin -3 total output current ioah(1) p71 to p73, p32 total of all applicable pins -10 ioah(2) port 1, p33 pwm2, pwm3 total of all applicable pins -25 ioah(3) ports 0, 2, p30 total of all applicable pins -25 ioah(4) ports 0, 1, 2, p30, pwm2, pwm3, p33 total of all applicable pins -45 ioah(5) port b, p31 total of all applicable pins -25 ioah(6) port c total of all applicable pins -25 ioah(7) ports b, c, p31 total of all applicable pins -45 low level output current peak output current iopl(1) p02 to p07 ports 1, 2, 3, b, c pwm2, pwm3 per 1 applicable pin 20 iopl(2) p00, p01 per 1 applicable pin 30 iopl(3) ports 7, 8, xt2, cf2 per 1 applicable pin 10 mean output current (note 1-1) ioml(1) p02 to p07 ports 1, 2, 3, b, c pwm2, pwm3 per 1 applicable pin 15 ioml(2) p00, p01 per 1 applicable pin 20 ioml(3) ports 7, 8 xt2, cf2 per 1 applicable pin 7.5 total output current ioal(1) port 7, p32 p83 to p86, xt2, cf2 total of all applicable pins 15 ioal(2) p80 to p82 total of all applicable pins 15 ioal(3) ports 7, 8, p32 xt2, cf2 total of all applicable pins 20 ioal(4) port 1, p33 pwm2, pwm3 total of all applicable pins 45 ioal(5) ports 0, 2, p30 total of all applicable pins 45 ioal(6) ports 0, 1, 2 p30, p33 pwm2, pwm3 total of all applicable pins 80 ioal(7) port b, p31 total of all applicable pins 45 ioal(8) port c total of all applicable pins 45 ioal(9) ports b, c, p31 total of all applicable pins 80 note 1-1: the mean output current is a mean value measured over 100ms. continued on next page.
lc87f2932a no.a1210-17/29 continued from preceding page. parameter symbol pin/remarks conditions specification v dd [v] min typ max unit power dissipation pd max qip64e(14 14) ta=-40 to +85 c 292 mw tqfp64j(7 7) 133 flga68k(6.0 6.0) 96 flga64(5.0 5.0) 91 operating ambient temperature topr -40 +85 c storage ambient temperature tstg -55 +125 allowable operating range at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit operating supply voltage (note 2-1) v dd (1) v dd 1=v dd 2=v dd 3 0.245s tcyc 200s 3.0 5.5 v 0.367s tcyc 200s 2.5 5.5 0.681s tcyc 200s 2.2 5.5 memory sustaining supply voltage vhd v dd 1=v dd 2=v dd 3 ram and register contents sustained in hold mode. 2.0 5.5 high level input voltage v ih (1) ports 1, 2 p71 to p73 p70 port input/ interrupt side 2.2 to 5.5 0.3v dd +0.7 v dd v ih (2) ports 0, 3, 8, b, c pwm2, pwm3 2.2 to 5.5 0.3v dd +0.7 v dd v ih (3) port 70 watchdog timer side 2.2 to 5.5 0.9v dd v dd v ih (4) xt1, xt2, cf1, cf2, res 2.2 to 5.5 0.75v dd v dd low level input voltage v il (1) ports 1, 2 p71 to p73 p70 port input/ interrupt side 4.0 to 5.5 v ss 0.1v dd +0.4 2.2 to 4.0 v ss 0.2v dd v il (2) ports 0, 3, 8, b, c pwm2, pwm3 4.0 to 5.5 v ss 0.15v dd +0.4 2.2 to 4.0 v ss 0.2v dd v il (3) port 70 watchdog timer side 2.2 to 5.5 v ss 0.8v dd -1.0 v il (4) xt1, xt2, cf1, cf2, res 2.2 to 5.5 v ss 0.25v dd instruction cycle time (note 2-2) tcyc 3.0 to 5.5 0.245 200 s 2.5 to 5.5 0.367 200 2.2 to 5.5 0.681 200 external system clock frequency fexcf(1) cf1 ? cf2 pin open ? system clock frequency division ratio=1/1 ? external system clock duty =50 