1.1 Features
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Atmel ATSAMG55J19 microcontroller
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Embedded debugger (EDBG)
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USB interface
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Programming and debugging (target) through Serial Wire Debug (SWD)
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Virtual COM-port interface to target via UART
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Atmel Data Gateway interface (DGI) to target via USART or TWI
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Four GPIOs connected to target for code instrumentation
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Target USB connection with Host and Device support
 
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Digital I/O
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Two mechanical buttons (including one reset button)
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One user LED
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Three extension headers
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I2C interface for SAM G55 high speed I2C slave
 
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Three possible power sources
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External power
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Embedded debugger USB
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Target USB
 
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32kHz crystal
 
