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STRFNFCA bảng dữ liệu(PDF) 2 Page - STMicroelectronics

tên linh kiện STRFNFCA
Giải thích chi tiết về linh kiện  Near field communication transceiver
Download  74 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STRFNFCA bảng dữ liệu(HTML) 2 Page - STMicroelectronics

  STRFNFCA Datasheet HTML 1Page - STMicroelectronics STRFNFCA Datasheet HTML 2Page - STMicroelectronics STRFNFCA Datasheet HTML 3Page - STMicroelectronics STRFNFCA Datasheet HTML 4Page - STMicroelectronics STRFNFCA Datasheet HTML 5Page - STMicroelectronics STRFNFCA Datasheet HTML 6Page - STMicroelectronics STRFNFCA Datasheet HTML 7Page - STMicroelectronics STRFNFCA Datasheet HTML 8Page - STMicroelectronics STRFNFCA Datasheet HTML 9Page - STMicroelectronics Next Button
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Contents
STRFNFCA
2/74
Doc ID 023077 Rev 10
Contents
1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2
List of terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Pin and signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
Power management and operating modes . . . . . . . . . . . . . . . . . . . . . . . 8
3.1
Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2
Startup sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4
Communication protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1
Universal asynchronous receiver/transmitter (UART) . . . . . . . . . . . . . . . 11
4.2
Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2.1
Polling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2.2
Interrupt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5
Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1
Command format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2
List of commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3
IDN command (0x01) description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.4
Protocol Select command (0x02) description . . . . . . . . . . . . . . . . . . . . . . 17
5.5
Pollfield command (0x03) description . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.6
Send Receive (SendRecv) command (0x04) description . . . . . . . . . . . . . 23
5.7
Listen command (0x05) description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.8
Send command (0x06) description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.9
Idle command (0x07) description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.9.1
Idle command parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.9.2
Using LFO frequency setting to reduce power consumption . . . . . . . . . 34
5.9.3
Optimizing wake-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.9.4
Using various techniques to return to Ready state . . . . . . . . . . . . . . . . 35
5.9.5
Tag detection calibration procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.10
Read Register (RdReg) command (0x08) description . . . . . . . . . . . . . . . 38
5.11
Write Register (WrReg) command (0x09) description . . . . . . . . . . . . . . . 38
5.11.1
Improving RF performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.11.2
Improving frame reception for ISO/IEC 14443 Type A tags . . . . . . . . . . 40


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