Digi NS7520B-1-C36 Hardware Reference Manual page 175

MODE field
Not 'b00
Not 'b00
Not 'b00
Not 'b00
Not 'b00 and not 'b11
'b11
Not 'b00
Table 54: ENDEC control signal cross-reference
Output based on EFE CSR bit
TXD1=PDN inverted, open drain
TXD2=AUI_TP[1]
TXD3=AUI_TP[0]
TXER=LNK_DIS_
MDC=LPBK
MDC=LPBK inverted
MDO=UTP_STP
w w w . d i g i e m b e d d e d . c o m
E t h e r n e t M o d u l e
1 6 3