參數(shù)資料
型號(hào)： DM9331A
文件頁(yè)數(shù)： 22/43頁(yè)
文件大小： 509K
代理商： DM9331A
DM9331
100 Mbps Twisted Pair/Fiber Ethernet Media Converter Chip
22
Preliminary
Version: DM9331-DS-P02
September 21, 2001
0 = Not acknowledged
The DM9331's auto-negotiation state machine will automatically
control this bit from the incoming FLP bursts. Software should not
attempt to write to this bit.
Remote Fault:
1 = Remote fault indicated by link partner
0 = No remote fault indicated by link partner
Reserved:
Write as 0, ignore on read
Flow control support:
1 = Controller chip supports flow control ability by link partner
0 = Controller chip doesn’t support flow control ability by link partner
100BASE-T4 support:
1 = 100BASE-T4 is supported by the link partner
0 = 100BASE-T4 is not supported by the link partner
100BASE-TX full duplex support:
1 = 100BASE-TX full duplex is supported by the link partner
0 = 100BASE-TX full duplex is not supported by the link partner
100BASE-TX support:
1 = 100BASE-TX half duplex is supported by the link partner
0 = 100BASE-TX half duplex is not supported by the link partner
10BASE-T full duplex support:
1 = 10BASE-T full duplex is supported by the link partner
0 = 10BASE-T full duplex is not supported by the link partner
10BASE-T support:
1 = 10BASE-T half duplex is supported by the link partner
0 = 10BASE-T half duplex is not supported by the link partner
<00000>, RO
Protocol selection bits:
Link partner’s binary encoded protocol selector
5.13
RF
0, RO
5.12-5.11
Reserved
X, RO
5.10
FCS
0, RW
5.9
T4
0, RO
5.8
TX_FDX
0, RO
5.7
TX_HDX
0, RO
5.6
10_FDX
0, RO
5.5
10_HDX
0, RO
5.4-5.0
Selector
Auto-negotiation Expansion Register (ANER)- 06
6.15-6.5
Reserved
X, RO
Reserved:
Write as 0, ignore on read
Local device parallel detection fault:
PDF = 1 : A fault detected via parallel detection function.
PDF = 0 : No fault detected via parallel detection function
Link partner next page able:
LP_NP_ABLE = 1 : Link partner, next page available
LP_NP_ABLE = 0 : Link partner, no next page
Local device next page able:
NP_ABLE = 1 : DM9331, next page available
NP_ABLE = 0 : DM9331, no next page
DM9331 does not support this function, so this bit is always 0.
New page received:
A new link code word page received. This bit will be automatically
cleared when the register (register 6) is read by management.
Link partner auto-negotiation able:
A “1” in this bit indicates that the link partner supports Auto-
negotiation.
6.4
PDF
0, RO/LH
6.3
LP_NP_ABLE
0, RO
6.2
NP_ABLE
0,RO/P
6.1
PAGE_RX
0, RO/LH
6.0
LP_AN_ABLE
0, RO
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