PT6552 Datasheet, PDF (8/22 Pages) Princeton Technology Corp – ½ Duty LCD Driver with On-Chip Key Input Function

SERIAL DATA OUTPUT
WHEN STOPPED WITH CLK AT THE LOW LEVEL
PT6552
WHEN STOPPED WITH CLK AT THE HIGH LEVEL
CCB address: 43H
KD1 to KD30: Key data
SA: Sleep acknowledge data
Note: If key data is read when DO is high, the key data (KD1 to KD30) and sleep acknowledge data (SA) will be invalid.
V1.3
8
July 2010