Digi NS9210 - Manual (Page 55)

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www.digiembedded.com 55
How the CMO
works
To measure the load current used on different power supplies, measure DC voltage
across the sense (CMO) resistor. The value of the resistor is 0.025
R ± 1%. Calculate
the current using this equation:
I = U/R
where
„ I = current in Amps
„ U = measured voltage in Volts
„ R = 0.025 Ohms
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J T A G i n t e r f a c e
JTAG Multi-Ice connector X13