R01UH0823EJ0100 Rev.1.00 Page 919 of 1823
Jul 31, 2019
RX23W Group 32. USB 2.0 Host/Function Module (USBc)
Figure 32.7 Functional Connection Sample of USB Connector in Bus Powered State (2)
The examples of external circuits given in this section are simplified circuits, and their operation in every system is not
guaranteed.
External connection
MCU
USB0_VBUS
USB0_DP
USB0_DM
USB
B connector
D+
D–
VBUS
USB
transceiver
Z
DRV
Z
DRV
R
PU
R
PU
P16 or PB5
Z
DRV
: Output impedance
R
PU
: Pull-up resistor
Note 1. Design the board so that the total VBUS capacitance
ranges from 1.0 to 10 µF.
*1