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Introduction
IAR Debug Probes User Guide
58
I-jet®, I-jet Trace, and I-scope™
designated points on the target board and displayed in real time by the IAR C-SPY
debugger.
CURRENT AND VOLTAGE MEASUREMENT USING I-SCOPE
I-scope contains a 12-bit A/D converter for current and voltage measurements. The
current input is implemented using a sensitive differential amplifier. The current
measurement is done by connecting the two differential current measurement leads
(marked I+ and I-) across a shunt resistor on the target board.
This figure shows how I-scope is connected to I-jet and to the target board:
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