AM79C875KI AMD (ADVANCED MICRO DEVICES), AM79C875KI Datasheet - Page 30

• Manufacturer Part Number: AM79C875KI
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM79C875KI

• Lead Free Status / RoHS Status: Not Compliant

Auto-Negotiation Expansion Register (Register 6)
Auto-Negotiation Next Page Advertisement Register (Register 7)
Reserved Registers (Registers 8-15, 22-23, 25-31)
The NetPHY™ 4LP device contains reserved registers
at addresses 8-15, 22-23, 25-31. These registers
should be ignored when read and should not be written
at any time.
30
Reg
Reg
6
6
6
6
6
6
7
7
7
7
7
7
15:5
10:0
Bit
Bit
15
14
13
12
11
4
3
2
1
0
Table 15. Auto-Negotiation Next page Advertisement Register (Register 7)
Link Partner Auto-
Parallel Detection
Link Partner Next
Negotiation Able
Next Page Able
Page Received
Page Able
Reserved
Reserved
TOG_TX
Name
CODE
Name
ACK2
Fault
MP
NP
Table 14. Auto-Negotiation Expansion Register (Register 6)
Description
Ignore when read.
1 = Fault detected by parallel detection logic, this fault is due
to more than one technology detecting concurrent link up
condition. This bit can only be cleared by reading this register
via management interface.
0 = No fault detected by parallel detection logic.
1 = Link partner support next page function.
0 = Link partner does not support next page function.
Next page is supported, i.e., this bit is permanently ties to 1.
It is set when a new link code word has been received into the
Auto-Negotiation Link Partner Ability Register. This bit is
cleared upon a read of this register.
1 = Link partner is Auto-Negotiation able.
0 = Link partner is not Auto-Negotiation able
Description
Next page indication:
1 = Another Next Page desired.
0 = No other Next Page Transfer desired
Ignore when read.
Message page:
1 = Message page
0 = Un-formatted page.
Acknowledge 2
1 = Will comply with message.
0 = Cannot comply with message.
Toggle:
1 = Previous value of transmitted link code word equals to 0
0 = Previous value of transmitted link code word equals to 1
Message/Un-formatted Code Field.
Am79C875
RO/LH
RO/LH
Read/
Write
Read/
Write
RO
RO
RO
RO
RW
RW
RW
RW
RW
RO
Default
Default
001
0
0
0
1
0
0
0
0
1
0
0