MIC2590B Micrel Semiconductor, MIC2590B Datasheet - Page 6

• Manufacturer Part Number: MIC2590B
• Description: Dual-Slot PCI Hot Plug Controller
• Manufacturer: Micrel Semiconductor

MIC2590B
Pin Description
MIC2590B
Pin Number
39, 40, 41
4, 38
48
47
46
GPIA, GPIB
A2, A1, A0
Pin Name
GND
SDA
SCL
Pin Function
SMBus Data: Bidirectional SMBus data line.
SMBus Clock: Input.
SMBus Address Select pins: Connect to ground or leave open in order to
program device SMBus base address. There is an internal pull-up to VSTBY
on each of these inputs.
General Purpose Inputs: The state of these inputs are available by reading
the Common Status Register.
Ground.
6
August 2002
Micrel