
16
1999 Winbond Electronics Corporation
October 5, 1999
Rev. 0.01
WFP6540B
258-Channel COG Signal Driver for XGA TFT-LCDs
Table 5-2: Input Data vs. Output Voltage
Display Data
LSB
D
4
D
3
D
2
D
1
D
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
MSB
D
5
0
0
0
0
0
0
0
0
0
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Refer.
Voltage
V
0
, V
0
V
0
, V
1
V
0
, V
1
V
0
, V
1
V
0
, V
1
V
0
, V
1
V
0
, V
1
V
0
, V
1
V
1
, V
2
V
1
, V
2
V
1
, V
2
V
1
, V
2
V
1
, V
2
V
1
, V
2
V
1
, V
2
V
1
, V
2
V
2
, V
3
V
2
, V
3
V
2
, V
3
V
2
, V
3
V
2
, V
3
V
2
, V
3
V
2
, V
3
V
2
, V
3
V
3
, V
4
V
3
, V
4
V
3
, V
4
V
3
, V
4
V
3
, V
4
V
3
, V
4
V
3
, V
4
V
3
, V
4
V
4
, V
5
V
4
, V
5
V
4
, V
5
V
4
, V
5
V
4
, V
5
V
4
, V
5
V
4
, V
5
V
4
, V
5
V
5
, V
6
V
5
, V
6
V
5
, V
6
V
5
, V
6
V
5
, V
6
V
5
, V
6
V
5
, V
6
V
5
, V
6
V
6
, V
7
V
6
, V
7
V
6
, V
7
V
6
, V
7
V
6
, V
7
V
6
, V
7
V
6
, V
7
V
6
, V
7
V
7
, V
8
V
7
, V
8
V
7
, V
8
V
7
, V
8
V
7
, V
8
V
7
, V
8
V
7
, V
8
V
7
, V
8
Output
Voltage
V
0
V
0
+ 1/7 x (V
1
- V
0
)
V
0
+ 2/7 x (V
1
- V
0
)
V
0
+ 3/7 x (V
1
- V
0
)
V
0
+ 4/7 x (V
1
- V
0
)
V
0
+ 5/7 x (V
1
- V
0
)
V
0
+ 6/7 x (V
1
- V
0
)
V
1
V
1
+ 1/8 x (V
2
- V
1
)
V
1
+ 2/8 x (V
2
- V
1
)
V
1
+ 3/8 x (V
2
- V
1
)
V
1
+ 4/8 x (V
2
- V
1
)
V
1
+ 5/8 x (V
2
- V
1
)
V
1
+ 6/8 x (V
2
- V
1
)
V
1
+ 7/8 x (V
2
- V
1
)
V
2
V
2
+ 1/8 x (V
3
- V
2
)
V
2
+ 2/8 x (V
3
- V
2
)
V
2
+ 3/8 x (V
3
- V
2
)
V
2
+ 4/8 x (V
3
- V
2
)
V
2
+ 5/8 x (V
3
- V
2
)
V
2
+ 6/8 x (V
3
- V
2
)
V
2
+ 7/8 x (V
3
- V
2
)
V
3
V
3
+ 1/8 x (V
4
- V
3
)
V
3
+ 2/8 x (V
4
- V
3
)
V
3
+ 3/8 x (V
4
- V
3
)
V
3
+ 4/8 x (V
4
- V
3
)
V
3
+ 5/8 x (V
4
- V
3
)
V
3
+ 6/8 x (V
4
- V
3
)
V
3
+ 7/8 x (V
4
- V
3
)
V
4
V
4
+ 1/8 x (V
5
- V
4
)
V
4
+ 2/8 x (V
5
- V
4
)
V
4
+ 3/8 x (V
5
- V
4
)
V
4
+ 4/8 x (V
5
- V
4
)
V
4
+ 5/8 x (V
5
- V
4
)
V
4
+ 6/8 x (V
5
- V
4
)
V
4
+ 7/8 x (V
5
- V
4
)
V
5
V
5
+ 1/8 x (V
6
- V
5
)
V
5
+ 2/8 x (V
6
- V
5
)
V
5
+ 3/8 x (V
6
- V
5
)
V
5
+ 4/8 x (V
6
- V
5
)
V
5
+ 5/8 x (V
6
- V
5
)
V
5
+ 6/8 x (V
6
- V
5
)
V
5
+ 7/8 x (V
6
- V
5
)
V
6
V
6
+ 1/8 x (V
7
- V
6
)
V
6
x 2/8 x (V
7
- V
6
)
V
6
+ 3/8 x (V
7
- V
6
)
V
6
+ 4/8 X (V
7
- V
6
)
V
6
+ 5/8 x (V
7
- V
6
)
V
6
+ 6/8 x (V
7
- V
6
)
V
6
+ 7/8 x (V
7
- V
6
)
V
7
V
7
+ 1/8 x (V
8
- V
7
)
V
7
+ 2/8 x (V
8
- V
7
)
V
7
+ 3/8 x (V
8
- V
7
)
V
7
+ 4/8 x (V
8
- V
7
)
V
7
+5/8 x (V
8
- V
7
)
V
7
+ 6/8 x (V
8
- V
7
)
V
7
+ 7/8 x (V
8
- V
7
)
V
8