GDM1602K Description
Pin no. 1 2 3 4 5 6 7~10 Symbol VSS VDD V0 RS R/W E DB0~DB3 11~14 15 16 DB4~DB7 LED+ LED- Contrast adjust External connection Power supply MPU MPU MPU MPU MPU LED BKL power supply Function Signal ground for LCM (GND) Power supply for logic (+5V) for LCM.