AS1100_12 datasheet(10/17 Pages) AMSCO

Part #	AS1100

Description	Serially Interfaced, 8-Digit LED Driver

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Manufacturer	AMSCO [ams AG]

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www.austriamicrosystems.com/LED-Driver-ICs/AS1100

Revision 1.37

9 - 16

AS1100

Datasheet - 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)

X

0

0xX0

3/32

X

0

1

0xX1

5/32

X

0

1

0

0xX2

7/32

X

0

1

0xX3

9/32

X

0

1

0

0xX4

11/32

X

0

1

0

1

0xX5

13/32

X

0

1

0

0xX6

15/32

X

0

1

0xX7

17/32

X

1

0

0xX8

19/32

X

1

0

1

0xX9

21/32

X

1

0

1

0

0xXA

23/32

X

1

0

1

0xXB

25/32

X

1

0

0xXC

27/32

X

1

0

1

0xXD

29/32

X

1

0

0xXE

31/32 (max on)

X

1

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

X

0

0xX0

Display digit 0 & 1

X

0

1

0xX1

Display digit 0 1 2

X

0

1

0

0xX2

Display digit 0 1 2 3

X

0

1

0xX3

Display digit 0 1 2 3 4

X

1

0

0xX4

Display digit 0 1 2 3 4 5

X

1

0

1

0xX5

Display digit 0 1 2 3 4 5 6

X

1

0

0xX6

Display digit 0 1 2 3 4 5 6 7

X

1

0xX7

A

B

C

D

E

F

G

DP

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