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參數(shù)資料
| 型號： | ATA5728P6-TKQY |
| 廠商： | ATMEL CORP |
| 元件分類： | 通信及網絡 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | SSOP-20 |
| 文件頁數(shù)： | 16/46頁 |
| 文件大小： | 776K |
| 代理商： | ATA5728P6-TKQY |
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9106E–RKE–07/08
ATA5723/ATA5724/ATA5728
10. Digital Noise Suppression
After a data transmission, digital noise appears on the data output (see Figure 10-1 “Output of
Digital Noise at the End of the Data Stream”). To prevent digital noise keeping the connected
microcontroller busy, it can be suppressed in two different ways:
Automatic Noise Suppression
Controlled Noise Suppression by the Microcontroller
10.1
Automatic Noise Suppression
The receiver changes to bit-check mode at the end of a valid data stream if the bit
Noise_Disable (Table 11-9 on page 27) in the OPMODE register is set to 1 (default). The digital
noise is suppressed, and the level at pin DATA is high. The receiver changes back to receiving
mode, if the bit check was successful.
This method of noise suppression is recommended if the data stream is Manchester or Bi-phase
coded and is active after power on.
Figure 10-3 “Occurrence of a Pulse at the End of the Data Stream” illustrates the behavior of the
data output at the end of a data stream. If the last period of the data stream is a high period (ris-
ing edge to falling edge), a pulse occurs on pin DATA. The length of the pulse depends on the
selected baud-rate range.
Figure 10-1. Output of Digital Noise at the End of the Data Stream
Figure 10-2. Automatic Noise Suppression
DATA_CLK
Data_out (DATA)
Data
Preburst
Receiving mode,
data clock control
logic active
Receiving mode,
data clock control
logic active
Bit-check
mode
Bit check ok
Receiving mode,
bit check active
Receiving mode,
bit check active
Data
Digital Noise
Preburst
Bit check ok
DATA_CLK
Data_out (DATA)
Data
Preburst
Receiving mode,
data clock control
logic active
Receiving mode,
data clock control
logic active
Bit-check
mode
Bit-check
mode
Bit-check
mode
Bit check ok
Data
Preburst
Bit check ok
相關PDF資料 |
PDF描述 |
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| ATC-4 | Automotive Fuse; Current Rating:4A; Voltage Rating:32V; Fuse Type:Fast Acting; Body Material:Plastic; Color:Pink; Fuse Terminals:Blade; Length:12.54mm; Series:ATC; Voltage Rating:32V; Fuse Size/Group:12.54 x 19.14 x 5.12mm RoHS Compliant: Yes |
| ATC-40 | Automotive Fuse; Current Rating:40A; Voltage Rating:32V; Fuse Type:Fast Acting; Body Material:Plastic; Color:Orange; Fuse Terminals:Blade; Length:12.54mm; Series:ATC; Voltage Rating:32V; Fuse Size/Group:12.54 x 19.14 x 5.12mm RoHS Compliant: Yes |
| ATEP-04-0150-SMA-P-01 | INTERCONNECTION DEVICE |
| ATEP-16-0200-SMA-P-01 | INTERCONNECTION DEVICE |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ATA5743 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:UHF ASK/FSK Receiver |
| ATA5743P3-TGQY | 功能描述:射頻接收器 ASK/FSK Rec.(imp.FSK sensitiv IF=300kH) RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| ATA5743P3-TGQY 19 | 制造商:Atmel Corporation 功能描述:ASK/FSK Rec.(impr.FSK sensitiv,IF=300kH) |
| ATA5743P3-TGQY 19 | 功能描述:射頻接收器 ASK/FSK Rec(impr.FSK SensitivIF=300kH) RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| ATA5743P3-TGSY | 功能描述:射頻接收器 ASK/FSK Rec.(imp.FSK sensitiv IF=300kH) RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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