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RDC(R)
R8822
RISC DSP Communication
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
RDC(R)
1. Features
l CPU Core -
R8822
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
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%
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 64K-byte I/O space Supports 64Kx16, 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
l Ambient Temperature: 0~+70C 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
RDC(R)
R8822
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
2. Block Diagram
INT2/INTA0_n INT1/SELECT_n CLKOUTA INT3/INTA1_n/IRQ CLKOUTB INT6-INT4 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/RAS0_n UCS_n/ONCE1_n MCS0_n MCS1_n/UCAS_n MCS2_n/LCAS_n MCS3_n/RAS1_n PCS5_n/A1 PCS6_n/A2
Chip Select Unit DRAM Control Unit
Instruction Queue (64bits) Instruction Decoder
Control Signal
Micro ROM
PIO Unit
PIO[31:0]
ARDY SRDY S2_n/BWSEL S1_n~S0_n DT/R_n DEN_n HOLD HLDA S6/CLKDIV2_n UZI_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
Bus Interface Unit
ALU
(Special, Logic, Adder, BSF)
Execution Unit
Asynchronous Serial Port1
CTS1_n/ENRX1_n TXD1 RXD1
A[19:0](MA[8:0]) AD[15:0]
RD_n WHB_n WLB_n WR_n ALE BHE_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
RDC(R)
3.
R8822
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
Package Information
D 23.20 0.20 0.10
PQFP 100 pins
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 4 of 5 REV 1.0 Jul.7 2006
0.25 MIN A1
RDC(R)
R8822
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
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 5 of 5 REV 1.0 Jul.7 2006
0.2S(TYP) GAUGE PLANE
1.40
0.15
UNIT:mm
16.00
0.15

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