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A5191HRTLG-XTP Datasheet(PDF) 6 Page - ON Semiconductor |
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A5191HRTLG-XTP Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 14 page A5191HRT www.onsemi.com 6 A5191HRT 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 TEST5 TEST7 TEST8 TEST9 TxA AREF RESET VSS TEST11 TxD RTS VDD VSS XIN XOUT VSSA A5191HRT 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 TEST5 TEST7 TEST8 TEST9 TxA AREF RESET VSS TEST11 TxD RTS VDD VSS XIN XOUT VSSA Figure 4. Pin Out A5191HRT in 32-pin QFN and LQFP (top view) Table 7. PIN OUT SUMMARY 32−PIN QFN AND LQFP Pin No. Signal Name Type Pin Description 1 TEST5 Input Connect to VSS 2 RESETB Input Reset all logic when low, connect to VDD for normal operation 3, 4, 5 TEST7, 8, 9 Input Connect to VSS 6 VSS Ground Digital ground 7 TxA Output Transmit Data Modulator output 8 AREF Input Analog reference voltage 9 CDREF Input Carrier detect reference voltage 10 CBIAS Output Comparator bias current 11 TEST10 Input Connect to VSS 12 VSSA Ground Analog ground 13 VDDA Power Analog supply voltage 14 RxA Input Receive Data Modulator input 15 RxAF Output Analog receive filter output 16 RxAFI Input Analog receive comparator input 17 XOUT Output Crystal oscillator output 18 XIN Input Crystal oscillator input 19 VSSA Ground Analog ground 20 VSS Ground Digital ground 21 VDD Power Digital supply voltage 22 RTSB Input Request to send 23 TxD Input Input transmit data, transmit HART data stream from microcontroller 24 TEST11 − Do Not Connect 25 RxD Output Received demodulated HART data to microcontroller 26 CD Output Carrier detect output 27 TEST12 − Do Not Connect 28 TEST1 Input Connect to VSS 29 TEST2 − Do Not Connect 30 VDD Power Digital supply voltage 31, 32 TEST3, 4 − Do Not Connect EP Exposed Pad Power Connect to VSS (QFN only) |
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