PT6315 Datasheet, PDF(7/26 Page) Princeton Technology Corp

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PT6315 Datasheet, PDF (7/26 Pages) Princeton Technology Corp – VFD Driver/Controller IC

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VFD Driver/Controller IC

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PT6315

Display Mode and RAM Address

Data transmitted from an external device to PT6315 via the serial interface are stored in the

Display RAM and are assigned addresses. The RAM Addresses of PT6315 are given below in 8

bits unit.

SG1 SG4 SG5 SG8 SG9 SG12 SG13 SG16 SG17 SG20 SG21 SG24

00H L

03H L

06H L

09H L

0 C HL

0 F HL

12HL

15HL

18HL

1BHL

1EH L

21H L

00H U

03H U

06H U

09H U

0CHU

0FH U

12H U

15H U

18H U

1BH U

1EHU

21H U

01H L

04H L

07H L

0AHL

0DHL

10HL

13HL

16HL

19HL

1 C HL

1FH L

22H L

01HU

04HU

07HU

0AH U

0DH U

10H U

13H U

16H U

19H U

1 C HU

1FHU

22HU

02H L

05H L

08H L

0BH L

0EH L

11H L

14H L

17H L

1 A HL

1 D HL

20H L

23H L

02HU

05HU

08HU

0BHU

0EH U

11HU

14H U

17H U

1AHU

1DHU

20HU

23HU

DIG1

DIG2

DIG3

DIG4

DIG5

DIG6

DIG7

DIG8

DIG9

DIG10

DIG11

DIG12

b3 b4

xxHL

xxHU

Lower 4 bits Higher 4 bits

Figure 4: PT6315 RAM Address

PT6315 v2.0

Page 7

Sep. 2002

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