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AS8221-ASSP Datasheet(PDF) 5 Page - ams AG |
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AS8221-ASSP Datasheet(HTML) 5 Page - ams AG |
5 / 41 page AS8221 Datasheet - Pin Assignm ents www.austriamicrosystems.com/flexray/AS8221 Revision 1.4 5 - 41 4 Pin Assignments Figure 2. Pin Assignments SSOP20 Package 4.1 Pin Descriptions Table 1. Pin Descriptions Pin Name Pin Number Pin Type Description INH2 1 Analog I/O Analog Output. Inhibit 2 output for switching external voltage regulator INH1 2 Analog Output. Inhibit 1 output for switching external voltage regulator EN 3 Digital input with pull-down Digital Input. Enable input VIO 4 Supply pad Supply Voltage. I/O supply voltage TxD 5 Digital input with pull-down Digital Input. Transmit data input TxEN 6 Digital input with pull-up Digital Input. Transmitter enable input RxD 7 Digital output Digital Output. Receive data output BGE 8 Digital input with pull-down Digital Input. Bus guardian enable input STBN 9 Digital Input. Standby input Reserved 10 Analog/digital input/output with pull-down To be connected to GND or to be unconnected Not used 11 - RxEN 12 Digital output Digital Output. Receive data enable output ERRN 13 Digital Output. Error diagnosis output and wake status output VBAT 14 Supply pad Supply Voltage. Battery supply voltage WAKE 15 Analog I/O Analog Input. Local wake-up input GND 16 Supply pad Ground BM 17 Analog I/O Analog Input/Output. Bus line Minus BP 18 Analog Input/Output. Bus line Plus VCC 19 Supply pad Supply voltage Not used 20 - INH1 EN VIO TxD TxEN RxD BGE STBN VCC BP BM GND WAKE VBAT ERRN RxEN INH2 Reserved n.u n.u 1 2 3 4 5 6 7 8 9 10 16 20 19 18 17 15 14 13 11 12 AS8221 |
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