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
A
F
G
B
E
D
C
DP
Table 10. Intensity register format (address (hex) = 0xXA)
Duty Cycle
1/32 (min on)
3/32
5/32
7/32
9/32
11/32
13/32
15/32
17/32
19/32
21/32
23/32
25/32
27/32
29/32
31/32 (max on)
D7
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Hex Code
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
0xX8
0xX9
0xXA
0xXB
0xXC
0xXD
0xXE
0xXF
Table 11. Scan -limit register format (address (hex) = 0xXB)
Decode Mode
Display digit 0 only
Display digit 0 & 1
Display digit 0 1 2
Display digit 0 1 2 3
Display digit 0 1 2 3 4
Display digit 0 1 2 3 4 5
Display digit 0 1 2 3 4 5 6
Display digit 0 1 2 3 4 5 6 7
Register Data
D7
X
X
X
X
X
X
X
X
D6
X
X
X
X
X
X
X
X
D5
X
X
X
X
X
X
X
X
D4
X
X
X
X
X
X
X
X
D3
X
X
X
X
X
X
X
X
D2
0
0
0
0
1
1
1
1
D1
0
0
1
1
0
0
1
1
D0
0
1
0
1
0
1
0
1
Hex Code
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
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