NT7502H-BDT 데이터 시트보기 (PDF) - Novatek Microelectronics
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NT7502H-BDT Datasheet PDF : 54 Pages
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NT7502
Pad Description
Power Supply
Pad No.
Symbol
30 - 33
VDD
10, 16, 26, 53, 71,
77, 81, 91
VDD
34 - 36
VDD2
37 - 40
VSS
7, 13, 25, 29 , 56,
69 - 70, 74, 79, 83
VSS
65 - 66
V0
57 - 58
V1
59 - 60
V2
61 - 62
V3
63 - 64
V4
I/O
Supply
Supply
Supply
Supply
Supply
Supply
Descriptions
2.4 - 3.5V power supply input. These pads must be connected each other
2.4 - 3.5V power supply output for pad option
This is the reference power supply for the step-up voltage circuit for the LCD.
These pads must be connected each other
Ground. These pads must be connected each other
Ground output for pad option
LCD driver supply voltages. The voltage determined by LCD cell is
impedance-converted by a resistive driver or an operation amplifier for
application. Voltages should be according to the following relationship:
V0 ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ VSS
When the on-chip operating power circuit is on, the following voltages
are supplied to V1 to V4 by the on-chip power circuit. Voltage selection is
performed by the Set LCD Bias command.
LCD bias
1/5 bias
1/6 bias
1/7 bias
1/8 bias
1/9 bias
V1
4/5V0
5/6V0
6/7V0
7/8V0
8/9V0
V2
3/5V0
4/6V0
5/7V0
6/8V0
7/9V0
V3
2/5V0
2/6V0
2/7V0
2/8V0
2/9V0
V4
1/5V0
1/6V0
1/7V0
1/8V0
1/9V0
4
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