VBRS=B_0x0, VBE=B_0x0
PWR Backup domain control register 2
VBE | VBAT charging enable 0 (B_0x0): VBAT battery charging disabled 1 (B_0x1): VBAT battery charging enabled |
VBRS | VBAT charging resistor selection 0 (B_0x0): Charge VBAT through a 5 kΩ resistor 1 (B_0x1): Charge VBAT through a 1.5 kΩ resistor |