5% 3.0 to 5.5 0.1 12 mhz 2.5 to 5.5 0.1 8 2.2 to 5.5 0.1 4 ? cf2 pin open ? system clock frequency division ratio=1/2 3.0 to 5.5 0.2 24.4 2.5 to 5.5 0.2 16 2.2 to 5.5 0.2 8 note 2-1: v dd must be held greater than or equal to 3.0v in the flash rom onboard programming mode. note 2-2: relationship between tcyc and oscillation frequency is 3/fmcf at a division ratio of 1/1 and 6/fmcf at a division ratio of 1/2. continued on next page. stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
lc87f2932a no.a1210-18/29 continued from preceding page. parameter symbol pin/remarks conditions specification v dd [v] min typ max unit oscillation frequency range (note 2-3) fmcf(1) cf1, cf2 ? 12mhz ceramic oscillation ? see fig. 1. 3.0 to 5.5 12 mhz fmcf(2) cf1, cf2 ? 8mhz ceramic oscillation ? see fig. 1. 2.5 to 5.5 8 fmcf(3) cf1, cf2 ? 4mhz ceramic oscillation ? see fig. 1. 2.2 to 5.5 4 fmrc internal rc oscillation 2.2 to 5.5 0.3 1.0 2.0 fmvmrc(1) ? frequency variable rc source oscillation ? when vmraj2 to 0=4, vmfaj2 to 0=0, vmsl4m=0 2.2 to 5.5 10 fmvmrc(2) ? frequency variable rc source oscillation ? when vmraj2 to 0=4, vmfaj2 to 0=0, vmsl4m=1 2.2 to 5.5 4 fsx?tal xt1, xt2 ? 32.768khz crystal oscillation ? see fig. 2. 2.2 to 5.5 32.768 khz frequency variable rc oscillation usable range opvmrc(1) when vmsl4m=0 2.2 to 5.5 8 10 12 mhz opvmrc(2) when vmsl4m=1 2.2 to 5.5 3.5 4 4.5 frequency variable rc oscillation adjustment range vmadj(1) each step of vmrajn (wide range) 2.2 to 5.5 8 24 64 % vmadj(2) each step of vmfajn (small range) 2.2 to 5.5 1 4 8 note 2-3: see tables 1 and 2 for the oscillation constants.
lc87f2932a no.a1210-19/29 electrical characteristics at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit high level input current i ih (1) ports 0, 1, 2, 3 ports 7, 8 ports b, c res pwm2, pwm3 output disabled pull-up resistor off v in =v dd (including output tr's off leakage current) 2.2 to 5.5 1 a i ih (2) xt1, xt2, cf1, cf2 for input port specification v in =v dd 2.2 to 5.5 1 i ih (3) cf1 v in =v dd 2.2 to 5.5 15 low level input current i il (1) ports 0, 1, 2, 3 ports 7, 8 ports b, c res pwm2, pwm3 output disabled pull-up resistor off v in =v ss (including output tr's off leakage current) 2.2 to 5.5 -1 i il (2) xt1, xt2, cf1, cf2 for input port specification v in =v ss 2.2 to 5.5 -1 i il (3) cf1 v in =v ss 2.2 to 5.5 -15 high level output voltage v oh (1) ports 0, 1, 2, 3 ports b, c i oh =-1ma 4.5 to 5.5 v dd -1 v v oh (2) i oh =-0.4ma 3.0 to 5.5 v dd -0.4 v oh (3) i oh =-0.2ma 2.2 to 5.5 v dd -0.4 v oh (4) p71 to p73 i oh =-0.4ma 3.0 to 5.5 v dd -0.4 v oh (5) i oh =-0.2ma 2.2 to 5.5 v dd -0.4 v oh (6) pwm2, pwm3 i oh =-10ma 4.5 to 5.5 v dd -1.5 v oh (7) i oh =-1.6ma 3.0 to 5.5 v dd -0.4 v oh (8) i oh =-1ma 2.2 to 5.5 v dd -0.4 low level output voltage v ol (1) ports 0, 1, 2, 3 ports b, c pwm2, pwm3 i ol =10ma 4.5 to 5.5 1.5 v ol (2) i ol =1.6ma 3.0 to 5.5 0.4 v ol (3) i ol =1ma 2.2 to 5.5 0.4 v ol (4) ports 7, 8 xt2, cf2 i ol =1.6ma 3.0 to 5.5 0.4 v ol (5) i ol =1ma 2.2 to 5.5 0.4 v ol (6) p00, p01 i ol =30ma 4.5 to 5.5 1.5 v ol (7) i ol =5ma 3.0 to 5.5 0.4 v ol (8) i ol =2.5ma 2.2 to 5.5 0.4 pull-up resistance rpu(1) ports 0, 1, 2, 3 ports 7, b, c v oh =0.9v dd 4.5 to 5.5 15 35 80 k rpu(2) 2.2 to 5.5 18 50 150 hysteresis voltage vhys res ports 1, 2, 7 2.2 to 5.5 0.1v dd v pin capacitance cp all pins for pins other than that under test: v in =v ss f=1mhz ta=25 c 2.2 to 5.5 10 pf
