12.1.3 I/O Pins


Maximum Pull-up on SPI/JTAG header	1kΩ
Maximum Pull-down on SPI/JTAG header	10kΩ
Maximum Source Current VCC header	Up to total 300mA

Note:

The Atmel AVR Dragon requires a USB port that can deliver up to 500mA. (Self-powered USB hub.)

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