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189
Ethernet Module
Test register
Address: FF80 041C
Register bit assignment
D02 N/A Reserved N/A N/A
D01 R/W JABBER 0 Enable Jabber protection
Jabber is the condition in which a transmitter is
stuck on longer than 50 ms, preventing other
stations from transmitting.
Set this bit to 1 to enable Jabber protection logic
within the PE10T in ENDEC mode.
D00 R/W BITMODE 0 Bit mode
Set this bit to 1 to configure the MAC to operate in
ENDEC mode. ENDEC mode is based on the
bit-clock rather than the nibble-clock, and changes
decodes (such as Excess Defer) to operate
accordingly.
Bits Access Mnemonic Reset Description
Table 67: PHY Support register bit assignment
Bits Access Mnemonic Reset Description
D31:03 N/A Reserved N/A N/A
Table 68: Test register bit definition
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
Reserved
Reserved
TBACK
TPAUSE
SPQ