STE2001 Datasheet, PDF (23/36 Pages) STMicroelectronics – 65 X 128 SINGLE CHIP LCD CONTROLLER / DRIVER

STE2001
Table 6.
BS2 BS1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
BS0
DESCRIPTIO N
0 Bias Ratio equal to 7
1 Bias Ratio equal to 6
0 Bias Ratio equal to 5
1 Bias Ratio equal to 4
0 Bias Ratio equal to 3
1 Bias Ratio equal to 2
0 Bias Ratio equal to 1
1 Bias Ratio equal to 0
RESET STATE
000
Figure 24. Application Schematic Using an External LCD Voltage Generator
V_DD
100nF
V_SS
1µF
V_LCD
I/O
VDD2,3
VDD1
VSS2
VSS1
VLCDSENSE
VLCDOUT
VLCDIN
32
65 x 128
128
DISPLAY
33
D00IN1157
Figure 25. Application Schematic using the Internal LCD Voltage Generator and two separate supplies
I/O
V_DD2
V_DD1
VDD2,3
VDD1
100nF
V_SS
1µF
100nF
VSS2
VSS1
VLCDSENSE
VLCDOUT
VLCDIN
32
65 x 128
128
DISPLAY
33
D00IN1158
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