This part is a kind of semiconductor called LCM1602A.

Function of this product has LCD Module.

Manufacturers : Qingyun innovative

Image and pinout :

Some of the text within the PDF file :

北京青云创新公司 字符点阵模块 LCM 1602A Sep 6th, 2004 LCM SPECIFICATIONS (using) LCM MODE: CHARACTER PRODUCTION CODE: LCM1602A REVISION: ver1.1 DATE: 2004/9/6 北京青云创新科技发展有限公司 010-62168698 62168699 www.qingyun-it.com P.1 of 14 北京青云创新公司 字符点阵模块 LCM 1602A PHYSICAL DATA Item LCD type LCD duty LCD bias Viewing direction Module size (W×H×T) Viewing area (W×H) Character format Character size Character pitch Dot size (W×H) Dot pitch (W×H) Contents STN 1/16 1/5 6 84.0 × 44.0 × 10.0/14.0 (with LED) MAX 61.0 × 17.0 5 × 7 Dots with Cursor 2.95 × 5.55 3.55 × 5.95 0.55 × 0.65 0.6 × 0.7 EXTERNAL DIMENSIONS Sep 6th, 2004 Unit --------mm mm dots mm mm mm mm BLOCK DIAGRAM 北京青云创新科技发展有限 [ ... ]

LCM1602A PDF Datasheet Download