ax88796 ASIX Electronics Corporation, ax88796 Datasheet - Page 71

• Manufacturer Part Number: ax88796
• Description: Non-pci 8/16-bit 10/100m Fast Ethernet Controller With Embedded Phy
• Manufacturer: ASIX Electronics Corporation

Description: A watch dog timer rountine
re-autonegotiation state. Watchdog Timer Routine will be called every 2 sec
PowerDownFlag is a software flag and should be set to FALSE on initialization.
}
----
{
--------------------------------------------------------------------------------------------
IF PowerDownFlag is TRUE
Read MII Register 1 (Status Register)
IF Bit 2 (Link Status) is ONE (link up) , Exit the watchdog timer routine
IF Bit 2 (Link Status) is ZERO (link down), Read MII Register 1 again.
IF Bit 2 (Link Status) is ONE (link up), Exit the watchdog timer routine
IF Bit 2 (Link Status) is still ZERO (link down)
Exit the watchdog timer routine
{
}
-----------------------------------------------------------------------------------------------------------------
* Write MII Register 0 with 0x3900 (Power down AX88796's PHY)
* Set the PowerDownFlag to TRUE
*Set PowerDownFlag to FALSE
*Write MII Register 0 with 0x3100 (Power up AX88796's PHY).
Exit watch dog timer routine
AX88796 L
3-in-1 Local Bus Fast Ethernet Controller
can kick the embedded PHY from hanged state to
71
ASIX ELECTRONICS CORPORATION
onds, the