M Author: AN552 SUMMARY The PIC16CXXX is ideally suited to interface directly to a keypad application.
Built in pull-up resistors and very low current consumption during sleep make it a very good candidate for battery powered remote operations and applications.
Appendix A provides an example of the code.
Performance: Code Size RAM Used 64 words 0 bytes Implementing Wake-up on Key Stroke Stan D’Souza Microchip Technology Inc.
INTRODUCTION Microchip's PIC16CXXX microcontroller family are ideal