PIC12CE518-04-JW_97 查看數據表（PDF） - Microchip Technology

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PIC12CE518-04-JW_97

8-Pin, 8-Bit CMOS Microcontroller with EEPROM Data Memory

Microchip Technology 

PIC12CE5XX

TABLE 3-1: PIC12CE5XX PINOUT DESCRIPTION

Name

DIP SOIC I/O/P Buffer

Pin # Pin # Type Type

Description

GP0

7

7

I/O TTL/ST Bi-directional I/O port/ serial programming data. Can

be software programmed for internal weak pull-up and

wake-up from SLEEP on pin change. This buffer is a

Schmitt Trigger input when used in serial programming

mode.

GP1

6

6

I/O TTL/ST Bi-directional I/O port/ serial programming clock. Can

be software programmed for internal weak pull-up and

wake-up from SLEEP on pin change. This buffer is a

Schmitt Trigger input when used in serial programming

mode.

GP2/T0CKI

5

5

I/O

ST Bi-directional I/O port. Can be configured as T0CKI.

GP3/MCLR/VPP

4

4

I

TTL Input port/master clear (reset) input/programming volt-

age input. When configured as MCLR, this pin is an

active low reset to the device. Voltage on MCLR/VPP

must not exceed VDD during normal device operation.

Can be software programmed for internal weak pull-up

and wake-up from SLEEP on pin change. Weak pull-

up always on if configured as MCLR

GP4/OSC2

3

3

I/O

TTL Bi-directional I/O port/oscillator crystal output. Con-

nections to crystal or resonator in crystal oscillator

mode (XT and LP modes only, GPIO in other modes).

GP5/OSC1/CLKIN

2

2

I/O TTL/ST Bidirectional IO port/oscillator crystal input/external

clock source input (GPIO in Internal RC mode only,

OSC1 in all other oscillator modes). TTL input when

GPIO, ST input in external RC oscillator mode.

VDD

1

1

P

— Positive supply for logic and I/O pins

VSS

8

8

P

— Ground reference for logic and I/O pins

Legend: I = input, O = output, I/O = input/output, P = power, — = not used, TTL = TTL input,

ST = Schmitt Trigger input

© 1997 Microchip Technology Inc.

Preliminary

DS40172A-page 9

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