參數(shù)資料
型號: AM79C982-8JC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: basic Integrated Multiport Repeater (bIMR)
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQCC84
封裝: PLASTIC, LCC-84
文件頁數(shù): 17/26頁
文件大小: 254K
代理商: AM79C982-8JC
AMD
PRELIMINARY
1–19
Am79C982
Table 2. Management Port Command Summary
Commands
SI Data
SO Data
Set (Write) Opcodes
bIMR Chip Programmable Options
0000 10SA
Alternate AUI Partitioning Algorithm
0001 1111
Alternate TP Partitioning Algorithm
0001 0000
AUI Port Disable
0010 1111
AUI Port Enable
0011 1111
TP Port Disable
0010 0### (note 2)
TP Port Enable
0011 0###
Disable Link Test Function (per TP port)
0100 0###
Enable Link Test Function (per TP port)
0101 0###
Disable Automatic Receiver Polarity Reversal (per TP port)
0110 0###
Enable Automatic Receiver Polarity Reversal (per TP port)
0111 0###
Get (Read) Opcodes
AUI Port Status (B, S, L Cleared)
1000 1111
PBSL 0000
TP Port Partitioning Status
1000 0000
C
7
...C
0
(bIMR8),
C
3
...C
0
(bIMR4)
Bit Rate Status of TP ports
1010 0000
E
7
...E
0
(bIMR8),
E
3
...E
0
(bIMR4)
Link Test Status of TP ports
1101 0000
L
7
...L
0
(bIMR8),
L
3
...L
0
(bIMR4)
Receive Polarity Status of all TP ports
1110 0000
P
7
...P
0
(bIMR8),
P
3
...P
0
(bIMR4)
MJLP Status
1111 0000
M000 0000
Version
1111 1111
XXXX 0101
AUI Port Status (S, L Cleared)
1000 1011
PBSL 0000
AUI Port Status (B Cleared)
1000 1101
PBSL 0000
AUI Port Status (None Cleared)
1000 1001
PBSL 0000
Notes:
1. Unused opcodes are reserved for future use.
2. Select code for the twisted pair ports (TP0 to TP7).
###
000
001
010
011
100
101
110
111
bIMR8
TP0
TP1
TP2
TP3
TP4
TP5
TP6
TP7
bIMR4
TP0
TP1
TP2
TP3
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