How To use Dynamic RAM with 5X devices

Submitted by: TechTools

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This application note covers the use of dynamic RAM (DRAM) with PIC16C5x series PICmicro® MCUs. It presents a circuit using a Motorola 1-Mb x 1 DRAM IC, and a program in TechTools assembly language showing how to refresh, write, and read the DRAM's 1,048,576 bits of storage.