am79c961a Advanced Micro Devices, am79c961a Datasheet - Page 52

• Manufacturer Part Number: am79c961a
• Description: Pcnet?-isa Ii Jumperless, Full Duplex Single-chip Ethernet Controller For Isa
• Manufacturer: Advanced Micro Devices

Plug and Play Registers
The PCnet-ISA II controller supports all of the defined
Plug and Play card control registers. Refer to the tables
on the following pages for detailed information.
52
Notes:
1. CSN = Card Select Number.
2. RESET_DRV causes a state transition from the current state to Wait for Key and sets all CSNs to
3. The Wait for Key command causes a state transition from the current state to Wait for Key.
Isolation
zero. All logical devices are set to their power-up configuration values.
State
Active Commands
Reset
Wait for Key
Set RD_DATA Port
Serial Isolation
Wake[CSN]
Wait for Key
Sleep
Plug and Play ISA Card State Transitions
Lose serial location OR
(WAKE <> CSN)
State
State
RESET_DRV
Am79C961A
Power up
Set CSN
Set CSN = 0
Active Commands
no active commands
Initiation Key
Active Commands
Reset
Wait for Key
Wake[CSN]
WAKE <> CSN
Config
State
Reset
Wait for Key
Wake[CSN]
Resource Data
Status
Logical Device
I/O Range Check
Activate
Configuration Registers
Active Commands
19364B-13