RDC ® R8820I RISC DSP Communication 16-Bit RISC Microcontroller R8820I Brief Sheet 16-BIT RISC MICRO CONTROLLER Specifications subject to change without notice, contact your sales representatives for the most update information. Page 1 of 9 REV 1.0 May. 31 2007 RDC ® R8820I RISC DSP Communication 16-Bit RISC Microcontroller 1. Features l - The interrupt controller with seven maskable CPU Core - RDC’s proprietary RISC architecture external interrupts and one non-maskable - Five-stage pipeline external interrupt - CPU clock speed up to 25 MHz l - Supports CPU ID - Programmable chip-select logic for memory or - Supports 32 PIO pins I/O bus cycle decoder - Static & synthesizable design l Bus Interface - A multiplexed address and data bus which is l Programmable Wait-state Generators l Counter/Timers compatible with the 80C186 microprocessor - Three independent 16-bit timers and one independent watchdog timer - Supports a non-multiplexed address bus A[19:0] l ROM/RAM Controller and Addressing Space l - 1M-byte memory address space l - I/O voltage: 5V ± 10% auto-refresh control Two Independent DMA Channels - Supports serial ports with DMA transfers l l Operating Temperature: -40 ~ +85°C l Package Type - 100-pin PQFP - 100-pin LQFP Asynchronous Serial Channels - Supports two asynchronous serial channels with l hardware handshaking signals l Operating Voltage Range - Core voltage: 5V ± 5% PSRAM Interface - PSRAM (Pseudo static RAM) interface with l Software is compatible with the 80C186 microprocessor - 64K-byte I/O space l Programmable Chip-select Logic A Green Product Interrupt Controller Specifications subject to change without notice, contact your sales representatives for the most update information. Page 2 of 9 REV 1.0 May. 31 2007 RDC ® R8820I RISC DSP Communication 16-Bit RISC Microcontroller 2. Block Diagram INT2/INTA0_n INT1/SELECT_n CLKOUTA INT3/INTA1_n/IRQ CLKOUTB INT6~4 X1 VCC GND X2 Clock and Power Management TMROUT0 TMROUT1 TMRIN0 TMRIN1 INT0 NMI Interrupt Control Unit Timer Control Unit DRQ0 DRQ1 DMA Unit RST_n LCS_n/ONCE0_n MCS3_n/RFSH_n Chip Select Unit MCS[2:0] Instruction Queue (64bits) UCS_n/ONCE1_n PSRAM Control Unit PCS3_n~PCS0_n PCS5_n/A1 PCS6_n/A2 Refresh Control Unit ARDY SRDY S2_n~S0_n DT/R_n DEN_n Instruction Decoder Micro ROM PIO Unit PIO[31:0] Control Signal Register File General, Segment, Eflag Register EA / LA Address RTS0_n/RTR0_n Asynchronous Serial Port0 CTS0_n/ENRX0_n TXD0 RXD0 RTS1_n/RTR1_n Bus Interface Unit HOLD HLDA S6/CLKDIV2_n UZI_n A[19:0] AD[15:0] ALE ALU Execution Unit (Special, Logic, Adder, BSF) Asynchronous Serial Port1 CTS1_n/ENRX1_n TXD1 RXD1 RD_n WHB_n WLB_n WR_n BHE_n/ADEN_n Specifications subject to change without notice, contact your sales representatives for the most update information. Page 3 of 9 REV 1.0 May. 31 2007 RDC ® R8820I RISC DSP Communication 16-Bit RISC Microcontroller 3. PIN Placement AD10 AD2 AD9 82 81 84 83 AD11 AD3 85 AD12 AD4 86 AD5 88 87 AD13 GND 91 89 AD6 92 90 AD14 VCC 93 AD15 AD7 96 94 S6/CLKDIV2_n/PIO29 98 95 TXD1/PIO27 UZI_n/PIO26 99 97 CTS0_n/ENRX0_n/PIO21 RXD1/PIO28 100 PQFP 100 pins RXD0/PIO23 1 80 AD1 TXD0/PIO22 2 79 AD8 3 78 AD0 4 77 DRQ0/INT5/PIO12 WR_n 5 76 DRQ1/INT6/PIO13 