lc87f2932a no.a1210-20/29 serial input/output characteristics at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v 1. sio0 serial i/o characteristics (note 4-1-1) parameter symbol pin/remarks conditions specification v dd [v] min typ max unit serial clock input clock frequency tsck(1) sck0(p12) see fig. 6. 2.2 to 5.5 2 tcyc low level pulse width tsckl(1) 1 high level pulse width tsckh(1) 1 tsckha(1) ? continuous data transmission/reception mode ? see fig. 6. ? (note 4-1-2) 4 output clock frequency tsck(2) sck0(p12) ? cmos output selected ? see fig. 6. 2.2 to 5.5 4/3 low level pulse width tsckl(2) 1/2 tsck high level pulse width tsckh(2) 1/2 tsckha(2) ? continuous data transmission/reception mode ? cmos output selected ? see fig. 6. tsckh(2) +2tcyc tsckh(2) +(10/3) tcyc tcyc serial input data setup time tsdi(1) sb0(p11), si0(p11) ? must be specified with respect to rising edge of sioclk. ? see fig. 6. 2.2 to 5.5 0.03 s data hold time thdi(1) 2.2 to 5.5 0.03 serial output input clock output delay time tdd0(1) so0(p10), sb0(p11) ? continuous data transmission/reception mode ? (note 4-1-3) 2.2 to 5.5 (1/3)tcyc +0.05 tdd0(2) ? synchronous 8-bit mode ? (note 4-1-3) 2.2 to 5.5 1tcyc +0.05 output clock tdd0(3) (note 4-1-3) 2.2 to 5.5 (1/3)tcyc +0.15 note 4-1-1: these specifications are theoretical values. add margin depending on its use. note 4-1-2: to use serial-clock-input in continuous trans/rec mode, a time from si0run being set when serial clock is "h" to the first negative edge of the serial clock must be longer than tsckha. note 4-1-3: must be specified with respect to falling edge of sioclk. must be specified as the time to the beginning of output state change in open drain output mode. see fig. 6.
lc87f2932a no.a1210-21/29 2. sio1 serial i/o characteristics (note 4-2-1) parameter symbol pin/remarks conditions specification v dd [v] min typ max unit serial clock input clock frequency tsck(3) sck1(p15) see fig. 6. 2.2 to 5.5 2 tcyc low level pulse width tsckl(3) 1 high level pulse width tsckh(3) 1 output clock frequency tsck(4) sck1(p15) ? cmos output selected ? see fig. 6. 2.2 to 5.5 2 low level pulse width tsckl(4) 1/2 tsck high level pulse width tsckh(4) 1/2 serial input data setup time tsdi(2) sb1(p14), si1(p14) ? must be specified with respect to rising edge of sioclk. ? see fig. 6. 2.2 to 5.5 0.03 s data hold time thdi(2) 2.2 to 5.5 0.03 serial output output delay time tdd0(4) so1(p13), sb1(p14) ? must be specified with respect to falling edge of sioclk. ? must be specified as the time to the beginning of output state change in open drain output mode. ? see fig. 6. 2.2 to 5.5 (1/3)tcyc +0.05 note 4-2-1: these specifications are theoretical values. add margin depending on its use.
