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The Xplained Pro has three extension headers (EXT1, EXT2, EXT3) with pins as listed in Table 1. In : Connect to the mote as per the mapping in Table 2. In Figure 2 you can see the mote connected to EXT1 with the mapping listed in Table 2, but it doesnt does not matter which one you use: The pins for UART RX/TX are all connected to the same pins on the SAM C21.

Warning

Long cables may corrupt the API bus communication.

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tab_xplainedExtHeader
Name

Pin #Name
ID12GND
ADC+34ADC-
GPIO056

GPIO1

PWM+78PWM-
IRQ910SPI_SS_B
TWI_SDA1112TWI_SCL
UART_RX1314UART_TX
SPI_SS_A1516SPI_MOSI
SPI_MISO1718SPI_SCK
GND1920VCC

Table 1: Xplained Pro Standard Extention Header.

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Xplained Pro

Mote
VCCVBAT
GNDGND
UART_TXRX
UART_RXTX
GNDRX RTSn
GNDTX CTSn

Table 2: Xplained Pro to mote pin mapping.

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