? 2008 microchip technology inc. advance information ds41366a-page 1 high-performance risc cpu: ? only 49 instructions to learn ? operating speed: - dc ? 32 mhz clock input - dc ? 125 ns instruction cycle ? interrupt capability with automatic context saving ? 16-level deep hardware stack with optional overflow/underflow reset ? direct, indirect and relative addressing modes: - two full 16-bit file select registers (fsrs) - fsrs can read program and data memory special microcontroller features: ? precision internal oscillator: - factory calibrated to 1%, typical - software selectable frequency range from 32 mhz to 31 khz ? 31 khz low-power internal oscillator ? external oscillator block with: - 4 crystal/resonator modes up to 32 mhz - 3 external clock modes up to 32 mhz ? 4x phase locked loop (pll) ? fail-safe clock monitor ? two-speed start-up ? power-saving sleep mode ? power-on reset (por) ? power-up timer (pwrt) ? oscillator start-up timer (ost) ? brown-out reset (bor) with selectable trip point ? extended watch-dog timer (wdt) ? in-circuit serial programming? (icsp?) via two pins ? in-circuit debug (icd) via two pins ? enhanced low-voltage programming (lvp) ? operating voltage range: - 1.8v to 3.6v (pic16lf194x) - 1.8v to 5.5v (pic16f194x) ? programmable code protection ? self-programmable under software control low-power features: ? standby current (pic16lf194x): - 100 na @ 1.8v, typical ? operating current (pic16lf194x): -150 a @ 1 mhz, 1.8v, typical ? low-power watchdog timer current (pic16lf194x): -1.0 a @ 1.8v, typical peripheral features: ? integrated lcd controller: - up to 184 segments - variable clock input - contrast control - internal voltage reference selections ? up to 53 i/o pins and 1 input-only pin: - high current sink/source for led drivers - individually programmable interrupt-on- change pins - individually programmable weak pull-ups ? timer0: 8-bit timer/counter with 8-bit programmable prescaler ? enhanced timer1: - 16-bit timer/counter with prescaler - external gate input mode - dedicated low-power 32 khz oscillator driver ? timer2, 4, 6: 8-bit timer/counter with 8-bit period register, prescaler and postscaler ? two capture/compare/pwm modules (ccp): - software selectable time bases ? three enhanced capture, compare, pwm modules (eccp): - software selectable time bases - auto-shutdown and auto-restart - pwm steering ? two master synchronous serial ports (mssp) with spi and i 2 c tm with: - 7-bit address masking - smbus/pmbus tm compatibility ? two enhanced universal synchronous asynchro- nous receiver transmitters (eusart): - rs-232, rs-485 and lin compatible - auto-baud detect - auto-wake-up on start ? sr latch (integrated 555 timer): - multiple set/reset input options ? analog-to-digital converter (adc): - 10-bit resolution - up to 17 channels ? 