lc87f2932a no.a1210-22/29 pulse input conditions at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit high/low level pulse width tpih(1) tpil(1) int0(p70), int1(p71), int2(p72), int3(p73) when noise filter not used, int4(p20 to p23), int5(p24 to p27), int6(p26), int7(p27) ? interrupt source flag can be set. ? event inputs for timer 0 or 1 are enabled. 2.2 to 5.5 1 tcyc tpih(2) tpil(2) int3(p73) when noise filter time constant is 1/1 ? interrupt source flag can be set. ? event inputs for timer 0 are enabled. 2.2 to 5.5 2 tpih(3) tpil(3) int3(p73) when noise filter time constant is 1/32 ? interrupt source flag can be set. ? event inputs for timer 0 are enabled. 2.2 to 5.5 64 tpih(4) tpil(4) int3(p73) when noise filter time constant is 1/128 ? interrupt source flag can be set. ? event inputs for timer 0 are enabled. 2.2 to 5.5 256 tpil(5) res resetting is enabled. 2.2 to 5.5 200 s ad converter characteristics at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit resolution n an0(p80) to an6(p86), an8(pc0), an9(pc1), an10(pc2), an11(pc3), an12(cf1), an13(cf2) 3.0 to 5.5 8 bit absolute accuracy et (note 6-1) 3.0 to 5.5 1.5 lsb conversion time tcad ad conversion time=32 tcyc (when adcr2=0) (note 6-2) 4.5 to 5.5 15.68 (tcyc= 0.49s) 97.92 (tcyc= 3.06s) s 3.0 to 5.5 21.8 (tcyc= 0.681s) 97.92 (tcyc= 3.06s) ad conversion time=64 tcyc (when adcr2=1) (note 6-2) 4.5 to 5.5 18.82 (tcyc= 0.294s) 97.92 (tcyc= 1.53s) 3.0 to 5.5 43.6 (tcyc= 0.681s) 97.92 (tcyc= 1.53s) analog input voltage range vain 3.0 to 5.5 v ss v dd v analog port input current iainh vain=v dd 3.0 to 5.5 1 a iainl vain=v ss 3.0 to 5.5 -1 note 6-1: the quantization erro r (1/2lsb) is excluded from the absolute accuracy value. note 6-2: the conversion time refers to the interval from th e time the instruction for starting the converter is issued to the time the complete digital value corresponding to the analog input value is loaded in the required register.
lc87f2932a no.a1210-23/29 consumption current characteristics at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/ remarks conditions specification v dd [v] min typ max unit normal mode consumption current (note 7-1) iddop(1) v dd 1 =v dd 2 =v dd 3 ? fmcf=12mhz ceramic oscillation mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 12mhz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/1 frequency division ratio 4.5 to 5.5 8.38 20.9 ma iddop(2) 3.0 to 3.6 4.85 11.9 iddop(3) ? fmcf=8mhz ceramic oscillation mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 8mhz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/1 frequency division ratio 4.5 to 5.5 6.36 15.7 iddop(4) 3.0 to 3.6 3.64 9.1 iddop(5) 2.5 to 3.0 2.42 7.1 iddop(6) ? fmcf=4mhz ceramic oscillation mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 4mhz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/2 frequency division ratio 4.5 to 5.5 2.42 6 iddop(7) 3.0 to 3.6 1.31 3.3 iddop(8) 2.2 to 3.0 0.87 2.5 iddop(9) ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to internal rc oscillation ? frequency variable rc oscillation stopped. ? 1/2 frequency division ratio 4.5 to 5.5 0.76 3.1 iddop(10) 3.0 to 3.6 0.4 1.7 iddop(11) 2.2 to 3.0 0.28 1.35 iddop(12) ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? internal rc oscillation stopped. ? system clock set to 10mhz with frequency variable rc oscillation ? 1/1 frequency division ratio 4.5 to 5.5 8.08 20 iddop(13) 3.0 to 3.6 4.75 12 iddop(14) ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? internal rc oscillation stopped. ? system clock set to 4mhz with frequency variable rc oscillation ? 1/1 frequency division ratio 4.5 to 5.5 4.55 11.5 iddop(15) 3.0 to 3.6 2.63 6.6 iddop(16) 2.2 to 3.0 1.72 5 iddop(17) ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 32.768khz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/2 frequency division ratio 4.5 to 5.5 35.4 115 a iddop(18) 3.0 to 3.6 18.2 65 iddop(19) 2.2 to 3.0 12.1 46 note 7-1: the consumption current value includes none of the cu rrents that flow into the output tr and internal pull-up resistors. continued on next page.
