BC204A
Overview
VSS 0V Logic ground. 2 VDD +5.0V Logic voltage input. 3 4 5 6 7~14 15 V0 RS R/W E DB0~DB7 LED+ -H/L H/L H/L H/L +5.0V LCD module display the best contrast adjusting input. Select registers. 0: Instruction register (for write) Busy flag:address counter (for read) 1: Data register (for write and read) Select read or write. 0: Write 1: Read Enable signal. 8-BIT data bus, Used for data transfer and receive between the MPU and the ST7066U.
