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STMicroelectronics STM32L041G6U7 — Microcontrollers & Processors (MCU / MPU / DSP)

STM32L041G6U7 MCU, 32MHz Cortex-M0+, 32KB Flash, 28-UFQFPN

MPNSTM32L041G6U7
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STMicroelectronics STM32L041G6U7, STM32L0 series, 32-bit ARM Cortex-M0+ MCU, 32 MHz, 32 KB Flash, 8K x 8 SRAM, 1K x 8 EEPROM, 1.8 V to 3.6 V supply, -40°C to 105°C, 28-UFQFPN (4x4 mm).

$3.1500Ref. price · indicative, final on quote
STMicroelectronics STM32L041G6U7 datasheet (PDF)
Packaging28-UFQFN
RoHSROHS3 Compliant
SeriesSTM32L0
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STM32L041G6U7 specifications
ParameterValue
SeriesSTM32L0
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C ~ 105°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)21
Core processorARM® Cortex®-M0+
Case28-UFQFN
Data convertersA/D 10x12b
Program memory size32KB (32K x 8)

Product details

Memory sizing and the integrated EEPROM edge

The STM32L041G6U7: The 1 KB EEPROM is a differentiator: it supports up to 100k write cycles per byte (typical for STM32L0 embedded EEPROM) and allows parameter storage without an external serial EEPROM, saving a component and a PCB via. For designs that log calibration constants or configuration data, this reduces BOM cost and board area.

The 32 MHz core speed, combined with the Cortex-M0+ single-cycle I/O and DMA, provides deterministic response for real-time control loops without excessive power draw.

ST continues production, so the part is available through franchised distribution and independent channels.

Frequently asked questions

Does STM32L041G6U7 have DMA?

Yes, DMA is listed among the peripherals. It supports up to 7 channels (typical for STM32L0), enabling peripheral-to-memory transfers without CPU intervention.

Is STM32L041G6U7 RoHS compliant?

Yes, it is ROHS3 compliant.

What is the equivalent of STM32L041G6U7?

The STM32L151CBU6A is a functional alternative with a Cortex-M3 core, more I/Os (37), USB, and a wider ADC (16x12b). However, it is not pin-compatible — the package and pinout differ. For a pin-compatible upgrade within the STM32L0 family, consider the STM32L051 series (same package, more Flash/RAM).