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Revision 1.33

9 - 17

AS1100

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

Figure 6. Standard 7-segment LED

Table 10. Intensity register format (address (hex) = 0xXA)

Duty Cycle

D7

D6

D5

D4

D3

D2

D1

D0

Hex Code

1/32 (min on)

XXXX

0000

0xX0

3/32

XXXX

0001

0xX1

5/32

XXXX

0010

0xX2

7/32

XXXX

0011

0xX3

9/32

XXXX

0100

0xX4

11/32

XXXX

0101

0xX5

13/32

XXXX

0110

0xX6

15/32

XXXX

0111

0xX7

17/32

XXXX

1000

0xX8

19/32

XXXX

1001

0xX9

21/32

XXXX

1010

0xXA

23/32

XXXX

1011

0xXB

25/32

XXXX

1100

0xXC

27/32

XXXX

1101

0xXD

29/32

XXXX

1110

0xXE

31/32 (max on)

XXXX

1111

0xXF

Table 11. Scan -limit register format (address (hex) = 0xXB)

Decode Mode

Register Data

Hex Code

D7

D6

D5

D4

D3

D2

D1

D0

Display digit 0 only

XXXXX

0

0

0

0xX0

Display digit 0 & 1

XXXXX

0

0

1

0xX1

Display digit 0 1 2

XXXXX

0

1

0

0xX2

Display digit 0 1 2 3

XXXXX

0

1

1

0xX3

Display digit 0 1 2 3 4

XXXXX

1

0

0

0xX4

Display digit 0 1 2 3 4 5

XXXXX

1

0

1

0xX5

Display digit 0 1 2 3 4 5 6

XXXXX

1

1

0

0xX6

Display digit 0 1 2 3 4 5 6 7

XXXXX

1

1

1

0xX7

A

B

C

D

E

F

G

DP