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BL55022 Dataheets PDF



Part Number BL55022
Manufacturers SHANGHAI BELLING
Logo SHANGHAI BELLING
Description LCD driver and control circuit
Datasheet BL55022 DatasheetBL55022 Datasheet (PDF)

www.DataSheet4U.com BL55022 LCD BL55022 BL55022 TN/STN , 256 , //。 BL55022 , 3 4 。 ● 2.4~ 5.2V ● 256KHz RC ● 1/4,1/8 ● ● ● WDT ● ● 32 x 8 LCD ● 32 x 8 RAM ● 3/4 ● LCD ● ● ● VLCD LCD BL550XX COM SEG 1 3 4 5 6 7 8 9 10 11、13 17,18,20~25 26~32, 36~48,53~64 2,12,14,15,16,19,33,34,35,49,50, 51,52 http://www.belling.com.cn BL55021 4 32 BL55022 8 32 BL55066 4 24 BL55076 4 40 CS READ CPW DI Vss CPI Vdd Vlcd TIS TB1、TB2 Row1~Row8 Dot0~Dot31 NC -1- LCD , , 8/11/2.

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www.DataSheet4U.com BL55022 LCD BL55022 BL55022 TN/STN , 256 , //。 BL55022 , 3 4 。 ● 2.4~ 5.2V ● 256KHz RC ● 1/4,1/8 ● ● ● WDT ● ● 32 x 8 LCD ● 32 x 8 RAM ● 3/4 ● LCD ● ● ● VLCD LCD BL550XX COM SEG 1 3 4 5 6 7 8 9 10 11、13 17,18,20~25 26~32, 36~48,53~64 2,12,14,15,16,19,33,34,35,49,50, 51,52 http://www.belling.com.cn BL55021 4 32 BL55022 8 32 BL55066 4 24 BL55076 4 40 CS READ CPW DI Vss CPI Vdd Vlcd TIS TB1、TB2 Row1~Row8 Dot0~Dot31 NC -1- LCD , , 8/11/2006 Wrote by 2006 Total 7 Pages BL55022 VDD VIL Topr Tstg -0.3~5.5 Vss-0.3~ VDD +0.3 -40~ +85 -50~ +125 -2- V V o C o C 8/11/2006 Wrote by 2006 http://www.belling.com.cn Total 7 Pages BL55022 (, Ta=25 C) Vdd IDD1 IDD2 ISTB Vil Vih Rph VDD ---3V 5V 3V 5V 3V 5V 5V 5V 5V ---/LCD RC /LCD RC C、DI、CPW C、DI、CPW DI 2.7 ---------------0 4.0 50 ---80 135 8 20 1 2 5.2 210 415 30 55 8 16 1.0 5 150 V uA uA uA V V kΩ o 100 (, Ta=25oC) VDD 3V 5V 3V 5V 3V 5V 3V 5V 3V 5V 3V 5V RC RC RC 50% C 22 24 ------44 44 ---------------3.34 1.67 --------------- 32 32 32 32 64 64 64 64 ------250 ------120 120 120 100 100 40 40 ------80 80 ------150 300 ------------------------ kHz kHz Hz Hz kHz ns us ns ns ns ns ns Fsys1 Fsys2 Flcd1 Flcd2 Fclk Tc Tclk Tr,Tf Tsu Th Tsu1 Th1 LCD LCD DI DI C C http://www.belling.com.cn -3- 8/11/2006 Wrote by 2006 Total 7 Pages BL55022 RAM RAM RAM 64 x 4RAMLCD 。 RAM BL55022,BL55022LCD 。BL55022,100 , 、、LCD 、。LCD BL55022,101。 。,100, 。,CS1 , 。CS0 ,。 BL55022 , C BL55022。CS1 ,BL55022 .,BL55022 。DI /,DI。CPW ,CPWDIBL55022。 http://www.belling.com.cn -4- 8/11/2006 Wrote by 2006 Total 7 Pages BL55022 WRITE CORRECT TOUTPUT SYS DIS SYS EN LCD OFF LCD ON Timer DIS WDT DIS Timer EN WDT EN CLR Timer CLR WDT XTAL CLK RC CLK EXT CLK TB OFF TB ON TB 4096 TB 2048 TIS DIS TIS EN Timer 1 Timer 2 Timer 4 Timer 8 Timer 16 Timer 32 101-A5-A4-A3-A2-A1-A0-D0-D1-D2-D3 101-A5-A4-A3-A2-A1-A0-D0-D1-D2-D3 110-A5-A4-A3-A2-A1-A0-D0-D1-D2-D3 10000000000-X 10000000001-X 10000000010-X 10000000011-X 10000000100-X 10000000101-X 10000000110-X 10000000111-X 100000011-XXX 1000000111-XX 100000101-XXX 100000110-XXX 100000111-XXX 10000001000-X 10000001001-X 100010-XXXXXX 100011-0XXXXX 100100-X0XXXX 100100-X1XXXX 100101-X0000-X 100101-X0001-X 100101-X0010-X 100101-X0011-X 100101-X0100-X 100101-X0101-X -5- RAM RC TB TB TB 4K TB 2K TIS TIS 1Hz 2Hz 4Hz 8Hz 16Hz 32Hz √ √ √ √ √ http://www.belling.com.cn 8/11/2006 Wrote by 2006 Total 7 Pages BL55022 Timer 64 Timer 128 TEST COMMON 100101-X0110-X 100101-X0111-X 10011100000-X 10011100011-X 64Hz 128Hz √ √ X: A5~A0:RAM D0~D3:RAN Vlcd Vdd, VR LCD 。 http://www.belling.com.cn -6- 8/11/2006 Wrote by 2006 Total 7 Pages BL55022 QFP64(14x20) http://www.belling.com.cn -7- 8/11/2006 Wrote by 2006 Total 7 Pages .


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