This part is a kind of semiconductor called GDM1602K.

Function of this product has 5x8 dots LCD Module.

Manufacturers : XIAMEN OCULAR

Image and pinout :

Some of the text within the PDF file :

GDM1602K Features 1. 5x8 dots with cursor 2. Built-in controller (KS0066U or equivalent) 3. Easy interface with 4-bit or 8-bit MPU 4. +5V power supply (also available for =3.0V) 5. 1/16 duty cycle 6. N.V. optional 7. BKL to be driven by pin1, pin2, or pin15, pin16 or A, K Outline dimension SPECIFICATIONS OF LCD MODULE EL BKL/ or without BKL LED BKL Absolute maximum ratings Item Symbol Power voltage VDD-VSS Input voltage VIN Operating temperature range VOP Storage temperature range VST *Wide temperature range is available (operating/storage temperature as –20~+70/-30~+80 Display Pattern Standard 0 - 7.0 VSS - VDD 0 - +50 -20 - +60 Unit V GDM1602K Block diagram Interface pin 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 [ ... ]

GDM1602K PDF Datasheet Download