PT6554 Datasheet, PDF (5/6 Pages) Princeton Technology Corp – LCD Driver IC

LCD Driver IC
APPLICATION CIRCUIT 3
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URL: http://www.princeton.com.tw
PT6554
Notes:
1. A capacitor must be added to the power line so that both the power supply voltage
(VDD) rise time when power is applied and the power supply voltage (VDD) fall time
when power drops are at least 1 ms.
2. DO is an open-drain output and requires a pull-high resistor between 1kΩ to 10kΩ.
The pull-up resistor value must be appropriate to the capacitor of the external writing so
that the signal wave forms are not degraded.
3. R1=R2=R3, the resistance value must be decide by the LCD panel size.
PT6554 v1.1
-5-
April, 2004