Table 35. BCR Registers
Programmability
User EEPROM
RAP
0
Mnemonic
MSRDA
Default
0005h
0005h
0002h
N/A
Name
Reserved
No
No
No
No
1
MSWRA
MC
Reserved
2
Miscellaneous Configuration
Reserved
Yes
No
Yes
No
3
Reserved
LED0
4
00C0h
0084h
0088h
0090h
N/A
LED0 Status
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
5
LED1
LED1 Status
6
LED2
LED2 Status
7
LED3
LED3 Status
8
Reserved
FDC
Reserved
9
0000h
N/A
Full-Duplex Control
Reserved
Yes
No
Yes
No
10-15 Reserved
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
IOBASEL
IOBASEU
BSBC
N/A
Reserved
No
No
N/A
Reserved
No
No
9001h
0002h
0000h
N/A
Burst and Bus Control
EEPROM Control and Status
Software Style
Yes
Yes
Yes
No
Yes
No
EECAS
SWS
No
INTCON
PCILAT
PCISID
PCISVID
SRAMSIZ
SRAMB
SRAMIC
EBADDRL
EBADDRU
EBD
Reserved
No
FF06h
0000h
0000h
0000h
0000h
0000h
N/A
PCI Latency
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
PCI Subsystem ID
PCI Subsystem Vendor ID
SRAM Size
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
SRAM Boundary
SRAM Interface Control
Expansion Bus Address Lower
Expansion Bus Address Upper
Expansion Bus Data Port
Software Timer Value
PHY Control and Status
PHY Address
N/A
No
N/A
No
STVAL
FFFFh
0000h
0000h
N/A
No
MIICAS
MIIADDR
MIIMDR
PCIVID
Yes
Yes
No
PHY Management Data
PCI Vendor ID
1022h
Yes
PCIPowerManagementCapabilities(PMC)
Alias Register
36
PMC_A
C811h
No
Yes
37
38
39
40
41
42
43
44
45
46
47
48
49
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
PMR1
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
N/A
PCI DATA Register 0 Alias Register
PCI DATA Register 1 Alias Register
PCI DATA Register 2 Alias Register
PCI DATA Register 3 Alias Register
PCI DATA Register 4 Alias Register
PCI DATA Register 5 Alias Register
PCI DATA Register 6 Alias Register
PCI DATA Register 7 Alias Register
Pattern Matching Register 1
Pattern Matching Register 2
Pattern Matching Register 3
LED4 Status
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
PMR2
N/A
No
PMR3
N/A
No
LED4
0082h
8101h
Yes
Yes
PHY Select
PHY Select
146
Am79C978
AMD [ AMD ]
