HT1632C 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT1632C

32 x 8 & 24 x 16 LED Driver

Holtek Semiconductor 

HT1632C

Functional Description

Display Memory - RAM

The static display memory (RAM) is organized into 64´4

bits or 96´4 bits and is used to store the display data. If

32 ROW & 8 COM is selected, the RAM size is 64´4

bits. If 24 ROW & 16 COM is selected, the RAM size is

96´4 bits. The contents of the RAM are directly mapped

to the contents of the LED driver. If the data in RAM is

set to ²1², the corresponding LED will be lighted. Data in

the RAM can be accessed by the READ, WRITE, and

READ-MODIFY-WRITE commands. The contents of

the RAM can be read or written from bit 0 of the specific

address. The following is a mapping from the RAM to

the LED pattern:

ROW0

ROW1

ROW2

ROW3

ROW4

ROW5

ROW6

ROW7

ROW8

ROW9

ROW10

ROW11

ROW12

ROW13

ROW14

ROW15

ROW16

ROW17

ROW18

ROW19

ROW20

ROW21

ROW22

ROW23

ROW24

ROW25

ROW26

ROW27

ROW28

ROW29

ROW30

ROW31

COM7

D3

COM6

D2

COM5

D1

COM4

COM3

01H

03H

05H

07H

09H

0BH

0DH

0FH

11H

13H

15H

17H

19H

1BH

1DH

1FH

21H

23H

25H

27H

29H

2BH

2DH

2FH

31H

33H

35H

37H

39H

3BH

3DH

3FH

Addr.

D0

D3

Data

COM2

D2

COM1

D1

COM0

00H

02H

04H

06H

08H

0AH

0CH

0EH

10H

12H

14H

16H

18H

1AH

1CH

1EH

20H

22H

24H

26H

28H

2AH

2CH

2EH

30H

32H

34H

36H

38H

3AH

3CH

3EH

Addr.

D0

Data

Rev. 1.20

32 ROW & 8 COM for 64´4 Display RAM

5

June 28, 2011

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