SCDQ5541P/Q/R, SCDQ5542P/Q/R, SCDQ5543P/Q/R, SCDQ5544P/Q/R

2010-04-13

13

Loading Data into the Display

Use following procedure to load data into the display:

1.

Power up the display.

2.

Step A: software clear the display.

3.

Step B: Load the Control Word with the desired

brightness level.

4.

Load the Digit Address into the display.

5.

Load display row and column data for the selected digit.

6.

Repeat steps 4 and 5 for all digits.

Data Contents for the Display in a Horizontal Format “

Step

D7

D6 D5

D4

D3 D2 D1 D0

Function

A

B (optional)

11

0

11

1

00

0

0

0

10

B

B

B

CLEAR

BRIGHTNESS SELECT

1

2

3

4

5

6

10

1

00

0

00

1

01

0

01

1

10

0

0

0

000

0

0

100

0

1

110

1

0

101

0

0

100

0

0

100

DIGIT D0 SELECT

ROW 0 D0 (

↑)

ROW 1 D0 (

↑)

ROW 2 D0 (

↑)

ROW 3 D0 (

↑)

ROW 4 D0 (

↑)

7

8

9

10

11

12

10

1

00

0

00

1

01

0

01

1

10

0

0

0

001

0

0

100

0

1

010

1

1

111

1

0

001

1

0

001

DIGIT D1 SELECT

ROW 0 D1 (A)

ROW 1 D1 (A)

ROW 2 D1 (A)

ROW 3 D1 (A)

ROW 4 D1 (A)

13

14

15

16

17

18

10

1

00

0

00

1

01

0

01

1

10

0

0

0

010

1

1

110

0

1

001

0

1

110

0

1

001

1

1

110

DIGIT D2 SELECT

ROW 0 D2 (B)

ROW 1 D2 (B)

ROW 2 D2 (B)

ROW 3 D2 (B)

ROW 4 D2 (B)

19

20

21

22

23

24

10

1

00

0

00

1

01

0

01

1

10

0

00

0

1

1

00

1

0

0

00

1

0

0

10

1

0

1

01

1

1

0

00

1

0

0

DIGIT D3 SELECT

ROW 0 D3 (

↓)

ROW 1 D3 (

↓)

ROW 2 D3 (

↓)

ROW 3 D3 (

↓)

ROW 4 D3 (

↓)