C8051F326 Datasheet, PDF (35/140 Pages) List of Unclassifed Manufacturers – Full Speed USB, 16 kB Flash MCU Family

C8051F326/7
C8051F326/7
From VBUS
VBUS
REGIN
VBUS Sense
5 V In
Voltage Regulator (REG0)
From 3 V
Power Net
VDD
3 V Out
Device
Power Net
Figure 5.3. REG0 Configuration: USB Self-Powered, Regulator Disabled
C8051F326/7
VBUS
From 5V
Power Net
To 3V
Power Net
REGIN
5V In
VBUS Sense
Voltage Regulator (REG0)
VDD
3V Out
Device
Power Net
Figure 5.4. REG0 Configuration: No USB Connection
Rev. 0.5
35