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Ethernet Control and Status registers
358
NS9750 Hardware Reference
PHY Support register
Address: A060 0418
Register bit assignment
Bits Access Mnemonic Reset Description
D31:16 N/A Reserved N/A N/A
D15 R/W RPERMII 0 Reset RMII module
Set to 1 to reset the RMII PHY interface module logic.
D14:09 R/W Not used 0x08 Always write 0x08.
D08 R/W SPEED 0 Speed select (RMII)
0 RMII PHY interface logic is configured for 10
Mbps
1 RMII PHY interface logic is configured for 100
Mbps
D07:00 R?W Not used 0x00 Always write 0x00.
Table 217: PHY Support register
Reserved
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
RPER
MII
Not used
SPEED
Not used