參數資料
型號： CDB8952
廠商： Cirrus Logic, Inc.
英文描述： CrystalLAN 100BASE-X and 10BASE-T Transceiver
中文描述： CrystalLAN個100Base - X和10Base - T的收發(fā)器
文件頁數： 34/82頁
文件大小： 1130K
代理商： CDB8952
CS8952
34
CrystalLAN
100BASE-X and 10BASE-T Transceiver
6.2
Basic Mode Status Register - Address 01h
15
14
13
12
11
10
9
8
100BASE-T4
100BASE-TX/
Full Duplex
100BASE-TX/
Half Duplex
10BASE-T/
Full Duplex
10BASE-T/
Half Duplex
Reserved
7
6
5
4
3
2
1
0
Reserved
MF Preamble
Suppression
Auto-Neg
Complete
Remote Fault
Auto-Neg
Ability
Link Status
Jabber Detect
Extended
Capability
BIT
15
NAME
TYPE
RESET
DESCRIPTION
100BASE-T4
Read Only
0
The CS8952 does not support 100BASE-T4 opera-
tion, so this bit will always read 0.
When this bit is set, it indicates that the CS8952 is
capable of 100BASE-TX Full-Duplex operation. This
bit reflects the status of the 100BASE-TX/Full-Duplex
bit in the Auto-Negotiation Advertisement Register
(address 04h).
When this bit is set, it indicates that the CS8952 is
capable of 100BASE-TX Half-Duplex operation. This
bit reflects the status of the 100BASE-TX/Half
Duplex bit in the Auto-Negotiation Advertisement
Register (address 04h).
When this bit is set, it indicates that the CS8952 is
capable of 10BASE-T Full-Duplex operation. This bit
reflects the status of the 10BASE-T/Full Duplex bit in
the Auto-Negotiation Advertisement Register
(address 04h).
When this bit is set, it indicates that the CS8952 is
capable of 10BASE-T Half-Duplex operation. This bit
reflects the status of the 10BASE-T/Half Duplex bit in
the Auto-Negotiation Advertisement Register
(address 04h).
14
100BASE-TX/Full
Duplex
Read Only
1
13
100BASE-TX/Half
Duplex
Read Only
1
12
10BASE-T/Full
Duplex
Read Only
1
11
10BASE-T/Half
Duplex
Read Only
1
10:7
6
Reserved
MF Preamble Sup-
pression
Read Only
Read Only
0000
1
When set, this bit indicates that the CS8952 is capa-
ble of accepting management frames regardless of
whether they are preceded by the preamble pattern.
When clear, it indicates that the management frame
must be preceded by the preamble pattern to be con-
sidered valid. This bit reflects the status of the MR
Preamble Enable bit in the PCS Sub-Layer Configu-
ration Register (address 17h).
This bit is set to a 1 when the auto-negotiation pro-
cess has completed. This is an indication that data is
valid in the Auto-Negotiation Advertisement Register
(address 04h), the Auto-Negotiation Link Partner
Ability Register (address 05h), and the Auto-Negotia-
tion Expansion Register (address 06h).
When auto-negotiation is enabled, this bit is set if the
Remote Fault bit is set in the Auto-Negotiation Link
Partner Ability Register (address 05h). When auto-
negotiation is disabled, this bit will be set when a Far-
End Fault Indication for 100BASE-TX is detected.
5
Auto-Neg Complete Read Only
0
4
Remote Fault
Read Only
0
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