Renesas SH7641 User Manual

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Section 20 USB Function Module

Rev. 4.00 Sep. 14, 2005 Page 787 of 982

REJ09B0023-0400

USB module

General output port, etc.

IC that allows
voltage application
when the system (LSI)
power is off.

This LSI

USB
connector

USB
cable

VBUS

GND

D+

D-

5 V

Note: Operation cannot be guaranteed by this example.
When the system requires countermeasures against external surge
or ESD noise, use the protection diode or noise canceller.

3.3 V

Figure 20.17 Example of USB Function Module External Circuitry

(For On-Chip Transceiver)

This manual is related to the following products:

HD6417641