R8820

R DC ® R8820 RISC DSP Communication 16-Bit RISC Microcontroller R8820 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 R DC ® 1. Features l CPU Core R8820 RISC DSP Communication 16-Bit RISC Microcontroller - 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 l Programmable Wait-state Generators 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 l Operating Temperature: -40 ~ +85°C Package Type - 100-pin PQFP - 100-pin LQFP l A Green Product - 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 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 R DC ® R8820 RISC DSP Communication 16-Bit RISC Microcontroller 2. Block Diagram INT2/INTA0_n INT1/SELECT_n CLKOUTA INT3/INTA1_n/IRQ CLKOUTB INT6~4 INT0 NMI TMROUT0 TMROUT1 TMRIN0 TMRIN1 DRQ0 DRQ1 X1 VCC GND X2 Clock and Power Management Interrupt Control Unit Timer Control Unit DMA Unit RST_n LCS_n/ONCE0_n MCS3_n/RFSH_n MCS[2:0] UCS_n/ONCE1_n PCS3_n~PCS0_n PCS5_n/A1 PCS6_n/A2 Chip Select Unit PSRAM Control Unit Instruction Queue (64bits) Instruction Decoder Control Signal Micro ROM PIO Unit PIO[31:0] ARDY SRDY S2_n~S0_n DT/R_n DEN_n Refresh Control Unit Register File General, Segment, Eflag Register EA / LA Address Asynchronous Serial Port0 RTS0_n/RTR0_n CTS0_n/ENRX0_n TXD0 RXD0 RTS1_n/RTR1_n HOLD HLDA S6/CLKDIV2_n UZI_n Bus Interface Unit ALU (Special, Logic, Adder, BSF) Execution Unit Asynchronous Serial Port1 CTS1_n/ENRX1_n TXD1 RXD1 A[19:0] AD[15:0] ALE 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 R DC ® 3.1 R8820 RISC DSP Communication 16-Bit RISC Microcontroller 3. PIN Placement PQFP 100 pins C TS 0_n /E N RX 0_n /P IO 21 S 6/ CL KD IV 2_ n/ PIO 29 TX D1 /P IO 27 UZ I_ n/ P IO 26 RX D1 /P IO 28 A D1 5 A D1 4 A D1 3 A D1 2 A D1 1 A D7 V CC A D6 G ND A D5 A D4 A D3 A D1 0 83 A D2 82 100 91 99 98 97 96 95 94 93 92 90 89 88 87 86 85 84 RXD0/PIO23 TXD0/PIO22 RTS0_n/RTR0_n/PIO20 BHE_n/ADEN_n WR_n RD_n ALE ARDY S2_n S1_n S0_n GND X1 X2 VCC CLKOUTA CLKOUTB GND A19/PIO9 A18/PIO8 VCC A17/PIO7 A16 A15 A14 A13 A12 A11 A10 A9 81 A D9 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 80 79 78 77 76 75 74 73 72 71 70 69 68 AD1 AD8 AD0 DRQ0/INT5/PIO12 DRQ1/INT6/PIO13 TMRIN0/PIO11 TMROUT0/PIO10 TMROUT1/PIO1 TMRIN1/PIO0 RST_n GND MCS3_n/RFSH_n/PIO25 MCS2_n/PIO24 VCC PCS0_n/PIO16 PCS1_n/PIO17 GND PCS2_n/CTS1_n/ENRX1_n/PIO18 PCS3_n/RTS1_n/RTR1_n/PIO19 R8820 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 VCC PCS5_n/A1/PIO3 PCS6_n/A2/PIO2 LCS_n/ONCE0_n UCS_n/ONCE1_n INT0 INT1/SELECT_n INT2/INTA0_n/PIO31 INT3/INTA1_n/IRQ INT4/PIO30 MCS1_n/PIO15 31 33 34 35 36 39 41 42 45 46 37 32 38 40 43 44 47 48 D T/ R_ n/P IO 4 A7 VC C A0 GN D S RD Y/ PI O6 49 Specifications subject to change without notice, contact your sales representatives for the most update information. Page 4 of 9 REV 1.0 M CS 0_ n/ PI O1 4 A8 A6 A5 A4 A3 A2 A1 D EN_ n/ PI O5 WL B_ n W HB_ n H LD A H OLD N MI 50 May. 31 2007 R DC ® 3.2 R8820 RISC DSP Communication 16-Bit RISC Microcontroller LQFP 100 pins PCS2_n/CTS1_n/ENRX1_n/PIO18 PCS3_n/RTS1_n/RTR1_n/PIO19 MCS3_n/RFSH_n/PIO25 INT2/INTA0_n/PIO31 77 DRQ0/INT5/PIO12 DRQ1/INT6/PIO13 TMROUT0/PIO10 TMRIN0/PIO11 TMROUT1/PIO1 PCS0_n/PIO16 PCS1_n/PIO17 TMRIN1/PIO0 RST_n 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 INT0 78 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 CTS0_n/ENRX0_n/PIO21 RXD0/PIO23 TXD0/PIO22 76 INT3/INTA1_n/IRQ PCS5_n/A1/PIO3 PCS6_n/A2/PIO2 LCS_n/ONCE0_n UCS_n/ONCE1_n GND VCC GND VCC INT1/SELECT_n MCS2_n/PIO24 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 75 74 73 72 71 70 69 68 67 66 65 INT4/PIO30 MCS1_n/PIO15 MCS0_n/PIO14 DEN_n/PIO5 DT/R_n/PIO4 NMI SRDY/PIO6 HOLD HLDA WLB_n WHB_n GND A0 A1 VCC A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 R8820 64 63 62 61 60 59 58 57 56 55 54 53 52 51 A19/PIO9 A18/PIO8 RTS0_n/RTR0_n/PIO20 A17/PIO7 ALE GND X1 X2 VCC GND VCC A16 A15 A14 A13 CLKOUTA Specifications subject to change without notice, contact your sales representatives for the most update information. Page 5 of 9 REV 1.0 BHE_n/ADEN_n CLKOUTB RD_n ARDY S1_n S2_n S0_n WR_n A12 May. 31 2007 R DC ® R8820 RISC DSP Communication 16-Bit RISC Microcontroller 4. Package Information 4.1 PQFP 100 pins D 23.20 0.20 0.10 D1 20.00 "A" 0.10 E1 14.00 SEATING PLANE "A" 0.65 BSC E 17.20 0.20 0.10 c 0.25~0.38 3.40 Max. DETAIL A 1.60 REF L1 A2 2.85 0.12 L 0.88 0.15 0.25 DETAIL A 15 TYP 7 TYP UNIT:mm Specifications subject to change without notice, contact your sales representatives for the most update information. Page 6 of 9 REV 1.0 0.25 MIN A1 May. 31 2007 R DC ® R8820 RISC DSP Communication 16-Bit RISC Microcontroller 4.2 LQFP 100 pins 16.00 14.00 0.15 0.10 100 76 1 75 0.10 14.00 25 51 26 50 0.127(TYP) 0.50(TYP) Sealing Plane 0.22 0.05 "A" 0.08(MAX) 1.60(MAX) 0.05 0~7 0.05 0.60 1.00(REF) 0.10 Specifications subject to change without notice, contact your sales representatives for the most update information. Page 7 of 9 REV 1.0 0.2S(TYP) GAUGE PLANE 1.40 0.15 UNIT:mm 16.00 0.15 May. 31 2007