R8830
16-BIT RISC MICROCONTROLLER
Features
CPU Core
proprietary RISC architecture
Five-stage pipeline
CPU Clock speed up to 40 MHz
Supports CPU ID
Supports 32 PIO pins
Bus interface
Multiplexed address and data bus which is
compatible with the 80C188 microprocessor
Supports a non-multiplexed address bus A[19:0]
ROM/RAM Controller and Addressing Space
1M-byte memory address space
64K-byte I/O space
PSRAM Interface
PSRAM (Pseudo Static RAM) interface with
auto-refresh contro
Compatible UART Channels
UART speed : maximum baud rate up to
115.2Kbps
Two Independent DMA Channels
Supports seriaports with DMA transfers
Asynchronous SeriaChannels
Supports two asynchronous seriachannels
with hardware handshaking signals
Interrupt Controller
The Interrupt controller with seven maskable
externainterrupts and one non-maskable
externainterrupt
Programmable Chip-select Logic
Programmable chip-select logic for memory or
I/O bus cycle decoder
Programmable Wait-state Generator
Counter/Timers
Three independent 16-bit timers and one
independent watchdog timer
Software Compatible with the 80C186
Microprocessor
Operating Voltage Range
Core voltage: 5V ± 10%
I/O voltage: 5V ± 10%
Ambient temperature: 0 ~ +70°C
Power Save and Power Down Mode Support
Package Type
-100 Pin PQFP & 100 Pin LQFP
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