STMicroelectronics STM32F302CCT7

Overview

STM32F302CCT7 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, 0.20 µs conversion), one 12-bit DAC, four rail-to-rail comparators, and two programmable-gain operational amplifiers. It integrates CAN 2.0B, USB 2.0 FS, five USARTs, three SPIs (two with I2S), two I2C Fast-mode-plus interfaces, and 24-channel capacitive touch sensing - deployed in motor control, digital power supplies, and industrial sensor hubs.

For engineers reviewing the STM32F302CCT7 datasheet, STM32F302CCT7 pinout, STM32F302CCT7 application, or STM32F302CCT7 equivalent, key selection considerations include its integrated analog front-end (dual ADCs + DAC + PGAs + comparators), 5 V-tolerant GPIOs, CAN+USB coexistence, and LQFP48 package suitability for space-constrained industrial control modules.

Technical Context

The STM32F302CCT7 implements a tightly coupled Cortex-M4 core with single-cycle MAC, hardware divide, DSP extensions, and MPU - enabling deterministic real-time control in closed-loop systems. Its analog subsystem includes two independent 12-bit ADCs with selectable resolution (6/8/10/12-bit), differential input support, and separate 2–3.6 V analog supply, plus a dedicated 16-bit basic timer (TIM6) for DAC triggering.

Clock architecture combines four oscillators: 4–32 MHz HSE, 32.768 kHz LSE for RTC, 8 MHz HSI with PLL (up to 72 MHz), and 40 kHz LSI - enabling precise timing for mixed-signal applications requiring simultaneous high-speed digital execution and low-jitter analog sampling.

Key Specifications

Pinout & Package

LQFP48 (7 × 7 mm, 0.5 mm pitch) package with 37 general-purpose I/Os - all mappable to external interrupt vectors and up to 31 pins 5 V-tolerant for interfacing with legacy logic or industrial sensors.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F302CCT7, STM32F303CCT6 offers identical analog integration with added bootloader features for remote updates, while STM32G431CBT6 trades PGAs and comparators for higher clock speed and math acceleration - making it optimal for computationally intensive control rather than analog-rich signal conditioning.

Availability

STM32F302CCT7 is available at Aetrix Electronics and suitable for industrial motor control, digital power conversion, and embedded sensor hub applications requiring stable component supply and long-term manufacturing continuity.

Supply support for STM32F302CCT7 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 specializing in microcontrollers, power management, and analog/mixed-signal ICs - serving automotive, industrial, and consumer markets with scalable, certified platforms.

The STM32F3 series targets cost-sensitive, analog-intensive embedded applications - combining high-precision mixed-signal peripherals with Cortex-M4 performance for motor control, digital power, and human interface systems.

FAQ

Does STM32F302CCT7 support USB device mode without external components?

Yes. The STM32F302CCT7 integrates a full-speed USB 2.0 transceiver with internal pull-up resistors and voltage regulators, enabling USB device functionality using only a standard USB Type-A connector and decoupling capacitors - no external PHY or level shifters required.

What is the maximum operating temperature range for STM32F302CCT7?

The STM32F302CCT7 is qualified for industrial temperature range: –40 °C to +85 °C ambient. This is confirmed in Section 6.3.1 of DS9911 Rev 9, with thermal derating guidelines provided in Section 7.5 for sustained operation near upper limits.

Can the two operational amplifiers be used simultaneously with the ADCs?

Yes. Both OPAMPs have dedicated non-inverting/inverting inputs and outputs accessible on separate GPIOs (e.g., PA1/PB0/PB1 for OPAMP1; PA7/PB12/PB13 for OPAMP2), and their outputs can be routed directly to ADC channels - enabling real-time signal conditioning prior to digitization without CPU intervention.

Is the 96-bit unique ID accessible via standard firmware APIs?

Yes. The 96-bit unique ID is mapped to memory address 0x1FFF7A10 and readable via HAL_GetUID() in STM32Cube HAL libraries or direct memory access - used for device authentication, license binding, and secure firmware update verification in production firmware.