参考系统：利用 GPIO 实现以太网 PHY 寄存器访问

参考系统：利用 GPIO 实现以太网 PHY 寄存器访问
Application Note: Ethernet PHY Register Access With GPIO

R Reference System: Ethernet PHY Register
Access With GPIO
Author: Brian Hill
XAPP1042 (v1.0) April 3, 2008


Abstract The XPS Ethernetlite peripheral does not provide any mechanism to access the Ethernet PHY
registers. These registers are used to configure auto negotiation parameters and to obtain PHY
status. This application note provides reference systems and