The PICmicro™ families of RISC microcontrollers are designed to provide advanced performance and a cost-effective solution for a variety of applications. To address these applications, there is the PIC16CXXX microcontroller family of products. This family has numerous peripheral and special features to better address user applications. M Using the PORTB Interrupt on Change as an External Interrupt AN566 USING A PORTB INPUT FOR AN Author: Mark Palmer Microchip Technology Inc. EXTERNAL INTERRUPT The interrupt source(s) cannot simply be directly INTRODUCTION connected to the PORTB pins, and expect an interrupt to occur the same as on the interrupt (INT) pin. To The PICmicro families of RISC microcontrollers are develop the microcontro……