AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 246

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

Memory-Mapped Registers
246
AP_VALUE0
AP_VALUE1
AP_VALUE2
AP_VALUE3
AP_VALUE4
AP_VALUE5
AUTOPOLL0
AUTOPOLL1
AUTOPOLL2
AUTOPOLL3
AUTOPOLL4
AUTOPOLL5
BADR
BADX
CHIPID
CHPOLLTIME
CMD0
CMD2
CMD3
CMD7
CTRL0
CTRL1
CTRL2
CTRL3
DATAMBIST
DELAYED_INT
EEPROM_ACC
FLASH_ADDR
FLASH_DATA
FLOW
IFS1
INT0
INTEN0
IPG
Register
Offset, hex
0AC
0A8
0AA
0AE
0B0
0B2
18A
1A0
0C0
17C
19C
0C8
18C
18D
120
100
0F0
198
8A
8C
8E
6C
88
90
92
48
50
54
64
68
70
74
38
40
Width, bits
16
16
16
16
16
16
16
16
16
16
16
16
64
64
32
16
32
32
32
32
32
32
32
32
64
32
16
32
16
32
32
32
8
8
P R E L I M I N A R Y
Reset Value
X262 8003
0000 0900
0001 0001
0000 0004
8100
3C
60
Am79C976
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reset Type
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
E,H
H
H
H
H
H
H
H
H
H
P
H
H
H
H
H
Chip ID. Read only
Chain Poll Timer Register
Control 0
Control 1
Control 2
MBIST Access Register
Delayed Interrupts Register
EEPROM Access Register
Flow Control Register
Interrupt 0. Read only or write 1 to clear. All
bits cleared by H_RESET. Bits 0, 5, 6, & 8
also cleared when RUN is cleared.
Inter-Packet Gap Register
Auto-poll register 0 value
Auto-poll register 1 value
Auto-poll register 2 value
Auto-poll register 3 value
Auto-poll register 4 value
Auto-poll register 5 value
Auto-poll Register 1
Auto-poll Register 2
Auto-poll Register 3
Auto-poll Register 4
Auto-poll Register 5
Auto-poll Register 6
Base Address of Receive Descriptor Ring
Base Address of Transmit Descriptor Ring
Command 0
Command 2
Command 3
Command 7
Control 3
Flash Address Register
Flash Data Register
Inter-Frame Spacing, Part 1 Register
Interrupt Enable 0.
Notes
8/01/00