lc87f2932a no.a1210-24/29 continued from preceding page. parameter symbol pin/ remarks conditions specification v dd [v] min typ max unit halt mode consumption current (note 7-1) iddhalt(1) v dd 1 =v dd 2 =v dd 3 ? halt mode ? fmcf=12mhz ceramic oscillation mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 12mhz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/1 frequency division ratio 4.5 to 5.5 3.71 8.2 ma iddhalt(2) 3.0 to 3.6 2.06 4.6 iddhalt(3) ? halt mode ? fmcf=8mhz ceramic oscillation mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 8mhz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/1 frequency division ratio 4.5 to 5.5 2.68 5.9 iddhalt(4) 3.0 to 3.6 1.44 3.3 iddhalt(5) 2.5 to 3.0 1.03 2.5 iddhalt(6) ? halt mode ? fmcf=4mhz ceramic oscillation mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 4mhz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/2 frequency division ratio 4.5 to 5.5 1.18 2.65 iddhalt(7) 3.0 to 3.6 0.62 1.5 iddhalt(8) 2.2 to 3.0 0.41 1.1 iddhalt(9) ? halt mode ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to internal rc oscillation ? frequency variable rc oscillation stopped. ? 1/2 frequency division ratio 4.5 to 5.5 0.38 1.3 iddhalt(10) 3.0 to 3.6 0.21 0.75 iddhalt(11) 2.2 to 3.0 0.13 0.54 iddhalt(12) ? halt mode ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? internal rc oscillation stopped. ? system clock set to 10mhz with frequency variable rc oscillation ? 1/1 frequency division ratio 4.5 to 5.5 3.71 8.2 iddhalt(13) 3.0 to 3.6 2.06 4.6 iddhalt(14) ? halt mode ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? internal rc oscillation stopped. ? system clock set to 4mhz with frequency variable rc oscillation ? 1/1 frequency division ratio 4.5 to 5.5 1.75 4 iddhalt(15) 3.0 to 3.6 1.03 2.5 iddhalt(16) 2.2 to 3.0 0.72 1.8 iddhalt(17) ? halt mode ? fmcf=0hz (oscillation stopped) ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 32.768khz side ? internal rc oscillation stopped. ? frequency variable rc oscillation stopped. ? 1/2 frequency division ratio 4.5 to 5.5 19.1 68 a iddhalt(18) 3.0 to 3.6 10.3 38 iddhalt(19) 2.2 to 3.0 6.7 26 hold mode consumption current iddhold(1) v dd 1 ? hold mode ? cf1=v dd or open (external clock mode) 4.5 to 5.5 0.1 20 iddhold(2) 3.0 to 3.6 0.06 12 iddhold(3) 2.2 to 3.0 0.04 8 timer hold mode consumption current iddhold(4) ? timer hold mode ? cf1=v dd or open (external clock mode) ? fsx?tal=32.768khz crystal oscillation mode 4.5 to 5.5 16.5 58 iddhold(5) 3.0 to 3.6 8.8 32 iddhold(6) 2.2 to 3.0 5.2 20 note 7-1: the consumption current value includes none of the cu rrents that flow into the output tr and internal pull-up resistors.
