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ST7538P 数据表(PDF) 2 Page - STMicroelectronics |
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ST7538P 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 30 page ![]() ST7538 2/30 PIN CONNECTION (Top view) PIN DESCRIPTION N° Name Type Description 1 CD_PD Digital/Output Carrier or Preamble Detect Output. "1" No Carrier or Preamble Detected "0" Carrier or Preamble Detected 2 DVss Supply Digital Ground 3 RxD Digital/Output RX Data Output. 4 RxTx Digital/Input with internal pull-up Rx or Tx mode selection input. "1" - RX Session "0" - TX Session 5 TxD Digital/Input with internal pull-down TX Data Input. 6 GND Supply Substrate Ground (same function as PIN 41) 7 TOUT Digital/Output TX Time Out Event Detection "1" - Time Out Event Occurred "0" - No Time-out Event Occurred 8 CLR/T Digital/Output Synchronous Mains Access Clock or Control Register Access Clock 9 BU Digital/Output Band in use Output. "1" Signal within the Programmed Band "0" No Signal within the Programmed Band 10 DVdd Supply Digital Supply Voltage 11 MCLK Digital/Output Master Clock Output 12 RSTO Digital/Output Power On or Watchdog Reset Output 13 TEST 3 Digital/Input with internal pull-down Test Input. Must be connected to DVss during Normal Operation 1 2 3 5 6 4 7 8 9 10 17 11 18 19 20 21 22 44 43 42 41 39 40 38 37 36 35 34 28 27 26 24 23 25 33 32 31 29 30 CD_PD DVSS RXD RxTx TXD GND TOUT CLR/T BU DVDD MCLK CL ATO SGND XOUT XIN AVDD VSENSE TEST2 RXFO RAI VDC D01IN1312 12 13 14 15 16 |
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