LC75847T Datasheet, PDF (11/27 Pages) Sanyo Semicon Device – 1/3, 1/4 Duty General-Purpose LCD Driver

LC75847T
Serial Data Transfer Example
1. 1/3 duty
x When 214 or more segments are used
All 384 bits of serial data must be sent.
8 bits
1 0 1 0 0 0 0 1 D1
B0 B1 B2 B3 A0 A1 A2 A3
128 bits
D104 D105 D106 D107 D108 0 0 0 0 0 0 P0 P1 P2 P3 CT0 CT1 CT2 DR DT FC SC BU 0 0
1 0 1 0 0 0 0 1 D109
B0 B1 B2 B3 A0 A1 A2 A3
D212 D213 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 1 0 0 0 0 1 D214
B0 B1 B2 B3 A0 A1 A2 A3
D317 D318 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
y When fewer than 214 segments are used
Either 128 or 256 bits of serial data may be sent, depending on the number of segments used. However, the serial data
shown below (the D1 to D108 display data and the control data) must be sent.
8 bits
1 0 1 0 0 0 0 1 D1
B0 B1 B2 B3 A0 A1 A2 A3
128 bits
D104 D105 D106 D107 D108 0 0 0 0 0 0 P0 P1 P2 P3 CT0 CT1 CT2 DR DT FC SC BU 0 0
2. 1/4 duty
x When 317 or more segments are used
All 512 bits of serial data must be sent.
8 bits
1 0 1 0 0 0 0 1 D1
B0 B1 B2 B3 A0 A1 A2 A3
128 bits
D104 D105 D106 D107 D108 0 0 0 0 0 0 P0 P1 P2 P3 CT0 CT1 CT2 DR DT FC SC BU 0 0
1 0 1 0 0 0 0 1 D109
B0 B1 B2 B3 A0 A1 A2 A3
D212 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 1 0 0 0 0 1 D213
B0 B1 B2 B3 A0 A1 A2 A3
D316 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
1 0 1 0 0 0 0 1 D317
B0 B1 B2 B3 A0 A1 A2 A3
D420 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
y When fewer than 317 segments are used
Either 128, 256 or 384 bits of serial data may be sent, depending on the number of segments used. However, the serial
data shown below (the D1 to D108 display data and the control data) must be sent.
8 bits
1 0 1 0 0 0 0 1 D1
B0 B1 B2 B3 A0 A1 A2 A3
128 bits
D104 D105 D106 D107 D108 0 0 0 0 0 0 P0 P1 P2 P3 CT0 CT1 CT2 DR DT FC SC BU 0 0
No. 7389-11/27