Datasheet

DocID028798 Rev 3 87/155
STM32L432KB STM32L432KC Electrical characteristics
147
APB1
USB FS independent clock
domain
2.9 N/A N/A
µA/MHz
USB FS clock domain 2.3 N/A N/A
I2C1 independent clock domain 3.5 2.8 3.4
I2C1 clock domain 1.1 0.9 1.0
I2C3 independent clock domain 2.9 2.3 2.5
I2C3 clock domain 0.9 0.4 0.8
LPUART1 independent clock
domain
1.9 1.6 1.8
LPUART1 clock domain 0.6 0.6 0.6
LPTIM1 independent clock
domain
2.9 2.4 2.8
LPTIM1 clock domain 0.8 0.4 0.7
LPTIM2 independent clock
domain
3.1 2.7 3.9
LPTIM2 clock domain 0.8 0.7 0.8
OPAMP 0.4 0.2 0.4
PWR 0.4 0.1 0.4
SPI3 1.7 1.3 1.6
SWPMI1 independent clock
domain
1.9 1.6 1.9
SWPMI1 clock domain 0.9 0.7 0.8
TIM2 6.2 5.0 5.9
TIM6 1.0 0.6 0.9
TIM7 1.0 0.6 0.6
USART2 independent clock
domain
4.1 3.6 3.8
USART2 clock domain 1.3 0.9 1.1
WWDG 0.5 0.5 0.5
All APB1 on 40.2 26.7 37.9
APB2
AHB to APB2
(4)
1.0 0.9 0.9
FW 0.2 0.2 0.2
SAI1 independent clock domain 2.3 1.8 1.9
SAI1 clock domain 2.1 1.8 2.0
SPI1 1.8 1.6 1.7
SYSCFG/COMP 0.6 0.5 0.6
Table 38. Peripheral current consumption (continued)
Peripheral Range 1 Range 2
Low-power run
and sleep
Unit
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