www.austriamicrosystems.com

Revision 1.33

8 - 17

AS1100

Data Sheet - D e t a i l e d D e s c r i p t i o n

Note: The decimal point is set by bit D7 = 1

Table 6. Shutdown Register Format (address (hex) = 0xXC

Mode

Address Code

(Hex)

Register Data

D7

D6

D5

D4

D3

D2

D1

D0

Shutdown Mode

0xXC

X

X

X

X

X

X

X

0

Normal Operation

0xXC

X

XX

XX

XX

1

Table 7. Decode-mode Register Examples (address (hex) = 0xX9

Decode Mode

Register Data

Hex Code

D7

D6

D5

D4

D3

D2

D1

D0

No decode for digits 7–0

00000000

0x00

Code B decode for digit 0

No decode for digits 7–1

00000001

0x01

Code B decode for digits 3–0

No decode for digits 7– 4

00001111

0x0F

Code B decode for digits 7–0

11111111

0xFF

Table 8. Code B font

7-Segment

Character

Register Data

On Segments = 1

D7*

D6-D4

D3

D2

D1

D0

DP*

A

B

C

D

E

F

G

0

X

00

00

11

1111

0

1

X

00

01

01

1000

0

2

X

00

10

11

0110

1

3

X

00

11

11

1100

1

4

X

01

00

01

1001

1

5

X

01

01

10

1101

1

6

X

01

10

10

1111

1

7

X

01

11

11

1000

0

8

X

10

00

11

1111

1

9

X

10

01

11

1101

1

--

X

1

0

1

0

0

0

0000

1

E

X

10

11

10

0111

1

H

X

11

00

01

1011

1

L

X

11

01

00

0111

0

P

X

11

10

11

0011

1

blank

X

11

11

00

0000

0

Table 9. No-decode mode data bits and corresponding segment lines

Register Data

D7

D6

D5

D4

D3

D2

D1

D0

Corresponding Segment Line

DP

A

B

C

D

E

F

G