LE940B6 HW User Guide
Rev. 2.02
Page 73 of 111
2020-01-10
NOTE:
USB_VBUS input power is internally used to detect the USB port and start
the enumeration process. It is not used for supplying power to the internal
LE940B6 USB HW block.
NOTE:
Even if USB communication is not used, it is still highly recommended to
place an optional USB connector on the application board.
At least test points of the USB signals are required since the USB physical
communication is needed in the case of SW update.
WARNING:
Consider placing low-capacitance ESD protection device to protect LE940B6
against ESD strikes.
If an ESD protection should be added, the suggested connectivity is as follows:
Figure 18: ESD Protection for USB2.0
Provided
to
Dekra
under
NDA
Distribution
is
Prohibited
except
for
Dekra
employees
with
a Need
to
know
