PT6530

V1.3

2

June 2010

CONTENTS

1. APPLICATION CIRCUITS............................................................................................................................................. 3

1.1 1/3 DUTY 1/2 BIAS (FOR NORMAL PANEL USE)............................................................................................... 3

1.2 1/3 DUTY 1/2 BIAS (FOR LARGE PANEL USE)...................................................................................................4

1.3 1/3 DUTY 1/3 BIAS (FOR NORMAL PANEL USE)................................................................................................5

1.4 1/3 DUTY 1/3 BIAS (FOR LARGE PANEL USE)...................................................................................................6

1.5 1/4 DUTY 1/2 BIAS (FOR NORMAL PANEL USE)................................................................................................7

1.6 1/4 DUTY 1/2 BIAS (FOR LARGE PANEL USE)...................................................................................................8

1.7 1/4 DUTY 1/3 BIAS (FOR NORMAL PANEL USE)................................................................................................9

1.8 1/4 DUTY 1/3 BIAS (FOR LARGE PANEL USE).................................................................................................10

2. ORDER INFORMATION................................................................................................................................................11

3 PIN CONFIGURATION .................................................................................................................................................11

4. PIN DESCRIPTION.......................................................................................................................................................12

5. INPUT/OUPUT CONFIGURATIONS ............................................................................................................................13

6. FUNCTION DESCRIPTION ..........................................................................................................................................14

6.1 SERIAL DATA INPUT ..........................................................................................................................................14

6.2 CONTROL DATA .................................................................................................................................................18

6.3 DISPLAY DATA AND OUTPUT PI CORRESPONDENCE..................................................................................20

6.4 SERIAL DATA OUTPUT ......................................................................................................................................23

6.5 OUTPUT DATA ....................................................................................................................................................24

6.6 SLEEP MODE ......................................................................................................................................................24

6.7 KEY SCAN OPERATION FUNCTIONS...............................................................................................................25

6.8 MULTIPLE KEY PRESSES..................................................................................................................................26

6.9 1/3 DUTY, 1/2 BIAS DRIVE TECHNIQUE ...........................................................................................................27

6.10 1/3 DUTY, 1/3 BIAS DRIVE TECHNIQUE .........................................................................................................28

6.11 1/4 DUTY, 1/2 BIAS DRIVE TECHNIQUE .........................................................................................................29

6.12 1/4 DUTY, 1/3 BIAS DRIVE TECHNIQUE .........................................................................................................30

6.13 VOLTAGE DETECTION TYPE RESET CIRCUIT (VDET) ................................................................................31

6.14 POWER SUPPLY SEQUENCE .........................................................................................................................31

6.15 SYSTEM RESET................................................................................................................................................31

6.16 NOTE ON TRANSFERRING DISPLAY DATA FROM THE CONTROLLER.....................................................34

6.17 NOTE ON THE CONTROLLER KEY DATA READ TECHNIQUES ..................................................................35

7. ABSOLUTE MAXIMUM RATINGS................................................................................................................................38

8. ALLOWABLE OPERATING RANGES..........................................................................................................................38

9. ELECTRICAL CHARACTERISTICS.............................................................................................................................39

10. PACKAGE INFORMATION .........................................................................................................................................41

IMPORTANT NOTICE .......................................................................................................................................................42

REVISION HISTORY.........................................................................................................................................................43