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参数资料
| 型号： | AS1122-BQFT |
| 厂商： | ams |
| 文件页数： | 15/23页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 12-CH W/DELAY 24-TQFN |
| 标准包装： | 1 |
| 系列： | * |
AS1122
Datasheet - D e t a i l e d D e s c r i p t i o n
The input shift register shifts greyscale data into the greyscale register for all channels simultaneously. The complete greyscale data format con-
sists of 12 x 12 bit words, which forms a 144-bit wide data packet (see Figure 32) plus the 8-bit for the identifier.
Figure 32. PWM Data Packet Format
The PWM data is only valid if the exact identifier byte was send. Otherwise the data will be ignored.
Command Data
In the command register of the AS1122 some configuration of the device can be done. After sending the correct identifier the 8 bits of the com-
mand register are accessible.
Table 7. Command Register Format
Bit
7:5
4
3
2
Bit Name
-
Read SID
OPEN Test
Over Temperature
Power down
Default
000
0
0
0
Access
n/a
W
W
W
Bit Description
0: normal operation
1: read Status Information Register (SID)
0: no test is running
1: start OPEN test
0: If an overtemperature condition occurs the OUTn are NOT switched off
automatically.
1: If an overtemperature condition occurs the OUTN are switched off
automatically.
1
0
Display One Time
OEN
0
0
W
W
0: The PWM is running endless
1: The PWM is running for one cycle
0: This bit must be ‘0’ as well as bit3 of the last valid identifier to turn ON all
channels.
1: all channels are OFF
The complete status information data packet is shown in Figure 33 .
Figure 33. Command Packet Format
www.austriamicrosystems.com/LED-Driver-ICs
Revision 1.00
14 - 22
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相关代理商/技术参数 |
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| AS1122-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 |
| AS1122-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 |
| AS1122-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 |
| AS1122-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 |
| AS1122-XXX-I-A3-D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
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