ST7066U View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
'ST7066U' PDF : 42 Pages View PDF
ST7066U
n Supply Voltage for LCD Drive
There are different voltages that supply to ST7066U’s pin (V1 - V5) to obtain LCD drive waveform. The relations
of the bias, duty factor and supply voltages are shown as below:
Supply Voltage
V1
V2
V3
V4
V5
Duty Factor
1/8, 1/11
1/16
Bias
1/4
1/5
Vcc - 1/4VLCD
Vcc - 1/2VLCD
Vcc - 1/2VLCD
Vcc - 3/4VLCD
Vcc - VLCD
Vcc - 1/5VLCD
Vcc - 2/5VLCD
Vcc - 3/5VLCD
Vcc - 4/5VLCD
Vcc- VLCD
VCC(+5V)
VCC
V1
V2
V3
V4
V5
1/4 bias
(1/8, 1/11 duty cycle)
R
R
VLCD
R
R
VR
-5V
VCC
V1
V2
V3
V4
V5
1/5 bias
(1/16 duty cycle)
VCC(+5V)
R
R
VLCD
R
R
VR
-5V
V2.2
29/42
2006/05/11
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