SH7641 Datasheet, PDF (837/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 20 USB Function Module
This LSI
General output port, etc.
USB module
VBUS
3.3 V
IC that allows
voltage application
when the system (LSI)
power is off.
D+
D-
IC that allows
voltage application
when the system (LSI)
power is off.
USB
connector
VBUS _{5 V}
D+
D-
GND
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.
USB
cable
Figure 20.17 Example of USB Function Module External Circuitry
(For On-Chip Transceiver)
Rev. 4.00 Sep. 14, 2005 Page 787 of 982
REJ09B0023-0400