EM65570 ELAN Microelectronics Corp, EM65570 Datasheet - Page 36

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

EM65570
68COM/ 98SEG 65K Color STN LCD Driver
30 x
7.9.2.2 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
ABS=1
ABS=1
LSB
D1
D0 D1 D2 D3
LSB
Figure 7-12a Writing Data to Display RAM with SWAP=0 Selected
D1
D0
Figure 7-12b Writing Data to Display RAM with SWAP=1 Selected
0
0
0
0
D2
D2
D1
SEGAi
0
0
SEGAi
0
0
D3
D3
D2
0
0
0
0
MSB LSB
D4
under 16-Bit (4096 Color) Mode
MSB LSB
under 16-Bit (4096 Color) Mode
D4
D3
0
0
0
0
D7 D8
D4 D5
1
1
D7 D8
D4 D5
1
1
SEGBi
0
0
SEGBi
0
0
(This specification is subject to change without further notice)
D9 D10 D12 D13 D14 D15
D6 D7 D8
0
0
D9 D10 D12 D13 D14 D15
D6 D7 D8
0
0
MSB LSB
MSB LSB
0
0
0
0
Product Specification (V1.0) 09.05.2005
1
1
1
1
D9 D10 D11
SEGCi
D9 D10 D11
1
1
SEGCi
1
1
1
1
1
1
MSB
MSB
1
1
1
1
Gradation control
Display RAM data
MPU write data
X address: nH
i=0 to 97
Gradation control
display RAM data
MPU write data
X address: nH
i=0 to 97