Datasheet

DS10969 Rev 5 111/204
STM32L475xx Electrical characteristics
190
On-chip peripheral current consumption
The current consumption of the on-chip peripherals is given in Table 41. The MCU is placed
under the following conditions:
• All I/O pins are in Analog mode
• The given value is calculated by measuring the difference of the current consumptions:
– when the peripheral is clocked on
– when the peripheral is clocked off
• Ambient operating temperature and supply voltage conditions summarized in Table 20:
Voltage characteristics
• The power consumption of the digital part of the on-chip peripherals is given in
Table 41. The power consumption of the analog part of the peripherals (where
applicable) is indicated in each related section of the datasheet.
Table 41. Peripheral current consumption
Peripheral Range 1 Range 2
Low-power run
and sleep
Unit
AHB
Bus Matrix
(1)
4.5 3.7 4.1
µA/MHz
ADC independent clock domain 0.4 0.1 0.2
ADC AHB clock domain 5.5 4.7 5.5
CRC 0.4 0.2 0.3
DMA1 1.4 1.3 1.4
DMA2 1.5 1.3 1.4
FLASH 6.2 5.2 5.8
FMC 8.9 7.5 8.4
GPIOA
(2)
4.8 3.8 4.4
GPIOB
(2)
4.8 4.0 4.6
GPIOC
(2)
4.5 3.8 4.3
GPIOD
(2)
4.6 3.9 4.4
GPIOE
(2)
5.2 4.5 4.9
GPIOF
(2)
5.9 4.9 5.7
GPIOG
(2)
4.3 3.8 4.2
GPIOH
(2)
0.7 0.6 0.8
OTG_FS independent clock
domain
23.2 N/A N/A
OTG_FS AHB clock domain 16.4 N/A N/A
QUADSPI 7.8 6.7 7.3
RNG independent clock domain 2.2 N/A N/A
RNG AHB clock domain 0.6 N/A N/A
SRAM1 0.9 0.8 0.9
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