GDM1602B

GDM1602B GDM1602B Features 1. 2. 3. 4. 5. 6. 7. 5x8 dots Built-in controller (S6A0069or equivalent) +5V power supply (also available for =3.0V) 1/16 duty cycle Easy interface with 4-bit or 8-bit MPU BKL to be driven by pin1, pin2, or pin15, pin16 or A, K 16x2 characters SPECIFICATIONS OF LCD MODULE Outline dimension Absolute maximum ratings Item Power voltage Input voltage Operating temperature range Storage temperature range *Wide temperature range is available Symbol VDD-VSS VIN Top Tst -0.3 -0.3 0 -10 Standard Unit 7.0 VDD+0.3 +50 +60 V ℃ (operating/storage temperature as –20~+70/-30~+80℃) Ver:A 1 2006.12.6 www.DataSheet.in GDM1602B Block diagram Interface pin description Pin no. 1 2 3 4 5 6 7~10 11~14 15 16 Symbol VSS VDD V0 RS R/W E DB0~DB3 DB4~DB7 A(LED+) K(LED-) External connection Power supply MPU MPU MPU MPU MPU LED BKL power supply Function Signal ground for LCM (GND) Power supply for logic for LCM Contrast adjust Register select signal Read/write select signal Operation (data read/write) enable signal Four low order bi-directional three-state data bus lines. Used for data transfer between the MPU and the LCM. These four are not used during 4-bit operation. Four high order bi-directional three-state data bus lines. Used for data transfer between the MPU Power supply for BKL (Anode) Power supply for BKL (GND) Contrast adjust VDD~V0: LCD Driving voltage VR: 10k~20k Ver:A 2 2006.12.6 www.DataSheet.in GDM1602B Optical characteristics TN type display mo...