参数资料
型号: AS1108WL-T
厂商: ams
文件页数: 12/21页
文件大小: 0K
描述: IC DRIVER LED 4-DIGIT 20-SOIC
标准包装: 1,500
显示器类型: LED
配置: 7 段 + DP
接口: 串行
数字或字符: 4 位数字
电流 - 电源: 330mA
电源电压: 2.7 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 带卷 (TR)
AS1108
Datasheet - D e t a i l e d D e s c r i p t i o n
Table 10. Code-B Font (Continued)
7-Segment
Register Data
On Segments = 1
Character
D7
?
D6:D4
D3
D2
D1
D0
DP
?
A
B
C
D
E
F
G
6
7
8
9
-
E
H
L
P
Blank
X
X
X
X
X
X
X
X
X
X
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
0
1
0
0
1
0
0
1
1
1
0
0
1
0
1
0
1
1
1
1
0
0
1
0
0
0
1
0
1
1
0
1
0
1
0
0
1
0
1
0
0
1
1
1
1
0
1
0
1
1
0
1
1
1
1
0
1
0
1
1
1
1
1
0
1
0
?
The decimal point is enabled by setting bit D7 = 1.
Table 11. HEX Font
7-Segment
Register Data
On Segments = 1
Character
D7
?
D6:D4
D3
D2
D1
D0
DP
?
A
B
C
D
E
F
G
0
1
2
3
4
5
6
7
8
9
A
b
C
d
E
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
1
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
0
0
1
1
1
1
0
0
1
0
0
1
1
0
1
1
1
1
1
1
1
1
1
0
1
0
0
1
0
1
1
0
1
1
0
1
1
0
1
1
1
1
0
1
0
1
0
0
0
1
0
1
0
1
1
1
1
1
1
1
0
0
0
1
1
1
0
1
1
1
1
1
0
1
1
0
0
1
1
1
1
1
0
1
1
1
1
0
1
1
1
?
The decimal point is enabled by setting bit D7 = 1.
Table 12. No-Decode Mode Data Bits and Corresponding Segment Lines
D7
D6
D5
D4
D3
D2
D1
D0
Corresponding Segment Line
DP
A
B
C
D
E
F
G
Display-Test Register (0xXF)
The AS1108 can operate in two modes: normal mode and display test mode. In display test mode all LEDs are
switched on at maximum brightness (duty cycle is 15/16). The device remains in display-test mode until the Display-
Test Register is set for normal operation.
Note: All settings of the Digit- and Control-Registers are maintained.
Table 13. Display-Test Register Format (Address (HEX) = 0xXF))
Mode
Normal Operation
Display Test Mode
D7
X
X
D6
X
X
D5
X
X
Register Data
D4 D3
X X
X X
D2
X
X
D1
X
X
D0
0
1
Revision 2.13
11 - 20
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