am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 43

• Manufacturer Part Number: am79c961
• Description: Pcnettm-isa Jumperless Single-chip Ethernet Controller For Isa
• Manufacturer: Advanced Micro Devices

Plug and Play Register Map
The following chart and its bit descriptions show the in-
ternal configuration registers associated with the Plug
Plug and Play
Register
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x30
0x31
READ_DATA
SERIAL_ISOLATION
RST_CSN
WAIT_KEY
RST_ALL
WAKE [CSN]
READ_STATS
RESOURCE_DATA
CSN
ACTIVATE
IORNG
Bit 7
0
0
0
0
0
Bit 6
0
0
0
0
0
Address of Plug and Play READ_DATA Port.
Used in the Serial Isolation process.
Resets CSN register to zero.
Resets Wait for Key State.
Resets all logical devices.
Will wake up if write data matches CSN Register.
Read Status of RESOURCE DATA.
Next pending byte read from EEPROM.
Plug and Play CSN Value.
Indicates that the PCnet-ISA
Bits used to enable the I/O Range Check Command.
Bit 5
0
0
0
0
0
P R E L I M I N A R Y
Am79C961
SERIAL ISOLATION
RESOURCE_DATA
Bit 4
0
0
0
0
0
READ_DATA
WAKE [CSN]
and Play operation. These registers control the configu-
ration of the PCnet-ISA
CSN
+
device should be activated.
Bit 3
0
0
0
0
0
Bit 2
RST
CSN
0
0
0
0
+
controller.
IORNG
WAIT
Bit 1
KEY
0
0
0
ACTIVATE
STATUS
IORNG
READ
AMD
Bit 0
RST
ALL
0
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