AM79C978A AMD [Advanced Micro Devices], AM79C978A Datasheet - Page 210
![no-image](/images/no-image-200.jpg)
AM79C978A
Manufacturer Part Number
AM79C978A
Description
Single-Chip 1/10 Mbps PCI Home Networking Controller
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C978A.pdf
(256 pages)
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10BASE-T PHY Management Registers
Writes to registers marked “Reserved” will be written as zeros. Reads from these locations will produce undefined
values.
210
Register
Address
20-23
25-31
8-15
16
17
18
19
24
0
1
2
3
4
5
6
7
TBR20-TBR23
TBR25-TBR31
TBR8-TBR15
Symbol
TBR16
TBR17
TBR18
TBR19
TBR24
TBR0
TBR1
TBR2
TBR3
TBR4
TBR5
TBR6
TBR7
Table 87. 10BASE-T PHY Management Registers (TBRs)
PHY Control Register
PHY Status Register
PHY_ID[31:16]
PHY_ID[15:0]
Auto-Negotiation Advertisement Register
Auto-Negotiation Link Partner Ability Register
Auto-Negotiation Expansion Register
Auto-Negotiation Next Page Register
Reserved
Interrupt Status and Enable Register
PHY Control/Status Register
Reserved
PHY Management Extension Register
Reserved
Summary Status Register
Reserved
Am79C978A
Name
Default Value After
H_RESET
1500h
1849h
0000h
6670h
0061h
0000h
0004h
2001h
0000h
0001h
0001h
–{
–
–
–
–
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