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FM3570MT20X

Fairchild Semiconductor
Part Number FM3570MT20X
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 PDF File FM3570MT20X PDF File

FM3570MT20X
FM3570MT20X

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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