Datasheet
Electrical characteristics STM32H743xI
114/226 DocID030538 Rev 3
APB4
SYSCFG 1 0.7 0.7
µA/MHz
LPUART1
registers
1.1 1.1 1.1
LPUART1 kernel 2.6 2.4 2.1
SPI6 registers 1.6 1.5 1.4
SPI6 kernel 0.2 0.2 0.2
I2C4 registers 0.1 0.1 0.1
I2C4 kernel 2.4 2.1 2
LPTIM2 registers 0.5 0.5 0.5
LPTIM2 kernel 2.3 2.1 1.8
LPTIM3 registers 0.5 0.5 0.5
LPTIM3 kernel 2 2.1 1.5
LPTIM4 registers 0.5 0.5 0.5
LPTIM4 kernel 2 2 1.9
LPTIM5 registers 0.5 0.5 0.5
LPTIM5 kernel 2 1.8 1.5
COMP1/2 0.7 0.5 0.5
VREFBUF 0.6 0.4 0.4
RTC 1.2 1.1 1.1
SAI4 registers 1.6 1.5 1.4
SAI4 kernel 1.3 1.3 1.2
Bridge APB4 0.1 0.1 0.1
Table 39. Peripheral current consumption in Stop, Standby and VBAT mode
Symbol Parameter Conditions
Typ
Unit
3 V
I
DD
RTC+LSE low drive - 2.32
µA
RTC+LSE medium-
low drive
-2.4
RTC+LSE medium-
high drive
-2.7
RTC+LSE High drive - 3
Table 38. Peripheral current consumption in Run mode (continued)
Peripheral
I
DD
(Typ)
Unit
VOS1 VOS2 VOS3
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