STM32L051R6 datasheet(63/127 Pages) STMICROELECTRONICS

Part #	STM32L051R6

Description	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC

PDF	127 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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63 / 127 page

DocID025938 Rev 6

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STM32L051x6 STM32L051x8

Electrical characteristics

100

Table 35. Typical and maximum current consumptions in Standby mode

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

IDD

(Standby)

Supply current in Standby

mode

Independent watchdog

and LSI enabled

TA = − 40 to 25°C

1.3

1.7

µA

TA = 55 °C

2.9

TA= 85 °C

3.3

TA = 105 °C

4.1

TA = 125 °C

8.5

Independent watchdog

and LSI off

TA = − 40 to 25°C

0.29

0.6

TA = 55 °C

0.32

0.9

TA = 85 °C

0.5

2.3

TA = 105 °C

0.94

TA = 125 °C

2.6

1. Guaranteed by characterization results at 125 °C, unless otherwise specified

Table 36. Average current consumption during Wakeup

Symbol

parameter

System frequency

Current

consumption

during wakeup

Unit

IDD (Wakeup from

Stop)

Supply current during Wakeup from

Stop mode

HSI

HSI/4

0,7

MSI clock = 4,2 MHz

0,7

MSI clock = 1,05 MHz

0,4

MSI clock = 65 KHz

0,1

IDD (Reset)

Reset pin pulled down

0,21

IDD (Power-up)

BOR on

0,23

IDD (Wakeup from

StandBy)

With Fast wakeup set

MSI clock = 2,1 MHz

0,5

With Fast wakeup disabled

MSI clock = 2,1 MHz

0,12

STM32L051R6 Datasheet(PDF) 63 Page - STMicroelectronics

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