EXT2 Pin SAM E70
Pin
Function Shared Functionality
15 [SPI_SS_A] PB3 USART_SPI_NSS_MASTER_0 EXT1 Header, Camera Connector,
J504 Header & J507 Header (Arduino
Shield)
PD31 USART_SPI_NSS_MASTER_0 Camera Connector
PB2 USART_SPI_NSS_SLAVE EXT1 Header, J504 Header & J507
Header (Arduino Shield)
PD27 SPI0_NPCS3 Camera Connector, J503 Header &
J505 Header (Arduino Shield)
16 [SPI_MOSI] PD21 SPI0_MOSI EXT1 Header, Camera Connector,
J500 Header & J506 Header (Arduino
Shield), Embedded Debugger
PB1 USART_SPI_MOSI EXT1 Header, J505 Header & J507
Header (Arduino Shield)
17 [SPI_MISO] PD20 SPI0_MISO EXT1 Header, J500 Header & J506
Header (Arduino Shield), Embedded
Debugger
PB0 USART_SPI_MOSI EXT1 Header, J505 Header & J507
Header (Arduino Shield)
18 [SPI_SCK} PD22 SPI0_SPCK EXT1 Header, Camera Connector,
J500 Header & J506 Header (Arduino
Shield), Embedded Debugger
PB13 USART_SPI_SPCK J504 Header & J507 Header (Arduino
Shield)
19 [GND] -- -- Ground Connection with Extension
Board
20 [VCC] -- -- Power For Extension Board (3.3V only)
4.3.2. Arduino Connectors
Five 8-pin, one 10-pin, one 2×3-pin and one 2×18-pin headers footprints (J500 to J507) are implemented
on the board to enable the addition of "Arduino shields" extension cards. These accessory boards are
various and widely available on the market, often custom developed. Due to the PIO multiplexing of the
ATSAME70Q21, various peripheral signals may be connected to each pin. These connectors are
mechanically (location and footprint) compatible with the Arduino R3 shields.
Important: As the SAM E70 signals have a voltage level of 3.3V, 5V level shields cannot
properly function with SAME70-XPLD.
In addition to its standard IO functionality, the SAM E70 microcontroller can provide alternate functions to
external IO lines available on the J500 to J507 headers.
These alternate functions are:
Atmel SAME70-XPLD [USER GUIDE]
Atmel-44050A-SAME70-XPLD_User Guide-12/2015
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