STMicroelectronics STM32F058R8T6

Overview

STM32F058R8T6 from STMicroelectronics is an ARM® Cortex®-M0 32-bit microcontroller with 64 KB Flash, 8 KB SRAM, 48 MHz max CPU frequency, 12-bit ADC and DAC, and integrated capacitive touch sensing-designed for cost-sensitive industrial control and smart sensor nodes requiring low-voltage operation (1.8 V digital supply) and robust analog integration.

For engineers reviewing the STM32F058R8T6 datasheet, STM32F058R8T6 pinout, STM32F058R8T6 application, or STM32F058R8T6 equivalent, key selection criteria include its 1.8 V core voltage tolerance, 54 fast I/Os (35 with 5 V tolerance), 11 timers including advanced-control TIM1 with deadtime generation, HDMI CEC interface, and UFBGA64 package suitability for space-constrained PCB layouts.

Technical Context

The STM32F058R8T6 implements a single-cycle ARM Cortex-M0 core with Harvard bus architecture, supporting Thumb-2 instruction set and nested vectored interrupt controller (NVIC) for deterministic real-time response. It integrates a dedicated touch sensing controller (TSC) with up to 17 channels for linear/rotary sensors and supports hardware-accelerated CRC calculation for firmware integrity verification.

Clock management includes dual oscillators: a 4–32 MHz HSE crystal input and 32 kHz LSE for RTC calibration, plus internal RC sources (8 MHz HSI with x6 PLL, 40 kHz LSI). Power architecture separates VDD (1.8 V ±8%) and VDDA (2.4–3.6 V), enabling precise analog measurement while maintaining ultra-low-power Stop mode operation with RTC and backup register retention.

Key Specifications

Pinout & Package

STM32F058R8T6 is housed in a 64-ball UFBGA package (5 × 5 mm, 0.5 mm pitch) with exposed thermal pad, optimized for thermal dissipation in fanless industrial enclosures and conformal-coated environments. Pin assignments follow ST's standard STM32F0 pin mapping with full GPIO remapping capability via AFR registers.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32F058R8T6, STM32F072RBT6 trades touch sensing for USB but requires 3.3 V operation, while STM32G031K8T6 offers faster CPU and security extensions at the cost of HDMI CEC and advanced motor control timers-making STM32F058R8T6 optimal for 1.8 V touch-enabled industrial actuators.

Availability

STM32F058R8T6 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, consumer appliance UI, and medical sensor node applications requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant UFBGA packaging.

Supply support for STM32F058R8T6 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, delivering automotive, industrial, and power discrete solutions with over 40 years of microcontroller innovation.

The STM32F0 series targets cost-optimized, low-power embedded applications-designed specifically for industrial automation, home appliances, and sensor hubs where 1.8 V operation, analog integration, and capacitive touch are critical design requirements.

FAQ

What is the maximum operating frequency and core voltage specification for STM32F058R8T6?

The STM32F058R8T6 operates at up to 48 MHz using the ARM Cortex-M0 core, with strict digital supply voltage requirements of VDD = 1.8 V ±8%. This 1.8 V core enables ultra-low static power consumption while maintaining full peripheral functionality-including ADC, DAC, and all timers-at rated speed. The analog supply VDDA is independently configurable from 2.4 V to 3.6 V to ensure ADC/DAC accuracy across battery discharge profiles.

Does STM32F058R8T6 support hardware-accelerated capacitive touch sensing?

Yes, STM32F058R8T6 integrates a dedicated Touch Sensing Controller (TSC) supporting up to 17 capacitive sensing channels. It provides hardware-accelerated acquisition with spread-spectrum modulation, automatic recalibration, and proximity detection-enabling robust touchkey, linear slider, and rotary encoder implementations without external components. The TSC operates independently of the CPU, allowing touch scanning during low-power Stop mode with wakeup capability.

What debug interface does STM32F058R8T6 provide, and is SWD compatible with standard tools?

STM32F058R8T6 features Serial Wire Debug (SWD) with two-pin interface (SWCLK/SWDIO) and optional SWO trace output. It is fully compatible with ST-LINK/V2, J-Link, and CMSIS-DAP debug probes. SWD supports full JTAG-equivalent functionality-including flash programming, real-time variable watch, and breakpoint debugging-while occupying minimal PCB area and enabling in-system firmware updates via UART bootloader if SWD is disabled.

How does the HDMI CEC interface function on STM32F058R8T6, and what is its wakeup capability?

The STM32F058R8T6 includes a dedicated HDMI Consumer Electronics Control (CEC) physical layer with hardware header detection logic. It monitors CEC bus activity in Stop mode and wakes the MCU upon valid CEC message header reception-achieving sub-1 µA standby current. This enables always-on remote control reception in AV receivers and smart displays without external wake circuitry, with full message parsing handled by firmware using the CEC peripheral registers.