Tutorial 13: Timer1 Asynchronous Clock Mode

Microchip application note AN550 describes the use of Timer1 and as asynchronous Clock. The PIC16F877 has an internal oscillator circuit which when can be configured to run

Download FEATURE877_Tutorial13.zip and unzip into folder <your path>\Tutorial 13

Filename Version Description
tut13.pjt 1.0 MPLAB Project
tut13.asm 1.0 PIC16F877 Assembler code
tut13.hex 1.0 Precompiled HEX
tut13.lst 1.0 Precompiled LST
tut13.vbb 1.0 Virtual Breadboard simulation

 

Description

Demonstrates

Timer1 Interrupt

Timer1 Overflow Interrupt

Timer1 Register Load

Timer1 PreScalar

Timer1 Internal Oscillator Circuitry

Wakeup from Sleep