This part is a kind of semiconductor called QY-12864.

Function of this product has LCD Module.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

Pin Configuration Pin 1 2 3 4 5 6 7..14 15 16 17 18 19 20 Simbol VSS VDD VO D/I R/W E DB0..DB7 CS1 CS2 RESET VEE LED_A LED_K Description Power Supply ( VSS =0) Power Supply ( VDD=5V±10%), 5.5V maximum(25°C) Operating voltage for LCD(variable) H:Data L:Instruction Code Read / Write Enable trigger Data bus Chip Select 1 Chip Select 2 Controller reset Supply voltage for LCD Drive (VDD‐VEE=15V Maximum) Backlight anode Backlight cathode [ ... ]

QY-12864 PDF Datasheet Download