2015 Microchip Technology Inc. DS00001909A_CN 第 3页
LAN9252
1.0 前言 ................................................................................................................................................................................................. 4
2.0 概述 ................................................................................................................................................................................................. 8
3.0 引脚说明和配置 ............................................................................................................................................................................. 11
4.0 电源连接 ........................................................................................................................................................................................ 29
5.0 寄存器映射 .................................................................................................................................................................................... 32
6.0 时钟、复位和功耗管理 .................................................................................................................................................................. 37
7.0 配置脚 ........................................................................................................................................................................................... 51
8.0 系统中断 ........................................................................................................................................................................................ 53
9.0 主机总线接口 ................................................................................................................................................................................ 62
10.0 SPI/SQI从器件 .......................................................................................................................................................................... 102
11.0 以太网PHY ................................................................................................................................................................................ 120
12.0 EtherCAT .................................................................................................................................................................................. 196
13.0 EEPROM接口 ........................................................................................................................................................................... 295
14.0 芯片模式配置 ............................................................................................................................................................................ 296
15.0 通用定时器和自由运行时钟 ....................................................................................................................................................... 297
16.0 其他 ........................................................................................................................................................................................... 301
17.0 JTAG ......................................................................................................................................................................................... 305
18.0 工作特性 .................................................................................................................................................................................... 307
19.0 封装外形 .................................................................................................................................................................................... 322
20.0 版本历史 .................................................................................................................................................................................... 325
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