Part Number
|
FM3570M20 |
Manufacturer
|
Fairchild Semiconductor |
Description
|
CPU CONFIGURATION CONTROLLER Register/Multiplexer for Microprocessor VID |
Published
|
Mar 30, 2005 |
Detailed Description
|
FM3570 CPU CONFIGURATION CONTROLLER Register/Multiplexer for Microprocessor VID
Preliminary March 2001
FM3570 CPU CONF...
|
Datasheet
|
FM3570M20
|
Overview
FM3570 CPU CONFIGURATION CONTROLLER Register/Multiplexer for Microprocessor VID
Preliminary March 2001
FM3570 CPU CONFIGURATION CONTROLLER Register/Multiplexer for Microprocessor VID
General Description
The Fairchild FM3570 replaces the CPU motherboard’s configuration switches with an electronic implementation consisting of a 4/5-bit multiplexed, 1-bit latched port, standard 2-wire bus interface, and non-volatile latches.
The FM3570 multiplexes the I-port input signals with two internal non-volatile registers that can be loaded through the serial port.
The multiplexer is selected via the serial port and defaults to the I-port upon power-up.
Pull-up resistors are provided on the input port ...
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