ADM7008
Register Description
4.3.14 PHY Generic Status Register (Register 16h)
Note: PHY Status Registers start from 22 to 28 (29 to 30 reserves for further use)
Bit #
15:14 Reserved
13 CBBRK
Name
Description
Type Default
Interface
RO
RO
00h
0h
4.3.4 PHY Identifier Register (Register
3h)
0: Connection properly
1: Broken
12:11 BRKDIST[ Cable Broken Distance
RO
0h
0h
1:0]
00: 0 – 60m
01: 60– 90m
10: 90 – 130m
11: 130 – 170m
Medium Detect. Real Time Status for
Medium_Detect Signal
0: Medium_Detect Fail
1: Medium_Detect Pass
Fiber Enable. Only Changed when PHY
Reset
10
9
MD
RO
RO
FXEN
pin PI_SELFX
0: TX
1: FX mode
OR’ed result of PI_SELFX and 17.9
(SELFX)
8
XOVER
RO
RO
0h
Cross Over status.
0: MDI mode
1: MDIX mode
7:0
CBLEN Cable Length. Only valid for 100M
MSB is IC0
00h
8’h1C: 40 meters
8’h25: 60 meters
8’h2E: 80 meters
8’h3b: 100 meters
8’hbc: 120 meters
8’hd2: 140 meters
ADMtek Inc.
4-16
ETC [ ETC ]
