S6B33A2 Datasheet, PDF (26/67 Pages) Samsung semiconductor – 128 RGB Segment & 129 Common Driver For 4,096 Color STN LCD

S6B33A2 PRELIMINARY VER 1.3 128 RGB SEGMENT & 129 COMMON DRIVER FOR 4,096 COLOR STN LCD
SWP=1
SEGAi
SEGBi
* i = 0 to 127
SEGCi
Gray Scale control
RAM
DATA ^D0
D1 D2
D3
Gray Scale control
D4 D5 D6 D7
Gray Scale control
D8 D9 D10 D11
MPU I/F
DATA[11:0] _R3
R2 R1
R0 G3 G2 G1 G0 B3 B2 B1
B0
SWP=0
SEGAi
SEGBi
* i = 0 to 127
SEGCi
RAM
DATA
Gray Scale control
D0 D1 D2 D3
Gray Scale control
D4 D5 D6 D7
Gray Scale control
D8 D9 D10 D11
MPU I/F
DATA[11:0] ^{R3 R2 R1 R0 G3 G2 G1 G0 B3 B2 B1 B0}
SWP = 0
SWP = 1
SEGAi
SEGBi
SEGCi
RED
GREEN
BLUE
D11 ~ D8
D7 ~ D4
D3 ~ D0
BLUE
GREEN
RED
D3~ D0
D7 ~ D4
D11 ~ D8
Figure 21. The relationship between SEG outputs and RGB color
Color
Assigned Bit
Color
Assigned Bit
22