am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 37

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

Plug and Play Registers
The PCnet-ISA
Plug and Play card control registers. Refer to the tables
on the following pages for detailed information.
Notes
1. CSN = Card Select Number
2. RESET or the Reset command
3. The Wait for Key command causes a
causes a state transition from the cur-
rent state to Wait for Key and sets all
CSNs to zero.
state transition from the current state
to Wait for Key.
+
controller supports all of the defined
Isolation
(WAKE = 0) AND (CSN = 0)
State
Reset
Wait for Key
Set RD_Data
Serial Isolation
Wake[CSN]
Plug and Play ISA Card State Transitions
Port
Commands
Active
Lose serial
isolation OR
(WAKE <> CSN)
Wait for Key No active
SLEEP
P R E L I M I N A R Y
State
State
Reset Command
Am79C961
RESET or
Power up
Set CSN
commands
Reset
Wait for Key
Wake[CSN]
Commands
Commands
Set CSN = 0
Initiation Key
(WAKE <> CSN)
Active
Active
Config
(WAKE
State
0) AND (Wake = CSN)
Reset
Wait for Key
Wake[CSN]
Resource Data
Status
Logical Device
I/O Range Check
Activate
Configuration
Registers
Commands
Active
18183B-13
AMD
1-511