BL55021 - SHANGHAI BELLING

BL55021 LCD driver and control circuit

www.DataSheet4U.com BL55021 LCD BL55021 BL55021 TN/STN ， 128 ， //。 BL55021 ， 3 4 。 ● ● ● ● ● ● ● ● ● ● ● ● ● ● 2.4~ 5.2V 256KHz RC 1/21/31/2 1/3 1/4 32KHz256KHz WDT / 32SEG X 4COMLCD 32 x 4RAM 3/4 LCD VLCDLCD BL550xx COM SEG RC BL55021 4 32 + + BL55022 8 32 + BL55066 4 24 BL55076 4 40 - http://www.belling.com.cn -1- 8/11/2006 Wrote b.

Features

1723 64 DOT1 1912 164 DOT0 1912 284 CS 1912 404 Tread 1917 524 CPW 1917 778.5 DI 1917 951.5 PAD 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 NAME VSS CPO CPI VLCD VDD TIS TB1 TB2 ROW0 ROW1 ROW2 ROW3 DOT31 DOT30 DOT29 DOT28 X Y 1917 1113 1917 1232.5 1917 1490 1917.5 1610 1912 1801 1445 1801 1269.5 1801 1149.5 1801 974 1801 854 1801 734 1801 614 1801 494 1801 374 1801 254 1801 134 1801 PAD (X,Y) PAD ,IC ：2.09 x 1.98 mm http://www.belling.com.cn -2- 8/11/2006 Wrote by 2006 Total 8 Pages BL55021 9 10 11 12 13 14,15 16 17 18 19,20 21~24 1~8、25~48 CS TREAD CPW DI Vss CPO,CPI Vlcd Vdd.