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AS1105 Datasheet(PDF) 9 Page - ams AG

Part # AS1105
Description  Serially Interfaced, 4-Digit LED Driver
PDF  15 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1105 Datasheet(HTML) 9 Page - ams AG

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www.austriamicrosystems.com
Revision 1.34
9 - 15
AS1105
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)
X
X
X
X
0
0
0
0
0xX0
3/32
X
X
X
X
0
0
0
1
0xX1
5/32
X
X
X
X
0
0
1
0
0xX2
7/32
X
X
X
X
0
0
1
1
0xX3
9/32
X
X
X
X
0
1
0
0
0xX4
11/32
X
X
X
X
0
1
0
1
0xX5
13/32
X
X
X
X
0
1
1
0
0xX6
15/32
X
X
X
X
0
1
1
1
0xX7
17/32
X
X
X
X
1
0
0
0
0xX8
19/32
X
X
X
X
1
0
0
1
0xX9
21/32
X
X
X
X
1
0
1
0
0xXA
23/32
X
X
X
X
1
0
1
1
0xXB
25/32
X
X
X
X
1
1
0
0
0xXC
27/32
X
X
X
X
1
1
0
1
0xXD
29/32
X
X
X
X
1
1
1
0
0xXE
31/32 (max on)
X
X
X
X
1
1
1
1
0xXF
Table 11. Scan-limit register format (address (hex) = 0xXB)
Scan Limit
Register Data
Hex Code
D7
D6
D5
D4
D3
D2
D1
D0
Display digit 0 only
X
X
X
X
X
0
0
0
0xX0
Display digits 0 & 1
X
X
X
X
X
0
0
1
0xX1
Display digits 0 1 2
X
X
X
X
X
0
1
0
0xX2
Display digits 0 1 2 3
X
X
X
X
X
0
1
1
0xX3
A
B
C
D
E
F
G
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