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STMicroelectronics STM32L031C6T6 — Microcontrollers & Processors (MCU / MPU / DSP)
STMicroelectronics

STM32L031C6T6 STMicroelectronics ARM Cortex-M0+ MCU, 32 MHz

MPNSTM32L031C6T6
Active

STMicroelectronics STM32L0 series STM32L031C6T6, ARM Cortex-M0+ 32-bit MCU, 32 MHz, 32 KB Flash, 8 KB SRAM, 1 KB EEPROM, 1.8V-3.6V, -40°C to 85°C, 48-LQFP.

$4.3600Ref. price · indicative, final on quote
STM32L031C6T6 datasheet
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Specifications

STM32L031C6T6 Technical Specifications
ParameterValue
SeriesSTM32L0
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed32MHz
PackageTray
RAM size8K x 8
Core size32-Bit Single-Core
EEPROM size1K x 8
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, SPI, UART/USART
Number of i (O)38
Core processorARM® Cortex®-M0+
Case48-LQFP
Data convertersA/D 10x12b
Program memory size32KB (32K x 8)

Product details

Core specs and memory budget

The STM32L031C6T6 is an STMicroelectronics 32-bit MCU built around the ARM Cortex-M0+ core, running at up to 32 MHz. The 1 KB EEPROM is useful for calibration constants or configuration parameters that need byte-level writes.

Peripherals and connectivity

On-chip peripherals include a brown-out detect/reset, DMA, POR, PWM, and watchdog timer. The 10-channel 12-bit ADC handles analog sensor inputs directly, reducing external component count.

Package and footprint

Housed in a 48-LQFP package (7x7 mm body), it offers 38 I/O lines. The LQFP footprint is widely supported in PCB tools and rework-friendly with a standard hot-air station.

Lifecycle status — active and available

The product status is listed as Active. This part is suitable for both prototyping and volume production without obsolescence risk in the near term.

Frequently asked questions

Is STM32L031C6T6 obsolete or still active?

It remains available for new designs and production.

Can STM32L031C6T6 be used for low-power IoT applications?

Yes. The Cortex-M0+ core is designed for energy efficiency, the supply range works with common battery chemistries, and the 1.8 V minimum supply reduces power in always-on sensor nodes. The 32 KB Flash and 8 KB SRAM are sized for lightweight IoT protocol stacks and sensor fusion.

What is the difference between STM32L031C6T6 and STM32L031C8T6?

The STM32L031C8T6 doubles the Flash to 64 KB and the SRAM to 8 KB (same SRAM). Both share the same 48-LQFP footprint, supply range, temperature grade, and peripheral set. The C8 variant is the choice when firmware size exceeds 32 KB.

What is the maximum clock speed of STM32L031C6T6?

The maximum core clock speed is 32 MHz.