EM65570 ELAN Microelectronics Corp, EM65570 Datasheet - Page 34

• Manufacturer Part Number: EM65570
• Description: 68com / 98seg 65k Color Stn Lcd Driver
• Manufacturer: ELAN Microelectronics Corp

EM65570
68COM/ 98SEG 65K Color STN LCD Driver
28 x
Figure 7-10a Writing Data to Display RAM with SWAP=0 Selected under 16-Bit (65K Color) Mode
Figure 7-10b Writing Data to Display RAM with SWAP=1 Selected under 16-Bit (65K Color) Mode
7.9.1.2 16-Bit Mode
In 16-bit access mode, the weighting for each data bit is dependent on the status of the
SWAP bit that is selected when data is written to the display RAM, as in the case with
the 8-bit access mode.
„ SWAP=0
„ SWAP=1
LSB
D0
1
1
LSB
D0
1
1
D1
0
0
D1
0
0
SEGAi
SEGAi
1
D2
1
D2
1
1
0
D3
0
D3
0
0
D4
MSB LSB
1
1
MSB LSB
D4
1
1
D5 D6 D7
0
0
D5 D6 D7
0
0
0
0
0
0
1
1
SEGBi
1
1
SEGBi
D8
0
0
D8
0
0
D9 D10 D11 D12
(This specification is subject to change without further notice)
0
0
D9 D10 D11 D12
0
0
MSB
1
1
MSB
1
1
LSB
0
0
LSB
0
0
Product Specification (V1.0) 09.05.2005
0
0
0
SEGCi
0
SEGCi
D13 D14
D13 D14
1
1
1
1
0
0
0
0
MSB
D15
MSB
D15
0
0
0
0
Gradation control
Display RAM data
MPU write data
X address: 2nH,2n+1H
Gradation control
Display RAM data
MPU write data
X address: 2nH,2n+1H
i=0 to 97
i=0 to 97