ST7293 datasheet(50/69 Pages) STMICROELECTRONICS

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ST72E94 - ST72T94

PIN DESCRIPTION (Continued)

Table 1. ST72E94 Pin Configuration

Name

Function

Description

Assignment

INT/VPP

Interrupt / EPROM Programming Voltage

RESET

I/O

Reset

OSCin

Oscillator

OSCout

Oscillator

PB7

I/O

Standard Port (bit programmable)

PB6

I/O

Standard Port (bit programmable)

PB5

I/O

Standard Port (bit programmable)

PB4

I/O

Standard Port (bit programmable)

PB3

I/O

Standard Port (bit programmable)

PB2

I/O

Standard Port (bit programmable)

PB1

I/O

Standard Port (bit programmable)

PB0

I/O

Standard Port (bit programmable)

PC5

I/O

Standard Port (falling edge interrupt line)

PC4

I/O

Standard Port (falling edge interrupt line)

PC3

I/O

Standard Port (falling edge interrupt line)

PC2

I/O

Standard Port (falling edge interrupt line)

PC1 (OCMP1)

I/O

Standard Port (falling edge interrupt line or timer output compare)

PC0 (ICAP)

I/O

Standard Port (falling edge interrupt line or timer input capture)

PA7

I/O

Standard Port (bit programmable)

PA6

I/O

Standard Port (bit programmable)

PA5

I/O

Standard Port (bit programmable)

PA4

I/O

Standard Port (bit programmable)

PA3

I/O

Standard Port (bit programmable)

PA2

I/O

Standard Port (bit programmable)

PA1

I/O

Standard Port (bit programmable)

PA0

I/O

Standard Port (bit programmable)

VDD

I/O

Power Supply

VSS

I/O

Ground

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