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ADM5120
Register Description
Bits
Type Name
Description
Initial value
bit[4]=1, forced the FC of 10M/100M, forced the RX
FC of giga,
bit[5]=1, forced the TX FC of giga
6 Reserved
Not
Applicable
7
RW
rev-MII
0: normal MII mode (default), 1: reversed MII if MII
enable and only in the 10M/100M speed, and only in the
AN monitor disable
reversed MII mode
(AN will be off) – drive TXC, RXC,
COL, and CRS
(5120 side) RXC
→
RXC (MAC side)
TXC
→
TXC
TXD
→
RXD
TXE
→
RXDV
RXD
←
TXD
RXDV
←
TXE
COL
→
COL
CRS
→
CRS
1: enable(if in the dumb mode, set to 1),
0
8
RW
TXC_check
check the MII port TXC period, if more than 400us,
then disable MII port
1: disable, check TXC(only for 10/100M)(default)
0: enable check.
1
10:9 RW Config_early_rdy[
1:0]
Giga Port early preamble configuration. Default value
00
0
15:11
Reserved
Not
Applicable
17:16 RW
LED_flash_time The frequency of LED flash:
00: 30ms,
01: 60ms,
10: 240ms,
11: 480ms
00
23:18
dis_uc_pause[5:0] Disable unicast pause frame. Default 00000.
31:24
Reserved
Not
Applicable
4.4.14 Reserved, offset: 0x34
Bits
Type Name
Description
Initial value
Reserved Not
Applicable
4.4.15 Reserved, offset: 0x38
ADMtek Inc.
4-12
Bits
Type Name
Description
Initial value
Reserved Not
Applicable