STMicroelectronics STM32F302VCT6

Overview

STM32F302VCT6 from STMicroelectronics is an Arm® Cortex®-M4 32-bit MCU with FPU, operating up to 72 MHz, featuring 256 KB Flash, 40 KB SRAM (16 KB with HW parity), dual 12-bit ADCs (17-channel, 0.2 µs conversion), one 12-bit DAC, four rail-to-rail comparators, and two programmable-gain operational amplifiers. It integrates CAN 2.0B, USB FS, five USARTs, three SPIs/I2S, two I²C, RTC with alarm, and capacitive touch sensing - deployed in motor control, digital power supplies, and industrial sensor interfaces.

For engineers reviewing the STM32F302VCT6 datasheet, STM32F302VCT6 pinout, STM32F302VCT6 application, or STM32F302VCT6 equivalent, key selection criteria include its integrated analog front-end (dual ADCs + DAC + OPAMPs + COMP), 5 V-tolerant GPIOs, LQFP100 package with 87 fast I/Os, and support for real-time control loops requiring sub-microsecond timing precision and mixed-signal integration.

Technical Context

The STM32F302VCT6 implements a tightly coupled Cortex-M4 core with single-cycle MAC, hardware divide, DSP extensions, and MPU-enabling deterministic execution of motor control algorithms and digital signal processing. Its analog subsystem includes two independent 12-bit ADCs with selectable resolution (6/8/10/12-bit), differential input capability, and dedicated analog supply (2.0–3.6 V), synchronized via shared trigger sources.

Clock architecture supports multiple sources: 4–32 MHz HSE crystal, 32 kHz LSE for RTC, 8 MHz HSI with PLL multiplication, and 40 kHz LSI for watchdogs. The interconnect matrix enables concurrent peripheral access without bus contention, critical for simultaneous ADC sampling, PWM generation, and CAN messaging in real-time embedded systems.

Key Specifications

Pinout & Package

LQFP100 package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad; 100-pin quad flat configuration supporting full peripheral mapping, 5 V-tolerant I/Os on selected ports, and dedicated VDDA/VSSA analog supply pins for noise isolation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F302VCT6, the F303VCT6 offers identical analog integration but greater memory headroom for complex control stacks, while the G431KBT6 delivers superior analog performance and computational acceleration at the cost of software migration effort and non-pin-compatible packaging.

Availability

STM32F302VCT6 is available at Aetrix Electronics and suitable for motor control systems, digital power supplies, industrial sensor nodes, and human-machine interfaces requiring stable component supply across extended production lifecycles.

Supply support for STM32F302VCT6 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, specializing in microcontrollers, power management, analog, MEMS, and automotive ICs.

The STM32F3 series targets cost-sensitive, performance-driven industrial and consumer applications requiring rich analog integration and real-time control - designed specifically for digital power, motor control, and sensor fusion without external signal-conditioning components.

FAQ

What is the maximum operating frequency and supported clock sources?

The STM32F302VCT6 operates at up to 72 MHz using its internal 8 MHz HSI oscillator multiplied by the PLL, or directly from an external 4–32 MHz crystal (HSE). It also supports 32.768 kHz LSE for RTC and 40 kHz LSI for watchdogs - all sources are switchable at runtime with automatic fallback and clock security system detection.

Does the device support hardware CRC and memory protection?

Yes, it includes a dedicated CRC calculation unit compliant with IEEE-802.3 for fast checksum generation on data buffers or firmware images. It also features a Memory Protection Unit (MPU) with eight configurable regions to enforce privilege levels, prevent stack overflow, and isolate critical code sections - meeting IEC 61508 SIL-2 functional safety requirements.

How many analog inputs can be sampled simultaneously and at what resolution?

Two independent 12-bit ADCs support up to 17 external channels each, with simultaneous sampling possible via hardware synchronization. Resolution is programmable per conversion (6/8/10/12-bit), trading speed for precision - e.g., 12-bit mode achieves 0.2 µs conversion time, while 6-bit mode reaches 0.1 µs with reduced SNR.

What debug interfaces are available and do they support real-time tracing?

It supports Serial Wire Debug (SWD) and JTAG for programming and breakpoint-based debugging. Crucially, it includes an Embedded Trace Macrocell (ETM) that outputs instruction and data trace streams over SWO pin - enabling non-intrusive, real-time analysis of program flow and variable values during live motor control loop execution.