收藏本站
参数资料
型号： AS1108WL-T
厂商： AUSTRIAMICROSYSTEMS AG
元件分类： LED驱动器
英文描述： 4-digit, 5mA, serial Int.; Package Type: SOIC-20; Temperature Range: 0 - +70 °C
中文描述： LED DISPLAY DRIVER, PDSO20
封装： SOIC-20
文件页数： 9/19页
文件大小： 587K
代理商： AS1108WL-T
9 - 19
AS1108
Datasheet - Detailed Description
Shutdown Register (0xXC)
The Shutdown Register controls AS1108 shutdown mode (see Shutdown Mode on page 8).
Table 8. Shutdown Register Format (Address (HEX) = 0xXC))
Decode Enable Register (0xX9)
The Decode Enable Register sets the decode mode. BCD/HEX decoding (either BCD code – characters 0:9, E, H, L,
P, and -, or HEX code – characters 0:9 and A:F) is selected by bit D2 (page 12) of the Feature Register. The Decode
Enable Register is used to select the decode mode or no-decode for each digit. Each bit in the Decode Enable Regis-
ter corresponds to its respective display digit (i.e., bit D0 corresponds to digit 0, bit D1 corresponds to digit 1 and so
on). Table 10 lists some examples of the possible settings for the Decode Enable Register bits.
Note:
A logic high enables decoding and a logic low bypasses the decoder altogether.
When decode mode is used, the decoder looks only at the lower-nibble (bits D3:D0) of the data in the Digit-Registers,
disregarding bits D6:D4. Bit D7 sets the decimal point (SEG DP) independent of the decoder and is positive logic (bit
D7 = 1 turns the decimal point on). Table 10 lists the code-B font; Table 11 lists the HEX font.
When no-decode mode is selected, data bits D7:D0 of the Digit-Registers correspond to the segment lines of the
AS1108. Table 12 shows the 1:1 pairing of each data bit and the appropriate segment line.
Figure 11. Standard 7-Segment LED Intensity Control and Inter-Digit Blanking
Mode
HEX Code
Register Data
D4
D7
D6
D5
D3
D2
D1
D0
Shutdown Mode,
Reset Feature Register to Default Settings
Shutdown Mode, Feature Register Unchanged
Normal Operation,
Reset Feature Register to Default Settings
Normal Operation, Feature Register Unchanged
0x00
0
X
X
X
X
X
X
0
0x80
1
X
X
X
X
X
X
0
0x01
0
X
X
X
X
X
X
1
0x81
1
X
X
X
X
X
X
1
Table 9. Decode Enable Register Format (Address (HEX) = 0xX9))
Decode Mode
HEX Code
Register Data
D5
D4
X
X
X
X
X
X
D7
X
X
X
D6
X
X
X
D3
0
0
1
D2
0
0
1
D1
0
0
1
D0
0
1
1
No decode for digits 3:0
0x00
0x01
0xFF
Code-B/HEX decode for digit 0. No decode for digits 3:1
Code-B/HEX decode for digits 3:0
Table 10. Code-B Font
7-Segment
Character
Register Data
D3
0
0
0
0
0
0
On Segments = 1
C
1
1
1
0
0
1
1
1
1
0
1
1
D7
D6:D4
X
X
X
X
X
X
D2
0
0
0
0
1
1
D1
0
0
1
1
0
0
D0
0
1
0
1
0
1
DP
A
1
0
1
1
0
1
B
1
1
1
1
1
0
D
E
1
0
1
0
0
0
F
1
0
0
0
1
1
G
0
0
1
1
1
1
0
1
2
3
4
5
A
B
G
F
E
D
C
DP
相关PDF资料
PDF描述
AS1109-BQFT 100mA, 8-Bit, Diagnostic; Package Type: QFN(4x4)-16
AS1109-BSOT 100mA, 8-Bit, Diagnostic
AS1109-BSST 100mA, 8-Bit, Diagnostic; Package Type: SSOP-16
AS1110-BQFT 100mA, 16-CH, Diagnostics; Package Type: TQFN(5x5)-28
AS1110-BSST 100mA, 16-CH, Diagnostics; Package Type: SSOP-24
相关代理商/技术参数
参数描述
AS1108WL-T-Z 制造商:AMS 功能描述:0
AS1108-XXX-I-A1-D 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter
AS1108-XXX-I-A1-S 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter
AS1108-XXX-I-A2-D 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter
AS1108-XXX-I-A2-S 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter
发布紧急采购，3分钟左右您将得到回复。