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Renesas Technology, Tools FAQs
Last Updated: September 20, 2000
Document Number: 01050835_e
Q.
Is it possible to use M37640T-RPD-E with a bus-powered USB target system (supplying power via the USB cable)?
A.
M37640T-RPD-E (hereon referred to as the emulation pod) monitors the power supply voltage supplied to the target, generates the
same voltage in the emulation pod itself and supplies this power to the MCU. The emulation pod uses power from the target only for
this monitoring function. The dissipation current supplied from the target is less than a few mA.
If the total of the dissipation current of the target and the emulation pod in the above explanation is less than the power of the cable,
then it is possible to use the emulation pod on that system. However, if the power supplied from the bus-powered system is unstable
(unstable voltage etc.), we can't guarantee the proper operation of the emulator. In this case, we recommend you use an external
power supply.
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