AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 198

• Manufacturer Part Number: AM79C976
• Description: PCnet-PRO 10/100 Mbps PCI Ethernet Controller
• Manufacturer: Advanced Micro Devices

Bit
31-16
15-0
198
RAP
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Name
RES
MSRDA
SRAMSIZ
SRAMB
Reserved
EBADDRL
EBADDRU
EBDR
STVAL
MIICAS
MIIADDR
MIIMDR
PCIVID
PMC_A
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
PMR1
PMR2
PMR3
Mnemonic
zeros and read as undefined.
H_RESET, the value in this regis-
ter will be 0005h. The setting of
this register has no effect on any
Am79C976 controller function. It
is only included for software com-
patibility with other PCnet family
devices.
Read always. MSRDA is read
only. Write operations have no ef-
fect.
Reserved locations. Written as
Reserved
Description
Default
FFFFh
C802h
1022h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0400h
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
locations.
P R E L I M I N A R Y
SRAM Size
SRAM Boundary
Reserved
Expansion Bus Address Lower
Expansion Bus Address Upper
Expansion Bus Data Port
Software Timer Value
MII Control and Status
MII Address
MII Management Data
PCI Vendor ID
PCI Power Management Capabilities
(PMC) Alias Register
PCI DATA Register Zero Alias Register
PCI DATA Register One Alias Register
PCI DATA Register Two Alias Register
PCI DATA Register Three Alias Register
PCI DATA Register Four Alias Register
PCI DATA Register Five Alias Register
PCI DATA Register Six Alias Register
PCI DATA Register Seven Alias Register
Pattern Matching Register 1
Pattern Matching Register 2
Pattern Matching Register 3
After
Am79C976
Bit
31-16 RES
15-0
Name
Name
MSWRA
Read always. MSWRA is read
only. Write operations have no ef-
fect.
zeros and read as undefined.
H_RESET, the value in this regis-
ter will be 0005h. The setting of
this register has no effect on any
Am79C976 controller function. It
is only included for software com-
patibility with other PCnet family
devices.
Description
Reserved locations. Written as
Reserved
User
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
Programmability
locations.
EEPROM
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
No
No
No
8/01/00
After