R8822资料

RDC

®

RISC DSP Communication

R8822

16-BIT RISC MICROCONTROLLER

16-BIT RISC MICROCONTROLLER

R8822 Brief Sheet

Specifications subject to change without notice, contact your sales representatives for the most update information.

Page 1 of 5 REV 1.0 Jul.7 2006 元器件交易网www.cecb2b.com

RDC

®

RISC DSP Communication

R8822

16-BIT RISC MICROCONTROLLER

1. Features

l CPU Core

- RDC’s proprietary RISC architecture - Five-stage pipeline - CPU Clock speed: 40MHz - Supports CPU ID - Supports 32 PIO pins - Static & synthesizable design l Bus Interface

- Multiplexed address and data bus - With 8-bit or 16-bit boot ROM bus size - Supports a non-multiplexed address bus A[19:0] - 8-bit or 16-bit external bus dynamic access l ROM/RAM/DRAM Controller and Addressing Space

- 1M-byte memory address space - K-byte I/O space

- Supports Kx16, 128Kx16, 256Kx16 EDO or FP DRAM with auto-refresh control l Two Independent DMA Channels 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 l Programmable wait-state generators

- Programmable chip-select logic for memory or I/O bus cycle decoder l Counters/Timers

- Three independent 16-bit timers and one independent programmable watchdog timer l Software Compatible with The 80C186

Microprocessor

l Operating Voltage Range - Core voltage: 5V ± 10% - I/O voltage: 5V ± 10% l Ambient Temperature: 0~+70°C l Package Type - 100-pin PQFP - 100-pin LQFP l A Green product

Specifications subject to change without notice, contact your sales representatives for the most update information.

Page 2 of 5 REV 1.0 Jul.7 2006 元器件交易网www.cecb2b.com

RDC

®

RISC DSP Communication

R8822

16-BIT RISC MICROCONTROLLER

2. Block Diagram INT2/INTA0_nINT1/SELECT_nCLKOUTAINT3/INTA1_n/IRQCLKOUTBINT6-INT4INT0NMITMROUT0TMROUT1TMRIN0TMRIN1DRQ0DRQ1X1VCCGND

X2Clock andPowerManagementInterruptControl UnitTimer ControlUnitDMAUnitRST_nLCS_n/ONCE0_n/RAS0_nUCS_n/ONCE1_nMCS0_nMCS1_n/UCAS_nMCS2_n/LCAS_nMCS3_n/RAS1_nPCS5_n/A1PCS6_n/A2ChipSelectUnitDRAMControlUnitInstructionQueue (bits)InstructionDecoderControl SignalMicroROMPIOUnitPIO[31:0]

ARDYSRDY

S2_n/BWSELS1_n~S0_nDT/R_nDEN_nHOLDHLDA

S6/CLKDIV2_n

UZI_nRefreshControlUnitRegisterFileGeneral,Segment,Eflag RegisterEA / LAAddressAsynchro-nous SerialPort0RTS0_n/RTR0_nCTS0_n/ENRX0_nTXD0RXD0

RTS1_n/RTR1_n

BusInterfaceUnitALU(Special,Logic,Adder,BSF)ExecutionUnitAsynchro-nous SerialPort1CTS1_n/ENRX1_nTXD1RXD1

A[19:0](MA[8:0])AD[15:0]RD_nWHB_nWLB_nWR_nALEBHE_n/ADEN_n

Specifications subject to change without notice, contact your sales representatives for the most update information.

Page 3 of 5 REV 1.0 Jul.7 2006 元器件交易网www.cecb2b.com

RDC

®

RISC DSP Communication

R8822

16-BIT RISC MICROCONTROLLER

3. Package Information PQFP 100 pins D 23.20 0.20D1 20.00 0.10\"A\"E1 14.00 0.10SEATINGPLANE\"A\"0.65 BSCE 17.20 0.200.10c0.25~0.383.40 Max.DETAIL A1.60 REFL1A22.85 0.12L0.88 0.150.25DETAIL A

15TYP7TYPUNIT:mm

Specifications subject to change without notice, contact your sales representatives for the most update information.

Page 4 of 5 REV 1.0 Jul.7 2006 0.25 MINA1元器件交易网www.cecb2b.com

RDC

®

RISC DSP Communication

R8822

16-BIT RISC MICROCONTROLLER

LQFP 100 pins 16.00 0.1514.00 0.101007617514.00 0.10255126500.127(TYP)0.50(TYP)Sealing Plane0.22 0.05\"A\"0.08(MAX)1.60(MAX)1.40 0.050 ~ 70.10 0.050.60 0.151.00(REF)0.2S(TYP)GAUGE PLANEUNIT:mm

16.00 0.15

Specifications subject to change without notice, contact your sales representatives for the most update information.

Page 5 of 5 REV 1.0 Jul.7 2006