3 comparators: - rail-to-rail inputs/outputs - power mode control - software controllable hysteresis ? voltage reference module: - fixed voltage reference (fvr) with 1.024v, 2.048v and 4.096v output levels - 5-bit rail-to-rail resistive dac with positive and negative reference selection ? mtouch? oscillator module - 17 channels for button, sensor, or slider input 64-pin 8-bit flash microcontroller product brief pic16f194x/16lf194x
pic16f194x/16lf194x ds41366a-page 2 advance information ? 2008 microchip technology inc. table 1: family types figure 1: 64-pin tqfp package diagram for pic16f1946/1947 device program memory flash (words) data eeprom (bytes) sram (bytes) i/os 10-bit a/d (ch) timers 8/16-bit eusart i 2 c? and spi ccp/ eccp lcd segments/ commons pic16f1946 8192 256 512 54 17 4/1 2 2 2/3 46/4 pic16lf1946 8192 256 512 54 17 4/1 2 2 2/3 46/4 pic16f1947 16384 256 1024 54 17 4/1 2 2 2/3 46/4 pic16lf1947 16384 256 1024 54 17 4/1 2 2 2/3 46/4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 38 37 36 35 34 33 50 49 17 18 19 20 21 22 23 24 25 26 re2/ p2b /vlcd3 re3/ p3c /COM0 re4/ p3b /com1 re5/ p1c /com2 re6/ p1b /com3 re7/ ccp2 / p2a /seg31 rd0/ p2d /seg0 v dd v ss rd1/ p2c /seg1 rd2/ p2b /seg2 rd3/ p3c /seg3 rd4/ p3b /seg4/sdo2 rd5/ p1c /seg5/sdi2/sda2 rd6/ p1b /seg6/sck2/scl2 rd7/seg7/ss2 vlcd2/ p2c /re1 vlcd1/ p2d /re0 seg42/p3a/ccp3/rg0 seg43/c3out/cps15/an15/tx2/ck2/rg1 seg44/c3in+/cps14/an14/rx2/dt2/rg2 seg45/p3d/ccp4/c3in0-/cps13/an13/rg3 v pp /mclr /rg5 seg26/p1d/ccp5/c3in1-/cps12/an12/rg4 v ss v ca (1) p seg25/ss1 /c123in3-/cps5/an5/rf7 seg24/c1in+/cps11/an11/rf6 seg23/dacout/c12in1-/cps10/an10/rf5 seg22/c2in+/cps9/an9/rf4 seg21/c123in2-/cps8/an8/rf3 seg20/srq/c1out/cps7/an7/rf2 rb0/int/sri/flt0/seg30 rb1/seg8 rb2/seg9 rb3/seg10 rb4/seg11 rb5/t1g/seg29 rb6/seg38/icspclk/icdclk v ss ra6/osc2/clkout/seg36 ra7/osc1/clkin/seg37 v dd rb7/seg39/icspdat/icdclk rc4/sdi1/sda1/seg16 rc3/sck1/scl1/seg17 rc2/ccp1/p1a/seg13 seg41/c12in0-/cps16/an16/rf0 seg19/srnq/c2out/cps6/an6/rf1 av dd av ss seg35/cps3/v ref +/an3/ra3 seg34/cps2/v ref -/an2/ra2 seg18/cps1/an1/ra1 seg33/cps0/an0/ra0 v ss v dd seg14/t0cki/ra4 seg15/cps4/an4/ra5 seg32/ ccp2 / p2a /t1osi/rc1 seg40/t1cki/t1oso/rc0 seg28/dt1/rx1/rc7 seg27/ck1/tx1/rc6 rc5/sdo1/seg12 15 16 31 40 39 27 28 29 30 32 48 47 46 45 44 43 42 41 54 53 52 51 58 57 56 55 60 59 64 63 62 61 tqfp legend: pin functions in bold can be redirected via software. pic16f194x/ pic16lf194x note 1: pic16f194x devices only.
