GV300CAN User Manual
TRACGV300CANUM001 - 19 -
3.12. Serial Port/UART Interface
There are two lines dedicated to the Serial Port/UART interface (TXD and RXD). TXD/RXD is
standard RS232 signal.
Figure 15. Typical Connection with RS232 Port
3.13. 1-Wire device Connection
It has 1-wire bus on GV300CAN, which supports temperature sensors and iButton. The
bus includes 3 signals, namely, VDD-1W, DATA-1W and GND. VDD-1W is the power
output for 1-wire device, and DATA-1W is the data signal, with which GV300CAN can get
information from 1-wire device.
The following diagrams show the recommended connection of 1-wire device.
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