R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 1 of 9 R8820 brief sheet 16-bit risc micro controller
R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 2 of 9 1. features l cpu core - rdc s proprietary risc architecture - five-stage pipeline - cpu clock speed up to 25 mhz - supports cpu id - supports 32 pio pins - static & synthesizable design l bus interface - a multiplexed address and data bus which is compatible with the 80c186 microprocessor - supports a non-multiplexed address bus a[19:0] l rom/ram controller and addressing space - 1m-byte memory address space - 64k-byte i/o space l psram interface - psram (pseudo static ram) interface with auto-refresh control l two independent dma channels - supports serial ports with dma transfers l asynchronous serial channels - supports two asynchronous serial channels with hardware handshaking signals l interrupt controller - the interrupt controller with seven maskable external interrupts and one non-maskable external interrupt l programmable chip-select logic - programmable chip-select logic for memory or i/o bus cycle decoder l programmable wait-state generators l counter/timers - three independent 16-bit timers and one independent watchdog timer l software is compatible with the 80c186 microprocessor l operating voltage range - core voltage: 5v 5% - i/o voltage: 5v 10% l operating temperature: -40 ~ +85 c l package type - 100-pin pqfp - 100-pin lqfp l a green product
R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 3 of 9 2. block diagram dma unit psram control unit chip select unit refresh control unit bus interface unit pio unit timer control unit interrupt control unit clock and power management asynchro- nous serial port0 instruction queue (64bits) instruction decoder register file general, segment, eflag register alu (special, logic, adder, bsf) micro rom ea / la address control signal execution unit x1 x2 clkouta clkoutb int6~4 int0 tmrin0 tmrout0 tmrin1 tmrout1 drq0 drq1 txd0 rxd0 a[19:0] ad[15:0] ale rd_n vcc gnd lcs_n/once0_n mcs3_n/rfsh_n ucs_n/once1_n pcs5_n/a1 pcs6_n/a2 ardy srdy s2_n~s0_n dt/r_n den_n hold hlda s6/clkdiv2_n uzi_n wr_n bhe_n/aden_n wlb_n whb_n asynchro- nous serial port1 rts0_n/rtr0_n cts0_n/enrx0_n txd1 rxd1 rts1_n/rtr1_n cts1_n/enrx1_n int1/select_n int3/inta1_n/irq int2/inta0_n nmi rst_n mcs[2:0] pcs3_n~pcs0_n pio[31:0]
R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 4 of 9 3. pin placement 3.1 pqfp 100 pins 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 9 0 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 1 0 0 R8820 rxd0/pio23 txd0/pio22 ale ardy gnd x1 x2 vcc clkouta clkoutb gnd a19/pio9 a18/pio8 vcc a17/pio7 a16 a15 a14 a13 a12 a11 a10 a9 a 8 a 7 a 6 a 5 a 4 a 3 a 2 a 1 v c c a 0 g n d w h b _ n w l b _ n h l d a h o l d s r d y / p i o 6 n m i int4/pio30 int0 vcc gnd vcc gnd tmrin1/pio0 tmrout1/pio1 tmrout0/pio10 tmrin0/pio11 drq1/int6/pio13 drq0/int5/pio12 