? 2008 microchip technology inc. advance information ds41366a-page 3 pic16f194x/16lf194x table 2: 64-pin device allocat ion table (pic16f1946/1947) i/o 64-pin tqfp a/d cap sense comparator sr latch timers ccp eusart mssp lcd interrupt pull-up basic ra0 24 an0 cps0 ? ? ? ? ? ? seg33 ? ? ? ra1 23 an1 cps1 ? ? ? ? ? ? seg18 ? ? ? ra2 22 an2/ v ref - cps2 ? ? ? ? ? ? seg34 ? ? ? ra3 21 an3/ v ref + cps3 ? ? ? ? ? ? seg35 ? ? ? ra4 28 ? ? ? ? t0cki ? ? ? seg14 ? ? ? ra5 27 an4 cps4 ? ? ? ? ? ? seg15 ? ? ? ra6 40 ? ? ? ? ? ? ? ? seg36 ? ? osc2/ clkout ra7 39 ? ? ? ? ? ? ? ? seg37 ? ? osc1/ clkin rb0 48 ? ? ? sri ? flt0 ? ? seg30 int/ ioc y ? rb1 47 ? ? ? ? ? ? ? ? seg8 ioc y ? rb2 46 ? ? ? ? ? ? ? ? seg9 ioc y ? rb3 45 ? ? ? ? ? ? ? ? seg10 ioc y ? rb4 44 ? ? ? ? ? ? ? ? seg11 ioc y ? rb5 43 ? ? ? ? t1g ? ? ? seg29 ioc y ? rb6 42 ? ? ? ? ? ? ? ? seg38 ioc y icspclk/ icdclk rb7 37 ? ? ? ? ? ? ? ? seg39 ioc y icspdat/ icddat rc0 30 ? ? ? ? t1oso/ t1cki ? ? ? seg40 ? ? ? rc1 29 ? ? ? ? t1osi ccp2 (1) / p2a (1) ? ? seg32 ? ? ? rc2 33 ? ? ? ? ? ccp1 / p1a ? ? seg13 ? ? ? rc3 34 ? ? ? ? ? ? ? sck1/ scl1 seg17 ? ? ? rc4 35 ? ? ? ? ? ? ? sdi1/ sda1 seg16 ? ? ? rc5 36 ? ? ? ? ? ? ? sdo1 seg12 ? ? ? rc6 31 ? ? ? ? ? ? tx1/ck1 ? seg27 ? ? ? rc7 32 ? ? ? ? ? ? rx1/dt1 ? seg28 ? ? ? rd0 58 ? ? ? ? ? p2d (1) ? ? seg0 ? ? ? rd1 55 ? ? ? ? ? p2c (1) ? ? seg1 ? ? ? rd2 54 ? ? ? ? ? p2b (1) ? ? seg2 ? ? ? rd3 53 ? ? ? ? ? p3c (1) ? ? seg3 ? ? ? rd4 52 ? ? ? ? ? p3b (1) sdo2 seg4 ? ? ? rd5 51 ? ? ? ? ? p1c (1) sdi2/ sda2 seg5 ? ? ? rd6 50 ? ? ? ? ? p1b (1) sck2/ scl2 seg6 ? ? ? rd7 49 ? ? ? ? ? ? ss 2 seg7 ? ? ? re0 2 ? ? ? ? ? p2d (1) ? ? vlcd1 ? ? ? re1 1 ? ? ? ? ? p2c (1) ? ? vlcd2 ? ? ? re2 64 ? ? ? ? ? p2b (1) ? ? vlcd3 ? ? ? re3 63 ? ? ? ? ? p3c (1) ??COM0??? re4 62 ? ? ? ? ? p3b (1) ? ? com1 ? ? ? re5 61 ? ? ? ? ? p1c (1) ??com2??? re6 60 ? ? ? ? ? p1b (1) ? ? com3 ? ? ? re7 59 ? ? ? ? ? ccp2 (1) / p2a (1) ? ? seg31 ? ? ? note 1: pin functions in bold can be redirected via software. 2: weak pull-up always enabled when mclr is enabled, otherwise the pull-up is under user control.
