STM32L051R8 datasheet(60/133 Pages) STMICROELECTRONICS

Part #	STM32L051R8

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	133 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Electrical characteristics

STM32L051x6 STM32L051x8

60/133

DS10184 Rev 10

Figure 16. IDD vs VDD, at TA= 25/55/ 85/105/125 °C, Low-power run mode, code running

from RAM, Range 3, MSI (Range 0) at 64 KHz, 0 WS

Table 31. Current consumption in Low-power sleep mode

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

IDD

(LP Sleep)

Supply

current in

Low-power

sleep mode

All peripherals

OFF, VDD from

1.65 to 3.6 V

MSI clock = 65 kHz,

fHCLK = 32 kHz,

Flash OFF

TA = − 40 to 25°C

4.7(2)

µA

MSI clock = 65 kHz,

fHCLK = 32 kHz,

Flash ON

TA = − 40 to 25°C

TA = 85 °C

19.5

TA = 105 °C

TA = 125 °C

32.5

MSI clock =65 kHz,

fHCLK = 65 kHz,

Flash ON

TA = − 40 to 25°C

TA = 85 °C

TA = 105 °C

23.5

TA = 125 °C

32.5

MSI clock = 131 kHz,

fHCLK = 131 kHz,

Flash ON

TA = − 40 to 25°C

19.5

TA = 55 °C

20.5

TA = 85 °C

22.5

TA = 105 °C

TA = 125 °C

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

2. As the CPU is in Sleep mode, the difference between the current consumption with Flash ON and OFF (nearly 12 µA) is

the same whatever the clock frequency.

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