Electrical Constraints

Table 1.1. System Unit

Power Voltage Requirements	5.0V USB powered
AVR Dragon Current Consumption	150mA
Max Current Source Capability (to target)	300mA
Ambient Temperature	0-70'C

Table 1.2. Operation

Target Voltage Range

1.8 - 5.5 V

Table 1.3. I/O Pins

Maximum Pull-up on ISP/JTAG header	1K
Maximum Pull-down on ISP/JTAG header	10K
Maximum Source Current VCC header	up to total 300mA.

Note that the AVR Dragon requires a USB port that can deliver up to 500mA. (self-powered USB hub)