ST 9100 - INSTALLATION GUIDE
PIN Function Type Description
18 I/O_1 I/O Multifunction GPIO, push-pull, analog input and current sink
19 Output_5 O Open drain output
20 1Wire_DATA I/O Input/output driver for 1-Wire Line
21 Console_RS232_RX I TTL/CMOS level receiver outputs
22 AUX_RS232_TX O ±15 kV ESD protected, RS-232 level (nominally ±5.5 V) transmitter outputs
23 CAN0_H I/O High level CAN BUS line
24 Digital Input_3 I Digital input/0-5 V analog input and 4-20 mA return
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