ST STM32U575I-EV, Руководство пользователя, Страница: 33 / 105

Table 16 details the MCU power supply configuration and the associated hardware configuration.
Table 16. Hardware configuration for the MCU power supply voltage
Jumper Definition Setting
(1)
Comment
JP23
VDD source selection
Range 1.7 V < VDD < 3.6 V
JP23[1-2] VDD source is fixed at 3.3V.
JP23[2-3] VDD source is VDD_ADJ (1.7 V to 3.6 V).
JP19
VDD_MCU power measurement selection:
IDD
Range 1.7 V < VDD_MCU <3.6 V
JP19 ON VDD_MCU is connected to VDD.
JP19 OFF
Use an ammeter to measure the MCU
power consumption, or connect an external
3V3 or 1V8 external source on pin 2
to supply the MCU (STLINK-PWR tools
with STM32CubeMonitor-Power or ULPBench
probe as an example).
JP4
VDDIO source selection for PG [2-15]
Range 1.7 V < VDDIO < 3.6 V
JP4 ON VDDIO source is VDD_MCU.
JP4 OFF
VDDIO not supplied or open for debugging or
current measurement
JP24
VBAT source selection
Range 1.7 V < VBAT < 3.6 V
JP24[1-2] VBAT source is VDD.
JP24[2-3] VBAT source is the external battery.
JP17
VDDA source selection
Range 1.7 V < VDDA < 3.6 V
JP17[1-2] VDDA source is VDD_MCU.
JP17[2-3] VDDA source is fixed at 3.3 V.
JP18
VREFP source selection
Range 1.7 V < VREFP < 3.6 V
JP18 ON VREFP source is VDDA.
JP18 OFF
VREFP not supplied or open for debugging or
current measurement
JP5
VDD_USB source selection
Range 3.0 V < VDD_USB < 3.6 V
JP5 ON VDD_USB source is 3.3 V.
JP5 OFF
USB feature not supplied or open for
debugging or current measurement
JP16
VDD_SMPS source selection
Range 1.7 V < VDDSMPS < 3.6 V
JP16 ON VDD_SMPS source is VDD_MCU.
JP16 OFF
VDD_SMPS not supplied or open for
debugging or current measurement.
1. The default configuration is in bold.
STM32U575I-EV
Power supply
UM2854 - Rev 1
page 33/105