LC75843UGA Datasheet, PDF (8/35 Pages) ON Semiconductor – Duty General-Purpose LCD Driver

Serial Data Input
1. 1/4 duty
(1) When CL is stopped at the low level
LC75843UGA
CE
CL
DI 0 0 1 0 0 0 1 0 D1 D2
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
8 bits
D85 D86 D87 D88 D89 D90 D91 D92 D93 D94 D95 D96 D97 D98 D99 D100 0 0 0 0 0 0 0 0 DT0 DT1 0 1
Display data
100 bits
Control data
10 bits
DD
2 bits
0 0 1 0 0 0 1 0 W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35 0 0 0 0
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
8 bits
Control data
18 bits
Fixed data
4 bits
PF0 PF1 PF2 PF3 PS10 PS11 PS20 PS21 PS30 PS31 PS40 PS41 P0 P1 P2 FC0 FC1 FC2 FC3 DN EXF OC SC BU 1 0
Control data
24 bits
DD
2 bits
Note: DD is the direction data
• CCB address ................................................ “44H”
• D1 to D100 .................................................. Display data
• DT0, DT1 .................................................... 1/1-duty to 1/4-duty drive switching control data
• W 10 to W15, W20 to W25, W30 to W35 ... PWM data of the PWM output
• PF0 to PF3 ................................................... PWM output waveform frame frequency setting control data
• PS10, PS11 to PS40, PS41 .......................... General-purpose output port (P1 to P4) function setting control data
• P0 to P2 ....................................................... Segment output port/general-purpose output port switching control data
• FC0 to FC3 .................................................. Common/segment output waveform frame frequency setting control data
• DN ............................................................... S28 pin state setting control data
• EXF ............................................................. External clock operating frequency setting control data
• OC ............................................................... Internal oscillator operating mode/external clock operating mode
switching control data
• SC ................................................................ Segment on/off control data
• BU ............................................................... Normal mode/power-saving mode control data
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