PT6314

V1.5

2

October 2009

CONTENTS

1.

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

1.1 SERIAL INTERFACE ........................................................................................................................................... 3

1.2 i80 INTERFACE ................................................................................................................................................... 3

1.3 M68 INTERFACE ................................................................................................................................................. 4

2.

ORDER INFORMATION........................................................................................................................................... 5

3.

PIN CONFIGURATION............................................................................................................................................. 5

4.

PIN DESCRIPTION................................................................................................................................................... 6

4.1 DUTY RATIO SETTING ....................................................................................................................................... 8

4.2 SEGMENT SETTING ........................................................................................................................................... 8

4.3 VFD DISPLAY .................................................................................................................................................... 14

5.

FUNCTION DESCRIPTION.................................................................................................................................... 15

5.1 BLOCK FUNCTIONS ......................................................................................................................................... 15

5.2 DISPLAY DATA RAM (DDRAM) ........................................................................................................................ 16

5.3 CHARACTER GENERATOR ROM (CGROM) .................................................................................................. 18

5.4 CHARACTER GENERATOR RAM (CGRAM) ................................................................................................... 18

5.5 TIMING GENERATION CIRCUIT ...................................................................................................................... 19

5.6 VFD DRIVER CIRCUIT ...................................................................................................................................... 19

5.7 CURSOR/BLINK CONTROL CIRCUIT .............................................................................................................. 19

5.8 CPU INTERFACE (DATA TRANSFER)............................................................................................................. 20

6.

INSTRUCTIONS ..................................................................................................................................................... 23

6.1 “CLEAR DISPLAY” INSTRUCTION ................................................................................................................... 23

6.2 “CURSOR/ HOME” INSTRUCTION .................................................................................................................. 24

6.3 “ENTRY MODE” INSTRUCTION ....................................................................................................................... 24

6.4 “DISPLAY ON/OFF” INSTRUCTION.................................................................................................................. 25

6.6 “FUNCTION SET” I INSTRUCTION................................................................................................................... 26

6.7 “CGRAM ADDRESS SET” INSTRUCTION ....................................................................................................... 27

6.8 “DDRAM ADDRESS SET INSTRUCTION ........................................................................................................ 27

6.9 “READ BUSY FLAG AND ADDRESS” INSTRUCTION .................................................................................... 27

6.10 “WRITE DATA TO CGRAM OR DDRAM” INSTRUCTION .............................................................................27

6.11 “READ DATA FROM CGRAM OR DDRAM” INSTRUCTION ......................................................................... 28

6.12 POWER ON RESET......................................................................................................................................... 28

6.13 CGRAM STROKE FLOWCHART .................................................................................................................... 29

6.14 DDRAM STROKE FLOWCHART .................................................................................................................... 29

7.

ABSOLUTE MAXIMUM RATINGS ......................................................................................................................... 30

8.

RECOMMENDED OPERAING RANGE ................................................................................................................. 30

9.

ELECTRICAL CHARACTERISTICS....................................................................................................................... 31

10. SWITCHING CHARACTERISTICS ........................................................................................................................ 31

11. SWITCHING TIMING.............................................................................................................................................. 32

11.1 TIMING 1 REQUIREMENTS............................................................................................................................ 32

11.2 TIMING 2 REQUIREMENTS............................................................................................................................ 34

11.3 TIMING 3 REQUIREMENTS............................................................................................................................ 35

11.4 TIMING 4 REQUIREMENTS............................................................................................................................ 36

12. FONT TABLE .......................................................................................................................................................... 37

12.1 ENGLISH/JAPANESE CHARACTER FONT TABLE (PT6314-001) ............................................................... 37

12.2 ENGLISH /EUROPEAN CHARACTER FONT TABLE (PT6314-002) ............................................................. 38

12.3 UROPEAN CHARACTER FONT TABLE (PT6314-007) ................................................................................. 39

12.4 JAPANESE CHARACTER FONT TABLE (PT6314-008) ................................................................................ 40

13. PACKAGE INFORMATION .................................................................................................................................... 41

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