YM1604C Overview
LCD Module User Manual 1.3 Terminal Functions YM1604C Pin Num 1 2 3 Pin Name NC RESET IM Full Name Reset pin Interface mode selection Select pin of Instruction set Register select/Chip select I/O Input Input Descriptions No connection, leave open Initialized to Low Select Interface mode with the MPU. Serial mode, When IM=”High”:4-bit/8-bit bus mode. When IE= “High” , Instruction set is selected as Table 6.