NT7702 데이터 시트보기 (PDF) - Novatek Microelectronics
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NT7702 Datasheet PDF : 38 Pages
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NT7702
2. LCD Driver Output Voltage Level
The relationship amongst the data bus signal, AC converted signal FR and LCD driver output voltage is as shown in the table
below:
2.1. Segment Mode
FR
Latch Data
DISPOFF
Driver Output Voltage Level (Y1 - Y240)
L
L
H
V43
L
H
H
V5
H
L
H
V12
H
H
H
V0
X
X
L
V5
Here, VSS ≤ V5 < V43 < V12 < V0, H: VDD (+2.5 to +5.5V), L: VSS (0V), X: Don't care
2.2. Common Mode
FR
Latch Data
DISPOFF
Driver Output Voltage Level (Y1 - Y240)
L
L
H
V43
L
H
H
V0
H
L
H
V12
H
H
H
V5
X
X
L
V5
Here, VSS ≤ V5 < V43 < V12 < V0, H: VDD (+2.5 to +5.5V), L: VSS (0V), X: Don't care
Note: There are two kinds of power supply (logic level voltage, LCD driver voltage) for the LCD driver. Please supply regular
voltage which assigned by specification for each power pin.
That time "Don't care" should be fixed to "H" or "L", avoiding floating.
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