ST STM32L476ZG User Manual page 20

Hardware layout and configuration
Jumper array
JP2
VDD_MCU
connection
JP10
VDDA
connection
JP1
VDD_USB
connection
JP3
VDD_IO
connection
JP18
Powering
through USB of
ST-LINK/V2-1
20/80
Table 5. Power-supply-related jumper settings (continued)
Jumper setting
JP2
JP2
JP10
JP10
JP1
JP1
JP3
JP3
JP18
JP18
UM1855 Rev 6
Configuration
Default setting.
VDD_MCU (VDD terminals of STM32L476ZG) is
connected to fixed +3.3 V.
VDD_MCU is connected to voltage in the range of
+1.71 to +3.6 V, adjustable with potentiometer RV1.
Default setting.
VDDA terminal of STM32L476ZG is connected to
VDD_MCU.
VDDA terminal of STM32L476ZG is connected to
+3.3 V.
Default setting.
VDD_USB (VDDUSB terminal of STM32L476ZG) is
connected to VDD_MCU.
VDD_USB is connected to +3.3V.
Default setting.
VDD_IO (VDDIO2 terminals of STM32L476ZG) is
connected to VDD_MCU
VDD_IO is open.
Default setting.
The Micro-B USB connector (CN17) of ST-LINK/V2-1
can supply power to the STM32L476G-EVAL board
remainder, depending on the powering capability of the
host PC USB port declared in the enumeration.
Type-B USB connector CN17 of ST-LINK/V2-1 supplies
power to the STM32L476G-EVAL board remainder.
Setting for powering the board through CN17 using
USB charger.
UM1855