器件名称: R1120I
功能描述: 16-BIT RISC MICROCONTROLLER
文件大小: 61.47KB 共5页
简 介:RDC
R1120I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
16-BIT RISC MICROCONTROLLER
R1120I Brief Sheet
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page 1 of 5
REV 1.0 Dec.07 2005
RDC
1. Features
R1120I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
l PSRAM (Pseudo static RAM) interface with l l l l Five-stage pipeline RISC architecture Integrated PLL (*1~*8) Maximum frequency: 40 MHz; the external bus, internal bus and core are operating in the same clock base l l Static & synthesizable design Bus interface - A multiplexed address and data bus which is compatible with the 80C186 microprocessor - Supports a direct address bus A[19:0] - 1M-byte memory address space - 64K-byte I/O space l l l Software is compatible with the 80C186 microprocessor Supports two asynchronous serial channels with hardware handshaking signals Supports CPU ID l Supports 32 PIO pins auto-refresh control l Three independent 16-bit timers and one independent watchdog timer l The Interrupt controller with seven maskable external interrupts and one non-maskable external interrupt l Two independent DMA channels l Programmable chip-select logic for memory or I/O bus cycle decoder l Programmable wait-state generators l The I/O pin output is 3.3 volt level and the input 3.3 to 5 volt tolerance. l 3.3V operation voltage l Supports serial port/ DMA transfers l With 8-bit or 16-bit boot ROM bus size l l A green product ……
