This part is a kind of semiconductor called pg12232a.

Function of this product has LCD_Module.

Manufacturers : POWERTIP

Image and pinout :

Some of the text within the PDF file :

PG 12232-A OUTLINE DIMENSION & BLOCK DIAGRAM 84.0 0.5 76.0 P2.54 x 19=48.26 1.8 1 20- 1.0 20 44.0 0.5 4.0 10.2 2- 2.5 2.6 H1 2.0 4- 1.0 H2 15.64 27.4 18.5 K 20.5 6.8 13.0 15.0 122 x 32 Dots 36.0 A 2-R1.25 9.15 42.0 DB0~DB7 CS1 R/W Ao CL Vss Vdd Vee E RSE CS2 53.64 60.5 65.7 79.0 LCD DRIVER 1 COM 16 COM 16 LCD PANEL SEG 61 LCD DRIVER 2 A K The tolerance unless classified Overall Size View Area Dot Size Dot Pitch 84.0 x 44.0 60.5 x 18.5 0.40 x 0.45 0.44 x 0.49 PIN ASSIGNMENT Pin no. Symbol Vss 1 2 Vdd 3 Vo 4 A0 5 CS1 CS2 6 7 CL 8 E 9 R/W 10-17 DB0-DB7 18 RES A 19 K 20 Function Power supply(GND) Power supply(+) Contrast Adjust Command / data input Chip select driver 1 Chip select driver 2 External clock input Enable singnal Data read / write Data bus line Reset Power [ ... ]

pg12232a PDF Datasheet Download