STMicroelectronics STM32L010F4P6

Overview

STM32L010F4P6 from STMicroelectronics is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller in TSSOP20 package, featuring 16 KB Flash, 2 KB SRAM, 128-byte EEPROM, 12-bit ADC (1.14 Msps), and integrated low-power timers including LPTIM and RTC. It operates from 1.8–3.6 V and supports industrial temperature range (−40 to +85 °C), targeting battery-powered sensor nodes and smart peripherals.

For engineers reviewing the STM32L010F4P6 datasheet, STM32L010F4P6 pinout, STM32L010F4P6 application, or STM32L010F4P6 equivalent, key selection criteria include standby current (0.23 µA), 5 µs wakeup from Flash, 23 5-V-tolerant I/Os, and dual UART support (USART + LPUART) for energy-constrained edge devices.

Technical Context

The device implements a multi-source clock architecture with factory-trimmed 16 MHz HSI (±1%), 32 kHz LSE for RTC calibration, and programmable MSI (65 kHz–4.2 MHz). Its power management includes five brownout reset thresholds and dynamic voltage scaling across three operating ranges.

Low-power operation is enabled by seven distinct modes - from full Run (76 µA/MHz) to Standby (0.23 µA) - with selective peripheral retention and 2 wakeup pins in Standby or 16 wakeup lines in Stop mode, all managed via dedicated PWR control registers and system configuration controller (SYSCFG).

Key Specifications

Pinout & Package

TSSOP20 (6.5 × 4.4 mm, 0.65 mm pitch) - RoHS-compliant, ECOPACK2-certified surface-mount package optimized for compact PCB layouts and automated assembly.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power MCU applications.

Compared with STM32L010F4P6, STM32L031F6P6 offers scalable memory without pin or software changes, while EFM32ZG108F16 trades EEPROM and ultra-low-power precision for alternative toolchain and RF readiness - making STM32L010F4P6 optimal for cost-sensitive, battery-limited applications demanding embedded nonvolatile data storage.

Availability

STM32L010F4P6 is available at Aetrix Electronics and suitable for wireless sensor nodes, smart metering interfaces, portable medical wearables, and industrial control edge nodes requiring stable component supply and long-term production continuity.

Supply support for STM32L010F4P6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, MEMS, and automotive-grade components since 1987.

The STM32L0 Value line targets cost-optimized, ultra-low-power embedded applications - emphasizing energy efficiency, small footprint, and rapid time-to-market for battery-operated IoT endpoints and industrial sensors.

FAQ

What is the maximum operating frequency of the STM32L010F4P6?

The STM32L010F4P6 runs at up to 32 MHz using its internal 16 MHz HSI oscillator with PLL multiplication or external clock sources. Frequency scaling is dynamically managed across three voltage ranges (Range 1: ≤3.6 V, Range 2: ≤3.3 V, Range 3: ≤3.0 V), with performance limited by supply voltage and temperature per datasheet Table 2.

Does the STM32L010F4P6 support hardware encryption or secure boot?

No. The STM32L010F4P6 does not include hardware cryptographic accelerators (AES, SHA, PKA) or secure boot ROM. It relies on software-based security primitives and external secure elements for authentication or encrypted firmware updates. For built-in security, consider STM32L07x or STM32L5 series.

Can the 128-byte EEPROM be used for storing calibration data across power cycles?

Yes. The embedded 128-byte EEPROM supports byte-wise read/write and has guaranteed endurance of 100,000 write/erase cycles and data retention of 20 years at 55 °C (DS12323 Rev 3, Table 42). It is accessed via dedicated PEC (Program/Erase Controller) peripheral and retains data without external backup power.

Is SWD debug supported on the TSSOP20 package, and which pins are used?

Yes. Serial Wire Debug (SW-DP) is fully supported on the TSSOP20 package using PA13 (SWDIO) and PA14 (SWCLK). These pins are dedicated for debug and cannot be remapped; they require 10 kΩ pull-down on SWDIO and no external loading on SWCLK for reliable JTAG/SWD communication.