STMicroelectronics, 32 bit ARM Cortex M0+, STM32L071RB Microcontroller, 32 MHz, 128kB FLASH, 64-Pin LQFP

View all Microcontrollers
Bulk discount available

Subtotal (1 tray of 160 units)*

€521.12

(exc. VAT)

€640.96

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 17 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Tray*
160 - 160€3.257€521.12
320 - 320€3.171€507.36
480 - 800€3.09€494.40
960 +€3.012€481.92

*price indicative

RS Stock No.:
189-3874
Mfr. Part No.:
STM32L071RBT6
Manufacturer:
STMicroelectronics
Find similar products by selecting one or more attributes.
Select all

Brand

STMicroelectronics

Product Type

Microcontroller

Series

STM32L071RB

Package Type

LQFP

Mount Type

Surface

Pin Count

64

Device Core

ARM Cortex M0+

Data Bus Width

32bit

Program Memory Size

128kB

Maximum Clock Frequency

32MHz

RAM Size

20kB

Maximum Supply Voltage

3.6V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Width

10 mm

Length

10mm

Number of Programmable I/Os

84

Analogue Comparators

2

Maximum Power Dissipation Pd

435mW

Standards/Approvals

No

Height

1.45mm

Minimum Supply Voltage

1.65V

Instruction Set Architecture

RISC

Automotive Standard

No

ADCs

16 x 12 Bit

Program Memory Type

FLASH

Number of Timers

1

Ultra-low-power platform

1.65 V to 3.6 V power supply

-40 to 125 °C temperature range

0.29 μA Standby mode (3 wakeup pins)

0.43 μA Stop mode (16 wakeup lines)

0.86 μA Stop mode + RTC + 20 KB RAM retention

Down to 93 μA/MHz in Run mode

5 μs wakeup time (from Flash memory)

41 μA 12-bit ADC conversion at 10 ksps

Core: Arm® 32-bit Cortex®-M0+ with MPU

From 32 kHz up to 32 MHz max.

0.95 DMIPS/MHz

Memories

Up to 192 KB Flash memory with ECC(2 banks with read-while-write capability)

20 KB RAM

6 KB of data EEPROM with ECC

20-byte backup register

Sector protection against R/W operation

Up to 84 fast I/Os (78 I/Os 5V tolerant)

Reset and supply management

Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds

Ultra-low-power POR/PDR

Programmable voltage detector (PVD)

Clock sources

1 to 25 MHz crystal oscillator

32 kHz oscillator for RTC with calibration

High speed internal 16 MHz factory-trimmed RC (+/- 1%)

Internal low-power 37 kHz RC

Internal multispeed low-power 65 kHz to 4.2 MHz RC

PLL for CPU clock

Pre-programmed bootloader

USART, I2C, SPI supported

Development support

Serial wire debug supported

Rich Analogue peripherals

12-bit ADC 1.14 Msps up to 16 channels (down to 1.65 V)

2x ultra-low-power comparators (window mode and wake up capability, down to 1.65 V)

7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers

Up to 10x peripheral communication interfaces

4x USART, 1x UART (low power)

Up to 6x SPI 16 Mbits/s

3x I2C (2 with SMBus/PMBus)

11x timers: 2x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, 2x 16-bit basic, and 2x watchdogs (independent/window)

CRC calculation unit, 96-bit unique ID

Related links