FDC37C93XFR Ver la hoja de datos (PDF) - SMSC -> Microchip

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FDC37C93XFR

Plug and Play Compatible Ultra I/OÔ Controller with Fast IR

SMSC -> Microchip 

Pin Original Alternate Alternate Alternate Buffer

No. Function Function 1 Function 2 Function 3 Type

108 GPI/O

Serial

-

EEPROM

-

I/O4

Clock

109 GPI/O

Serial

-

EEPROM

-

I/O4

Enable

110 GPI/O 8042 P21

-

-

I/O4

Default

input

input

input

Index

Register

GP2

GPI/O

GP23

GP2 GP24

GP2 GP25

Note 1: At power-up, RD0-RD7, nROMCS and nROMOE function as the XD Bus. To use RD0-RD7

for functions other than the XD Bus, nROMCS must stay high until those pins are finished

being reprogrammed.

Note 2: These pins are input (high-z) until programmed for second serial port.

Note 3: This is the trickle voltage input pin for the FDC37C93xFR.

Note 4: These pins cannot be programmed as open drain pins in their original function.

Note 5: No pins in their original function can be programmed as inverted input or inverted output.

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