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PT6312 V2.6

- 6 -

December, 2005

VFD Driver/Controller IC

PT6312

Display Mode and RAM Address

Data transmitted from an external device to PT6312 via the serial interface are stored in the Display

RAM and are assigned addresses. The RAM Addresses of PT6312 are given below in 8 bits unit.

SG1

SG4

SG5

SG8

SG9

SG12

SG13

SG16

00HL

00HU

01HL

01HU

DIG1

02HL

02HU

03HL

03HU

DIG2

04HL

04HU

05HL

05HU

DIG3

06HL

06HU

07HL

07HU

DIG4

08HL

08HU

09HL

09HU

DIG5

0AHL

0AHU

1BHL

1BHU

DIG6

1CHL

1CHU

0DHL

0DHU

DIG7

1EHL

1EHU

1FHL

1FHU

DIG8

10HL

10HU

11HL

11HU

DIG9

12HL

12HU

13HL

13HU

DIG10

14HL

14HU

15HL

15HU

DIG11

-

b0

b3

b4

b7

xxHL

xxHU

Lower 4 bits

Higher 4 bits