STM32L071CBT6TR

STM32L071CBT6TR

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STM32L071CBT3

Ultra-low-power Arm Cortex-M0+ MCU with 128-Kbytes of Flash memory, 32 MHz CPU

Supply Voltage Min Volt1.65
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
CoreArm Cortex-M0+
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameLQFP 48 7x7x1.4 mm

The access line ultra-low-power STM32L071xx microcontrollers incorporate the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (up to 192 Kbytes of Flash program memory, 6 Kbytes of data EEPROM and 20...
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Key features
  • 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 Run mode
    • 5 μs wakeup time (from Flash memory)
    • 41 μA 1é-bit ADC (conversion at 10kbps)
  • Core: ARM® 32-bit Cortex®-M0+ with MPU
    • From 32 kHz up to 32 MHz max.
    • 0.95 DMIPS/MHz
    • 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
  • Up to 84 fast I/Os (78 I/Os 5V tolerant)
  • 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
  • Rich Analog 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 1.8 V)
  • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
  • 10x peripheral communication interfaces
  • 4x USART (2 with ISO 7816, IrDA), 1x UART (low power)
  • 2x 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
In stock
Quantity $ per unit Savings
1-9$4.270%
10-1499$2.2547%
1500-10000$2.2447%
Contact sales
$4.27
$4.27
Supply Voltage Min Volt1.65
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
CoreArm Cortex-M0+
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameLQFP 48 7x7x1.4 mm

The access line ultra-low-power STM32L071xx microcontrollers incorporate the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (up to 192 Kbytes of Flash program memory, 6 Kbytes of data EEPROM and 20...
Read More

Key features
  • 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 Run mode
    • 5 μs wakeup time (from Flash memory)
    • 41 μA 1é-bit ADC (conversion at 10kbps)
  • Core: ARM® 32-bit Cortex®-M0+ with MPU
    • From 32 kHz up to 32 MHz max.
    • 0.95 DMIPS/MHz
    • 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
  • Up to 84 fast I/Os (78 I/Os 5V tolerant)
  • 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
  • Rich Analog 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 1.8 V)
  • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
  • 10x peripheral communication interfaces
  • 4x USART (2 with ISO 7816, IrDA), 1x UART (low power)
  • 2x 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