ad0 ad8 ad1 a d 9 a d 2 a d 1 0 a d 3 a d 1 1 a d 4 a d 1 2 a d 5 g n d a d 1 3 a d 6 v c c a d 1 4 a d 7 a d 1 5 t x d 1 / p i o 2 7 r x d 1 / p i o 2 8 int3/inta1_n/irq ucs_n/once1_n lcs_n/once0_n s 6 / c l k d i v 2 _ n / p i o 2 9 d t / r _ n / p i o 4 d e n _ n / p i o 5 m c s 0 _ n / p i o 1 4 mcs1_n/pio15 int2/inta0_n/pio31 pcs6_n/a2/pio2 pcs5_n/a1/pio3 pcs1_n/pio17 pcs0_n/pio16 mcs2_n/pio24 mcs3_n/rfsh_n/pio25 rst_n u z i _ n / p i o 2 6 bhe_n/aden_n wr_n rd_n s2_n s1_n s0_n int1/select_n pcs2_n/cts1_n/enrx1_n/pio18 pcs3_n/rts1_n/rtr1_n/pio19 rts0_n/rtr0_n/pio20 c t s 0 _ n / e n r x 0 _ n / p i o 2 1
R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 5 of 9 3.2 lqfp 100 pins R8820 ad0 ad8 ad1 ad9 ad2 ad10 ad3 ad11 ad4 ad12 ad5 gnd ad13 ad6 vcc ad14 ad7 ad15 s6/clkdiv2_n/pio29 uzi_n/pio26 txd1/pio27 rxd1/pio28 rxd0/pio23 txd0/pio22 b h e _ n / a d e n _ n w r _ n r d _ n a l e a r d y s 2 _ n s 1 _ n s 0 _ n g n d x 1 x 2 v c c c l k o u t a c l k o u t b g n d a 1 9 / p i o 9 a 1 8 / p i o 8 v c c a 1 7 / p i o 7 a 1 6 a 1 5 a 1 4 a 1 3 a 1 2 a11 a9 a10 a8 a7 a6 a4 a5 a3 a2 vcc a0 a1 gnd hold hlda srdy/pio6 nmi int4/pio30 i n t 0 v c c g n d v c c g n d t m r i n 1 / p i o 0 t m r o u t 0 / p i o 1 0 t m r i n 0 / p i o 1 1 t m r o u t 1 / p i o 1 d r q 1 / i n t 6 / p i o 1 3 d r q 0 / i n t 5 / p i o 1 2 dt/r_n/pio4 i n t 3 / i n t a 1 _ n / i r q i n t 2 / i n t a 0 _ n / p i o 3 1 i n t 1 / s e l e c t _ n u c s _ n / o n c e 1 _ n l c s _ n / o n c e 0 _ n p c s 6 _ n / a 2 / p i o 2 p c s 5 _ n / a 1 / p i o 3 p c s 1 _ n / p i o 1 7 p c s 0 _ n / p i o 1 6 r s t _ n 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 55 54 53 52 51 60 59 58 57 56 65 64 63 62 61 70 69 68 67 66 75 74 73 72 71 7 6 7 7 7 8 8 0 7 9 8 1 8 2 8 3 8 5 8 4 8 6 8 7 8 8 9 0 8 9 9 1 9 2 9 3 9 5 9 4 9 6 9 7 9 8 1 0 0 9 9 den_n/pio5 m c s 3 _ n / r f s h _ n / p i o 2 5 mcs0_n/pio14 mcs1_n/pio15 m c s 2 _ n / p i o 2 4 cts0_n/enrx0_n/pio21 r t s 0 _ n / r t r 0 _ n / p i o 2 0 whb_n wlb_n p c s 3 _ n / r t s 1 _ n / r t r 1 _ n / p i o 1 9 p c s 2 _ n / c t s 1 _ n / e n r x 1 _ n / p i o 1 8
R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 6 of 9 4. package information 4.1 pqfp 100 pins 0.10 c seating plane 0.25 min a1 "a" d1 20.00 0.10 d 23.20 0.20 e1 14.00 0.10 e 17.20 0.20 "a" 0.65 bsc 0.25~0.38 unit:mm 1.60 ref 0.25 0.88 0.15 l l1 a2 2.85 0.12 detail a 3.40 max. 7 typ 15 typ detail a
R8820 rdc ? risc dsp communication 16-bit risc microcontroller specifications subject to change without notice, contact your sales representatives for the most update information. rev 1.0 may. 31 2007 page 7 of 9 4.2 lqfp 100 pins sealing plane 1 25 26 50 51 75 76 100 0.127(typ) "a" 0.08(max) 0.50(typ) 1.60(max) 1.00(ref) 0.2s(typ) gauge plane 16.00 0.15 14.00 0.10 16.00 0.15 14.00 0.10 1.40 0.05 0.10 0.05 0.22 0.05 0.60 0.15 0 ~ 7 unit:mm
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