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4.7 Measuring Current
The current drawn by the DFCE-NNN40-DTxR module can be monitored on the DELTA
DFCEM-NNN40 mbed kit. To measure the current, you must first prepare the board by
removing the 0Ω on R127and R128. To measure the current of BLE chip, please connect
current meter series to 1V8 and BLE_1V8_IN pin on CN7; while the current of Wi-Fi chip
measurement, please connect current meter series to 3V6 and WIFI_3V6_IN pin on CN7.
5. Federal Communications Commission (FCC)
Statement
15.21
You are cautioned that changes or modifications not expressly approved by the part
responsible for
compliance could void the user's authority to operate the equipment.
15.105(b)
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable
protection against
harmful interference in a residential installation. This equipment generates, uses and can
radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful
interference to radio communications. However, there is no guarantee that interference will not
occur in
a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to
correct the interference by one or more of the following measures:
mbed Kit User Guide
Proprietary Information and Specifications are Subject to Change
DF CE -NNN 4 0 -DT xR
Sheet 14 of 15
Aug 11, 2015
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