PT6584 Datasheet, PDF (25/42 Pages) Princeton Technology Corp – LCD Driver IC

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LCD Driver IC
OUTPUT PIN STATES DURING THE RESET PERIOD
PT6584
Output Pin
S1/P1 to S4/P4
S5 to S53
COM1 to COM4
KS1/S54. KS2/S55
KS3 to KS5
KS6
DO
State during Reset
L (Note 2)
L
L
L (Note 2)
X (Note 3)
H
H (Note 4)
Notes:
1. X=Don’t care
2. These output pins are forcibly set to the segment output function and held low.
3. When power is first applied, these output pins are undefined until the S0 and S1 control data bits
have been transferred.
4. Since this output pin is an open-drain output, a pull-up resistor of between 1 and 10KΩ is required.
This pin remains high during the reset period even if a key data read operation is performed.
PT6584 V1.1
- 25 -
August, 2006