ST STM32H723ZG

Figure 1. Power supplies
BKUP
IOs
VDD domain
Analog domain
Core domain (V
CORE
)
Backup domain
D3 domain
(System
logic,
EXTI,
Peripherals,
RAM)
D1 domain
(CPU, peripherals,
RAM)
Level shifter
OPAMP,
Comparator
Voltage
regulator
ADC, DAC
Flash
D2 domain
(peripherals,
RAM)
Power
switch
Power switch
Step
Down
Converter
VCAP
VSS
VDDLDO
VDDSMPS
VLXSMPS
VSSSMPS
VFBSMPS
VBAT
VDDA
VREF+
V
REF-
VSSA
Backup
regulator
VDD
Backup
RAM
Power
switch
HSI, CSI,
HSI48,
HSE, PLLs
IOs
Power
switch
USB
regulator
V
DD50USB
V
DD33USB
V
SS
V
SS
V
SS
REF_BUF
V
SS
IO
logic
V
REF+
USB
IOs
V
SS
V
SW
LSI, LSE, RTC,
Wakeup logic,
backup
registers, Reset
IO
logic
V
BKP
VBAT
charging
VREF-
USB regulator
VDD50USB
VDD33USB
USB
FS IOs
AN5419
Introduction
AN5419 - Rev 2
page 4/50