PIC12F609T-I/P View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC12F609T-I/P

8-Pin Flash-Based, 8-Bit CMOS Microcontrollers

Microchip Technology 

PIC12F609/615/617/12HV609/615

5.2.4.6 GP5/T1CKI/P1A(1, 2)/OSC1/CLKIN

Figure 5-5 shows the diagram for this pin. The GP5 pin

is configurable to function as one of the following:

• a general purpose I/O

• a Timer1 clock input

• PWM output, alternate pin(1, 2)

• a crystal/resonator connection

• a clock input

Note 1: Alternate pin function.

2: PIC12F615/617/HV615 only.

FIGURE 5-5:

BLOCK DIAGRAM OF GP5

Data Bus

DQ

WR

WPU

CK Q

RD

WPU

WR

GPIO

DQ

CK Q

WR

TRISIO

DQ

CK Q

RD

TRISIO

RD

GPIO

WR

IOC

DQ

CK Q

RD

IOC

Interrupt-on-

Change

Q S(2)

R

Write ‘0’ to GBIF

From other

GP<4:0> pins

To Timer1

Note 1: Timer1 LP Oscillator enabled.

2: Set has priority over Reset.

INTOSC

Mode

TMR1LPEN(1)

VDD

Weak

GPPU

Oscillator

Circuit

OSC2

VDD

INTOSC

Mode

I/O Pin

VSS

QD

EN

Q1

QD

EN

RD GPIO

 2010 Microchip Technology Inc.

DS41302D-page 51

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