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RDC(R)
R8800
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
16-BIT RISC MICROCONTROLLER
R8800 Brief Sheet
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 1 of 5 REV 1.0 Oct.26 2006
RDC(R)
1. Features
l CPU Core
R8800
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
external interrupts and 1 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 Generator l Counter/Timers - 3 independent 16-bit timers and Timer 1 can be programmed as a watchdog timer l Software compatible with the 80C188 microprocessor l Operating Voltage Range - Core voltage: 5V 5% - I/O voltage: 5V 10% l Ambient Temperature: 0 ~ +70C l 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 40 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 80C188 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 l Asynchronous Serial Channel - Supports one asynchronous serial channel with one synchronous serial channel l Interrupt Controller - The Interrupt controller with five maskable
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 2 of 5 REV 1.0 Oct.26 2006
RDC(R)
R8800
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
2. Block Diagram
INT2/INTA0 INT1/SELECT CLKOUTA INT3/INTA1/IRQ CLKOUTB 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
LCS/ONCE0 MCS3/RFSH MCS2-MCS0 UCS/ONCE1 PCS3-PCS0 PCS5/A1 PCS6/A2
Chip Select Unit PSRAM Control Unit
Instruction Queue (64bits) Instruction Decoder
Control Signal
Micro ROM
PIO Unit
PIO31~0
ARDY SRDY S2~S0 DT/R DEN
Refresh Control Unit
Register File General, Segment, Eflag Register
EA / LA Address Asynchronous Serial Port
TXD RXD
HOLD HLDA S6/CLKDIV2 UZI
Bus Interface Unit
ALU
(Special, Logic, Adder, BSF)
Execution Unit
Synchronous Serial Interface
SCLK A19~A0 AD15~AD0 ALE RD WHB WLB
SDATA SDEN0 SDEN1
WR BHE/ADEN
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 3 of 5 REV 1.0 Oct.26 2006
RDC(R)
3.
R8800
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
Package Information
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 4 of 5 REV 1.0 Oct.26 2006
0.25 MIN A1
RDC(R)
R8800
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 Oct.26 2006
0.2S(TYP) GAUGE PLANE
1.40
0.15
UNIT:mm
16.00
0.15

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