Data Sheet AS1100

Revision 1.32, Oct. 2004

Page 6 of 12

Register Data

Decode Mode

D7

D6

D5

D4

D3

D2

D1

D0

Hex Code

No decode for digits 7–0

0

0000

000

0x00

Code B decode for digit 0

No decode for digits 7–1

0

0000

001

0x01

Code B decode for digits

3–0

No decode for digits 7–4

0

0001

111

0x0F

Code B decode for digits

7–0

1

1111

111

0xFF

Table 4: Decode-mode register examples (address (hex) = 0xX9)

Register Data

On Segments = 1

7-Segment

Character

D7* D6–D4

D3

D2

D1

D0 DP*

A

B

C

D

E

F

G

0

X

00

00

1

111110

1

X

00

01

0

110000

2

X

00

10

1

101101

3

X

00

11

1

111001

4

X

01

00

0

110011

5

X

01

01

1

011011

6

X

01

10

1

011111

7

X

01

11

1

110000

8

X

10

00

1

111111

9

X

10

01

1

111011

—

X

10

10

0

000001

E

X

10

11

1

001111

H

X

11

00

0

110111

L

X

11

01

0

001110

P

X

11

10

1

100111

blank

X

1

1

1

1

0

000000

Table 5: Code B font

*The decimal point is set by bit D7 = 1

Register Data

D7

D6

D5

D4

D3

D2

D1

D0

Corresponding

Segment Line

DP

A

B

C

D

E

F

G

Table 6: No-decode mode data bits and corresponding segment lines