• UARTs: UART1, UART2, UART3, UART4
• USARTs: USART0, USART1, USART2
• SPI: SPI0
• I²C: TWI0, TWI2
• Timer capture and compare: TIOA[0, 2,11], TIOB[5, 7, 8,11], TCLK[1, 2, 5, 8,11]
• Clock out: PCK0, PCK1, PCK2
• PWMs: PWMC0_PWMEXTRG[0,1], PWMC0_PWMH[0:3], PWMC_PWML[0, 2, 3],
PWMC1_PWMEXTRG[0,1], PWMC1_PWMFI[0:2], PWMC1_PWMH[0, 2], PWMC1_PWML[0:3]
• DIGITAL AUDIO: TD, TK, TF, RD, RK, RF, GTSUCOMP
• CAN: CANRX0, CANTX0, CANRX1, CANTX1
• Analog: ADVREF, AFE0_AD[0, 6, 8], AFE1_AD[1, 3, 5, 6], DAC[0,1]
• GPIO: MISC
• RESET
Refer to the SAM E70 Series datasheet for further details on the PIO multiplexing and alternate function
selection.
Caution: Like the Arduino Due, SAME70-XPLD runs at 3.3V and the maximum voltage that
the I/O pins can tolerate is 3.3V, connecting higher voltages e.g. 5V to those I/O pin could
damage the board.
Important: not all pins of the shield connectors are necessarily connected to an I/O of the
ATSAME70Q21. Each shield should be checked for compatibility against the SAME70-XPLD
schematics before it is purchased and connected.
4.3.2.1. J500 Header
J500 is a 10-pin header with 2.54mm pitch. It is not populated by default and can be used to connect to
Arduino Shields. It includes PWM, Timer Counter and I
2
C interface signals and analog reference.
Atmel SAME70-XPLD [USER GUIDE]
Atmel-44050A-SAME70-XPLD_User Guide-12/2015
16
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