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FEEU Ultra-Low-Power Apollo Evaluation Kit Platform
Chapter 2 Using the Hardware
2.4 USB to Serial
Figure 1-6: USB to UART Converter
To use the USB to serial converter, several serial options are possible. For UART the
jumpers JP7 and P1 are used to set the correct usage.
For Apollo 1, JP7 must be 1-2 and P1 2-4:
Figure 1-7: Apollo 1 jumper configuration for UART usage
With this jumper selection, GPIO0 is UARTTX and GPIO1 UARTRX.
For Apollo 2, JP7 must be 2-3 and P1 3-4:
Figure 1-8: Apollo 2 jumper configuration for UART usage
With this jumper selection, GPIO1 is UARTTX and GPIO2 UARTRX.
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