lc87f2932a no.a1210-25/29 f-rom programming characteristics at ta = -10c to +55c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit onboard programming current iddfw(1) v dd 1 ? without cpu current 3.0 to 5.5 5 10 ma programming time tfw(1) ? erasing 3.0 to 5.5 20 30 ms tfw(2) ? programming 40 60 s uart (full duplex) operating conditions at ta = -40c to +85c, v ss 1 = v ss 2 = v ss 3 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit transfer rate ubr utx(p20), urx(p21) 2.2 to 5.5 16/3 8192/3 tcyc data length: 7, 8, and 9 bits (lsb first) stop bits: 1 bit (2-bit in continuous data transmission) parity bits: none example of continuous 8-bit data transmission mode processing (first transmit data=55h) example of continuous 8-bit da ta reception mode processing (first receive data=55h) transmit data (lsb first) start of transmission end of transmission ubr start bit stop bit stop bit end of reception ubr receive data (lsb first) start of reception start bit
lc87f2932a no.a1210-26/29 characteristics of a sample main system clock oscillation circuit given below are the characteristics of a sample main system clock oscillation circuit that are measured using a our designated oscillation characteristics evaluation board and exte rnal components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. table 1 characteristics of a sample main system clock oscillator circuit with a ceramic oscillator nominal frequency vendor name oscillator name circuit constant operating voltage range [v] oscillation stabilization time remarks c1 [pf] c2 [pf] rf1 [ ] rd1 [ ] typ [ms] max [ms] 12mhz murata cstce12m0g52-r0 (10) (10) open 680 3.0 to 5.5 0.05 0.15 internal c1, c2 8mhz murata cstce8m00g52-r0 (10) (10) open 1k 2.5 to 5.5 0.13 0.4 internal c1, c2 cstls8m00g53-b0 (15) (15) open 1k 2.5 to 5.5 0.12 0.4 4mhz murata cstcr4m00g53-r0 (15) (15) o pen 2.2k 2.2 to 5.5 0.07 0.2 internal c1, c2 cstls4m00g53-b0 (15) (15) open 2.2k 2.2 to 5.5 0.05 0.15 the oscillation stabilization time refers to the time interval th at is required for the oscillation to get stabilized after v dd goes above the operating voltage lower limit (see figure 4). characteristics of a sample subs ystem clock oscillator circuit given below are the characteristics of a sample subsystem clock oscillation circuit that are measured using a our designated oscillation characteristics evaluation board and exte rnal components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. table 2 characteristics of a sample subsystem cl ock oscillator circuit with a crystal oscillator nominal frequency vendor name oscillator name circuit constant operating voltage range [v] oscillation stabilization time remarks c3 [pf] c4 [pf] rf2 [ ] rd2 [ ] typ [s] max [s] 32.768khz epson toyocom mc-306 18 18 open 560k 2.2 to.5.5 1.3 3.0 applicable cl value= 12.5pf the oscillation stabilization time refers to the time interval th at is required for the oscillation to get stabilized after the instruction for starting the subclock oscillation circuit is ex ecuted and to the time interval that is required for the oscillation to get stabilized after the hold mode is reset (see figure 4). note: the components that are involved in oscillation should be placed as close to the ic and to one another as possible because they are vulnerable to the influences of the circuit pattern. figure 1 cf oscillator circuit figure 2 xt oscillator circuit figure 3 ac timing measurement point 0.5v dd cf2 cf1 c3 rd2 c4 x?tal xt2 xt1 rf2 c1 rd1 c2 cf rf1
lc87f2932a no.a1210-27/29 reset time and oscillation stabilization time hold reset signal and oscillation stabilization time figure 4 oscillation stabilization times operating v dd lower limit power supply res internal rc oscillation cf1, cf2 xt1, xt2 operating mode reset time tmscf tmsx?tal unpredictable reset instruction execution v dd 0v internal rc oscillation cf1, cf2 xt1, xt2 state hold reset signal hold reset signal valid tmscf tmsx?tal hold halt hold reset signal absent
lc87f2932a no.a1210-28/29 figure 5 reset circuit figure 6 serial i/o waveforms figure 7 pulse input timing signal waveform c res v dd r res res note: determine the value of c res and r res so that the reset signal is present for a period of 200 s after the supply voltage goes beyond the lower limit of the ic?s operating voltage. tpil tpih di0 di7 di2 di3 di4 di5 di6 di8 do0 do7 do2 do3 do4 do5 do6 do8 di1 do1 sioclk: datain: dataout: dataout: datain: sioclk: dataout: datain: sioclk: tsck tsckl tsckh thdi tsdi tddo tsckl tsckha thdi tsdi tddo data ram transfer period (sio0 only) data ram transfer period (sio0 only)
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