RD_n 6 75 TMRIN0/PIO11 ALE 7 74 TMROUT0/PIO10 ARDY 8 73 TMROUT1/PIO1 S2_n 9 72 TMRIN1/PIO0 S1_n 10 71 RST_n S0_n 11 70 GND GND 12 69 MCS3_n/RFSH_n/PIO25 X1 13 68 MCS2_n/PIO24 67 VCC 66 PCS0_n/PIO16 RTS0_n/RTR0_n/PIO20 BHE_n/ADEN_n X2 14 VCC 15 CLKOUTA 16 65 PCS1_n/PIO17 CLKOUTB 17 64 GND R8820I 48 49 50 MCS0_n/PIO14 MCS1_n/PIO15 DEN_n/PIO5 51 DT/R_n/PIO4 30 46 A9 47 INT4/PIO30 NMI INT3/INTA1_n/IRQ 52 SRDY/PIO6 53 29 45 28 A10 HOLD A11 44 INT2/INTA0_n/PIO31 43 INT1/SELECT_n 54 HLDA 55 27 WLB_n 26 A12 42 A13 WHB_n INT0 41 56 40 25 A0 UCS_n/ONCE1_n A14 GND LCS_n/ONCE0_n 57 39 58 24 38 23 A15 A1 A16 VCC PCS6_n/A2/PIO2 37 59 A2 22 36 PCS5_n/A1/PIO3 A17/PIO7 35 60 A3 21 A4 VCC VCC 34 61 33 20 A5 PCS3_n/RTS1_n/RTR1_n/PIO19 A18/PIO8 A6 PCS2_n/CTS1_n/ENRX1_n/PIO18 62 31 63 19 32 18 A7 GND A19/PIO9 A8 3.1 Specifications subject to change without notice, contact your sales representatives for the most update information. Page 4 of 9 REV 1.0 May. 31 2007 RDC ® 16-Bit RISC Microcontroller INT1/SELECT_n INT2/INTA0_n/PIO31 INT3/INTA1_n/IRQ 78 77 76 UCS_n/ONCE1_n INT0 79 LCS_n/ONCE0_n 81 80 PCS5_n/A1/PIO3 PCS6_n/A2/PIO2 VCC 84 82 PCS3_n/RTS1_n/RTR1_n/PIO19 85 83 GND PCS2_n/CTS1_n/ENRX1_n/PIO18 86 PCS1_n/PIO17 MCS3_n/RFSH_n/PIO25 87 GND 92 PCS0_n/PIO16 RST_n 93 88 TMRIN1/PIO0 94 89 TMROUT1/PIO1 95 MCS2_n/PIO24 TMROUT0/PIO10 96 VCC TMRIN0/PIO11 97 90 DRQ1/INT6/PIO13 98 91 DRQ0/INT5/PIO12 99 LQFP 100 pins 100 3.2 R8820I RISC DSP Communication AD0 1 75 AD8 2 74 AD1 3 73 MCS0_n/PIO14 AD9 4 72 DEN_n/PIO5 INT4/PIO30 MCS1_n/PIO15 AD2 5 71 DT/R_n/PIO4 AD10 6 70 NMI AD3 7 69 SRDY/PIO6 AD11 8 68 HOLD AD4 9 67 HLDA AD12 10 66 WLB_n AD5 11 65 WHB_n GND 12 64 GND AD13 13 63 A0 AD6 14 62 A1 VCC 15 61 VCC AD14 16 60 A2 AD7 17 59 A3 AD15 18 58 A4 S6/CLKDIV2_n/PIO29 19 57 A5 UZI_n/PIO26 20 56 A6 TXD1/PIO27 21 55 A7 RXD1/PIO28 22 54 A8 CTS0_n/ENRX0_n/PIO21 23 53 A9 RXD0/PIO23 24 52 A10 TXD0/PIO22 25 51 A11 41 42 43 44 45 46 47 48 49 50 A18/PIO8 VCC A17/PIO7 A16 A15 A14 A13 A12 36 X1 GND 35 GND A19/PIO9 34 S0_n 40 33 S1_n CLKOUTB 32 S2_n 39 31 ARDY CLKOUTA 30 ALE 38 29 RD_n 37 28 WR_n X2 27 BHE_n/ADEN_n VCC 26 RTS0_n/RTR0_n/PIO20 R8820I Specifications subject to change without notice, contact your sales representatives for the most update information. Page 5 of 9 REV 1.0 May. 31 2007 RDC ® R8820I RISC DSP Communication 16-Bit RISC Microcontroller 4. Package Information 4.1 PQFP 100 pins D 23.20 0.20 D1 20.00 0.10 0.20 E 17.20 0.10 E1 14.00 "A" "A" 0.65 BSC 0.10 0.25 MIN A1 SEATING PLANE c 0.25~0.38 7 TYP 15 TYP 1.60 REF L1 A2 2.85 0.12 DETAIL A 3.40 Max. L 0.88 0.15 0.25 DETAIL A UNIT:mm Specifications subject to change without notice, contact your sales representatives for the most update information. Page 6 of 9 REV 1.0 May. 31 2007 RDC ® R8820I RISC DSP Communication 16-Bit RISC Microcontroller 4.2 LQFP 100 pins 16.00 0.15 14.00 0.10 25 51 50 0.127(TYP) 26 0.15 75 16.00 1 0.10 76 14.00 100 0.50(TYP) 0.22 0.05 "A" 0 ~ 7 0.10 0.60 0.2S(TYP) GAUGE PLANE 1.40 0.05 0.08(MAX) 0.05 1.60(MAX) Sealing Plane 0.15 1.00(REF) UNIT:mm Specifications subject to change without notice, contact your sales representatives for the most update information. Page 7 of 9 REV 1.0 May. 31 2007