W90P710CDG

更新时间： 2024-02-07 01:46:18

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W90P710CDG 技术参数

W90P710CD/W90P710CDG

1. GENERAL DESCRIPTION

The W90P710 is built around an outstanding CPU core, the 16/32 ARM7TDMI RISC processor which

cache/SRAM, is a low power, general purpose integrated circuits. Its simple, elegant, and fully static

design is particularly suitable for cost sensitive and power sensitive applications.

One 10/100 Mb MAC of Ethernet controller is built-in to reduce total system cost. A LCD controller is

also built-in to support TFT and low cost STN LCD modules.

With one USB 1.1 host controller, one USB 1.1 device controller, two smart card host controller, four

independent UARTs, one Watchdog timer, up to 71 programmable I/O ports, PS/2 keyboard controller

and an advanced interrupt controller, the W90P710 is particularly suitable for point-of-sale (POS),

access control and data collector.

The W90P710 also provides one AC97/I²S controller, one SD host controller, one 2-Channel GDMA,

two 24-bit timers with 8-bit pre-scale, The external bus interface (EBI) controller provides for SDRAM,

ROM/SRAM, flash memory and I/O devices. The System Manager includes an internal 32-bit system

bus arbiter and a PLL clock controller. With a wide range of serial communication and Ethernet

interfaces, the W90P710 is also suitable for communication gateways as well as many other general

purpose applications.

2. FEATURES

Architecture

Fully 16/32-bit RISC architecture

Little/Big-Endian mode supported

Efficient and powerful ARM7TDMI core

Cost-effective JTAG-based debug solution

External Bus Interface

8/16/32-bit external bus support for ROM/SRAM, flash memory, SDRAM and external I/Os

Support for SDRAM

Programmable access cycle (0-7 wait cycle)

Four-word depth write buffer for SDRAM write data

Cost-effective memory-to-peripheral DMA interface

Instruction and Data Cache

Two-way, Set-associative, 4K-byte I-cache and 4K-byte D-cache

Support for LRU (Least Recently Used) Protocol

Cache can be configured as internal SRAM

Support Cache Lock function

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