R01UH0823EJ0100 Rev.1.00
Page 909 of 1823
Jul 31, 2019
RX23W Group
32. USB 2.0 Host/Function Module (USBc)
32.2.34
USB Module Control Register (USBMC)
VDDUSBE Bit (USB Reference Power Supply Circuit On/Off Control)
The USB reference power supply circuit generates the reference voltage for battery charging. Set this bit to 1 when using
the battery charging function.
Address(es): 000A 00CCh
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
VDDUS
BE
Value after reset:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
Bit
Symbol
Bit Name
Description
R/W
b0
USB Reference Power Supply
Circuit On/Off Control
0: USB reference power supply circuit off
1: USB reference power supply circuit on
R/W
b1
—
Reserved
This bit is read as 1. The write value should be 1.
R/W
b15 to b2
—
Reserved
These bits are read as 0. The write value should be 0.
R/W