R1121 RDC [RDC Semiconductor], R1121 Datasheet - Page 2

• Manufacturer Part Number: R1121
• Description: 16 Bit RISC Micro Processor
• Manufacturer: RDC [RDC Semiconductor]

RDC
1
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RDC Confidential
l CPU Core
l Bus interface
l ROM/RAM/DRAM Controller and Addressing
l Software
l Asynchronous Serial Channels
- RDC’s proprietary RISC architecture
- Five-stages pipeline
- Operation frequency: 80MHz,
- Support CPU ID
- Supports 32 PIO pins
- Static Design & Synthesizable design
- External bus, Internal bus and core in the same
- 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
- 1M byte memory address space
- 64K byte I/O space
- Support 64kx16, 128kx16, 256kx16 EDO or FP
- compatible with generic 80C186 microprocessor
Space
Features
clock base
DRAM with auto-refresh control
®
RISC DSP Communication
Page 2 of 5
l Interrupt Controller
l Two Independent DMA Channels
l Integrate PLL(*1~*8)
l Programmable Chip-select Logic
l Programmable wait-state generator
l Counter/Timers
l Operating Voltage Range
l Package Type
l
- Support two Asynchronous serial channels with
- The interrupt controller with seven maskable
- Programmable chip-select logic for Memory or
- Three independent 16-bit timers and one
- Operation voltage: 3.3V
- Input voltage: 2.5V ~ 5V
- Out voltage: 3.3V
- 100 Pin PQFP & LQFP
A Green Product
hardware handshaking signals.
external interrupts and one non-maskable
external interrupt (NMI)
I/O bus cycle decoder
independent programmable watchdog timer
16 Bit RISC Micro Processor
REV 1.0 May. 03 2007
R1121