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RDC®
RISC DSP Communication
R1100www.DataSheet4U.com
16 Bit RISC Micro Processor
R1100
Brief Sheet
16 BIT RISC MICRO PROCESSOR
Specifications subject to change without notice, contact your sales representatives for the most update information.
RDC Confidential
Page 1 of 5
REV 1.0 May. 04 2007

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RDC®
RISC DSP Communication
R1100www.DataSheet4U.com
16 Bit RISC Micro Processor
1 Features
l CPU Core
- RDCs proprietary RISC architecture
- Five-stages pipeline
- Operation frequency: 80MHz
- Support CPU ID
- Supports 32 PIO pins
- External bus, Internal bus and core in the same
clock base
l Bus interface
- Multiplexed address and Data bus
- With 8-bit or 16-bit boot ROM bus size
- Supports direct address bus [A19 : A0]
- 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
l Software
- Software compatible
microprocessor
with
generic
80C186
l Asynchronous Serial Channels
- Support 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 (NMI)
l Two Independent DMA Channels
l Integrate PLL(*1~*8)
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
- Three independent 16-bit timers and one
independent programmable watchdog timer
l Operating Voltage Range
- Operation voltage: 3.3V
- I/O pin input voltage: 3.3V ~ 5V
- I/O pin output voltage: 3.3V
l Package Type
- 100 Pin PQFP & LQFP
l A Green Product
Specifications subject to change without notice, contact your sales representatives for the most update information.
RDC Confidential
Page 2 of 5
REV 1.0 May. 04 2007

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RDC®
RISC DSP Communication
2. Block Diagram
CLKOUTA
INT2/INTA0
INT1/SELECT
INT3/INTA1/IRQ
CLKOUTB
INT4
INT0 NMI
X1 X2
PLL
VCC Clock & Power
GND Management
Interrupt
Control Unit
RST
R1100www.DataSheet4U.com
16 Bit RISC Micro Processor
TMROUT0 TMROUT1
TMRIN0 TMRIN1
Timer Control
Unit
DRQ0
DRQ1
DMA
Unit
LCS/ONCE0
MCS3/RFSH
MCS2-MCS0
UCS/ONCE1
PCS3-PCS0
PCS5/A1
PCS6/A2
Chip
Select
Unit
PSRAM
Control
Unit
ARDY
SRDY
S2~S0
DT/R
DEN
HOLD
HLDA
S6/CLKDIV2
UZI
Refresh
Control
Unit
Bus
Interface
Unit
Instruction
Queue (64bits)
Instruction
Decoder
Control Signal
Register
File
General,
Segment,
Eflag Register
ALU
(Special,
Logic,
Adder,
BSF)
A19~A0
AD15~AD0
ALE
RD
WHB
WLB
WR
BHE/ADEN
Micro
ROM
EA / LA
Address
PIO
Unit
Asynchro-
nous Serial
Port
TXD
RXD
Execution
Unit
Synchronous
Serial Interface
SCLK
SDATA
SDEN0 SDEN1
Specifications subject to change without notice, contact your sales representatives for the most update information.
RDC Confidential
Page 3 of 5
REV 1.0 May. 04 2007