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:
0000000000000010
Bit Symbol Bit Name Description R/W
b0 VDDUSBE 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