Specifications

ASIX ELECTRONICS CORPORATION
16
AX88772
USB to 10/100 Fast Ethernet/HomePNA Controller
4.1.8 Power-Up Steps
After power-on reset, the ASIC will automatically perform following steps to the Ethernet Phys via MDC/MDIO lines,
1. Write to Phy_ID of 00h with Phy register offset 00h to power down all Phys attached to station management
interface.
2. Write to Primary Phy_ID with Phy register offset 00h to power down Primary Phy.
3. Write to Secondary Phy_ID with Phy register offset 00h to power down Secondary Phy.