LC75829PE Datasheet, PDF (12/22 Pages) Sanyo Semicon Device – 1/4 and 1/3-Duty General-Purpose LCD Display Driver

LC75829PE, 75829PW
Serial Data Transfer Example
1. 1/4 duty
• When 153 or more segments are used
All 288 bits of serial data must be sent.
8 bits
72 bits
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D1 D2
D47 D48 D49 D50 D51 D52 0 0 0 0 PS10 PS11 EXF P0 P1 P2 DT DN FC0 FC1 FC2 OC SC BU 0 0
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D53 D54
D99 D100 D101 D102 D103 D104 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D105 D106
D151 D152 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D153 D154
D199 D200 D201 D202 D203 D204 D205 D206 D207 D208 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
• When fewer than 153 segments are used
Either 72, 144, or 216 bits of serial data must be sent, depending on the number of segments to be used.
However, the serial data shown below (the D1 to D52 display data and the control data) must always be sent.
8 bits
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D1 D2
72 bits
D47 D48 D49 D50 D51 D52 0 0 0 0 PS10 PS11 EXF P0 P1 P2 DT DN FC0 FC1 FC2 OC SC BU 0 0
2. 1/3 duty
• When 109 or more segments are used
All 216 bits of serial data must be sent.
8 bits
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D1 D2
72 bits
D47 D48 D49 D50 D51 D52 D53 D54 0 0 PS10 PS11 EXF P0 P1 P2 DT DN FC0 FC1 FC2 OC SC BU 0 0
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D55 D56
D101 D102 D103 D104 D105 D106 D107 D108 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D109 D110
D155 D156 D157 D158 D159 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
• When fewer than 109 segments are used
Either 72, or 144 bits of serial data must be sent, depending on the number of segments to be used.
However, the serial data shown below (the D1 to D54 display data and the control data) must always be sent.
8 bits
10000010
B0 B1 B2 B3 A0 A1 A2 A3
D1 D2
72 bits
D47 D48 D49 D50 D51 D52 D53 D54 0 0 PS10 PS11 EXF P0 P1 P2 DT DN FC0 FC1 FC2 OC SC BU 0 0
No.A1462-12/22