Microchip Technology Power Debugger Manual page 11

POWER
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3.1.3 Connections
Once the hardware modifications have been made we are ready to connect the Power Debugger to the target.
To measure the current on the ATmega328PB device you will have to route its supply through the Power Debugger.
With the FET switch set to OFF, the ATmega328PB device has no target power source. To route the 5V Xplained Mini
supply voltage through the A channel and into the ATmega328PB device's supply rail:
To do:
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Connect the USB and programming cables:
To do:
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Your setup should look something like this:
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2020 Microchip Technology Inc.
Connect the 5V pin on the power-header of the Xplained Mini board to the input pin of the A channel
on the Power Debugger
Connect the output pin of the A channel to the VCC pin of the power header on the Xplained Mini
Connect the debug cable from the AVR output of the Power Debugger to the ISP header of the
Xplained Mini board
Plug both Power Debugger and Xplained Mini into USB ports on the host computer
ISP header
User Guide
Power Debugger
Detailed Use Cases
PORTD
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DS40002201A-page 11