EM65570
68COM/ 98SEG 65K Color STN LCD Driver
7.9.3 Gradation Mode (256 Color)
7.9.3.1 8-Bit Mode
SWAP=0
SEGAi
SEGBi
SEGCi
i=0 to 97
Gradation control
display RAM data
0
0
0
1
0
0
1
1
1
Gradation
LSB circuit
MSB
LSB
MSB
LSB
MSB
MPU write data
X address: nH
0
0
1
0
0
1
1
1
D0
D1
D2
D3
D4
D5
D6
D7
Figure 7-13a Writing Data to Display RAM with SWAP=0 Selected under 8-Bit (256 Color) Mode
SWAP=1
SEGAi
SEGBi
SEGCi
i=0 to 97
Gradation Control
Display RAM data
0
1
1
1
0
0
1
0
0
Gradation LSB
circuit
MSB
LSB
MSB
LSB
MSB
MPU writedata
X address: nH
1
1
1
0
0
1
0
0
D0
D1
D2
D3
D4
D5
D6
D7
Figure 7-13b Writing Data to Display RAM with SWAP=1 Selected under 8-Bit (256 Color) Mode
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
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ELAN [ ELAN MICROELECTRONICS CORP ]