pic16f194x/16lf194x ds41366a-page 4 advance information ? 2008 microchip technology inc. rf0 18 an16 cps16 c12in0- ? ? ? ? ? seg41 ? ? ? rf1 17 an6 cps6 c2out srnq ? ? ? ? seg19 ? ? ? rf2 16 an7 cps7 c1out srq ? ? ? ? seg20 ? ? ? rf3 15 an8 cps8 c123in2- ? ? ? ? ? seg21 ? ? ? rf4 14 an9 cps9 c2in+ ? ? ? ? ? seg22 ? ? ? rf5 13 an10 cps10 c12in1- dacout ? ? ? ? seg23 ? ? ? rf6 12 an11 cps11 c1in+ ? ? ? ? ? seg24 ? ? ? rf7 11 an5 cps5 c123in3- ? ? ? ? ss 1 seg25 ? ? ? rg0 3 ? ? ? ? ? ccp3 p3a ? ? seg42 ? ? ? rg1 4 an15 cps15 c3out ? ? ? tx2/ck2 seg43 ? ? ? rg2 5 an14 cps14 c3in+ ? ? ? rx2/dt2 seg44 ? ? ? rg3 6 an13 cps13 c3in0- ? ? ccp4 p3d ?? seg45 ?? ? rg4 8 an12 cps12 c3in1- ? ? ccp5 p1d ? ? seg26 ? ? ? rg5 7 ? ? ? ? ? ? ? ? ? ? y (2) mclr /v pp v dd 26, 38, 57 ? ? ? ? ? ? ? ? ? ? ? v dd v ss 9, 25, 41, 56 ?? ? ? ? ? ? ? ? ?? v ss av dd 19 ? ? ? ? ? ? ? ? ? ? ? av dd av ss 20 ? ? ? ? ? ? ? ? ? ? ? av ss v cap 10 ? ? ? ? ? ? ? ? ? ? ? v cap i/o 64-pin tqfp a/d cap sense comparator sr latch timers ccp eusart mssp lcd interrupt pull-up basic note 1: pin functions in bold can be redirected via software. 2: weak pull-up always enabled when mclr is enabled, otherwise the pull-up is under user control.
? 2008 microchip technology inc. advance information ds41366a-page 5 information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. microchip makes no representations or warranties of any kind whether express or implied, written or oral, statutory or otherwise, related to the information, including but not limited to its condition, quality, performance, merchantability or fitness for purpose . microchip disclaims all liability arising from this information and its use. use of microchip devices in life support and/or safety applications is entirely at the buyer?s risk, and the buyer agrees to defend, indemnify and hold harmless microchip from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, implicitly or otherwise, under any microchip intellectual property rights. trademarks the microchip name and logo, the microchip logo, accuron, dspic, k ee l oq , k ee l oq logo, mplab, pic, picmicro, picstart, rfpic, smartshunt and uni/o are registered trademarks of microchip tec hnology incorporated in the u.s.a. and other countries. filterlab, linear active thermistor, mxdev, mxlab, seeval, smartsensor and the embedded control solutions company are registered trademarks of microchip technology incorporated in the u.s.a. analog-for-the-digital age, appl ication maestro, codeguard, dspicdem, dspicdem.net, dspicworks, dsspeak, ecan, economonitor, fansense, in-circuit serial programming, icsp, icepic, mindi, miwi, mpasm, mplab certified logo, mplib, mplink, mtouch, pickit, picdem, picdem.net, pictail, pic 32 logo, powercal, powerinfo, powermate, powertool, real ice, rflab, select mode, total endurance, wiperlock and zena are trademarks of microchip technology incorporated in the u.s.a. and other countries. sqtp is a service mark of microchip technology incorporated in the u.s.a. all other trademarks mentioned herein are property of their respective companies. ? 2008, microchip technology incorporated, printed in the u.s.a., all rights reserved. printed on recycled paper. note the following details of the code protection feature on microchip devices: ? microchip products meet the specification cont ained in their particular microchip data sheet. ? microchip believes that its family of products is one of the most secure families of its kind on the market today, when used i n the intended manner and under normal conditions. ? there are dishonest and possibly illegal methods used to breach the code protection feature. all of these methods, to our knowledge, require using the microchip produc ts in a manner outside the operating specif ications contained in microchip?s data sheets. most likely, the person doing so is engaged in theft of intellectual property. ? microchip is willing to work with the customer who is concerned about the integrity of their code. ? neither microchip nor any other semiconduc tor manufacturer can guarantee the security of their code. code protection does not mean that we are guaranteeing the product as ?unbreakable.? code protection is constantly evolving. we at microchip are co mmitted to continuously improvin g the code protection features of our products. attempts to break microchip?s code protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that act. microchip received iso/ts-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in chandler and tempe, arizona; gresham, oregon and design centers in california and india. the company?s quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. in addition, microchip?s quality system for the design and manufacture of development systems is iso 9001:2000 certified.
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