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Software Developer’s Manual 249
Register Descriptions
10 Mb/s Full Duplex 12
1b = PHY able to perform full duplex
10BASE-T.
0b = PHY not able to perform full duplex
10BASE-T.
82544GC/EI only:
Bit 14 = Bit 13 = Bit 12 = Bit 11 =
(MODE[3:0] is not any of xx01b, 1x00b,
001xb, 0111b).
RO
RO
1b
MODE[3:0]
100BASE-X Half
Duplex
13
1b = PHY able to perform half duplex
100BASE-X.
0b = PHY able to perform half duplex
100BASE-X.
82544GC/EI only:
Bit 14 = Bit 13 = Bit 12 = Bit 11 =
(MODE[3:0] is not any of xx01b, 1x00b,
001xb, 0111b).
RO
RO
1b
MODE[3:0]
100BASE-X Full
Duplex
14
1b = PHY able to perform full duplex
100BASE-X.
0b = PHY not able to perform full duplex
100BASE-X.
82544GC/EI only:
Bit 14 = Bit 13 = Bit 12 = Bit 11 =
(MODE[3:0] is not any of xx01b, 1x00b,
001xb, 0111b).
RO
RO
1b
MODE[3:0]
100BASE-T4 15
0b = PHY not able to perform 100BASE-
T4.
RO Always 0b
Table 13-17. PHY Status Register Bit Description
Field Bit(s) Description Mode HW Rst SW Rst