STM32F303VCT6 - 72MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics
MPN： STM32F303VCT6 ✓ 啟用中STM32F303VCT6 概覽
A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, and peripherals into one device. The STM32F3 family combines general-purpose control with high-speed analog conversion, comparators, timers, communication interfaces, and an Arm Cortex-M4 core. This hierarchy places the device in the embedded microcontroller category, where the MCU executes firmware, samples analog inputs, drives outputs, and communicates with external equipment.
Principal features include a 72 MHz maximum CPU frequency, 256KB of embedded flash, up to 48KB of SRAM, and a 12-bit ADC capable of 5 MSPS operation. The device also includes four ADC instances, two DAC channels, seven comparators, programmable gain amplification, DSP support, a floating-point unit, and a memory protection unit. A CAN 2.0A and 2.0B controller supports standard and extended frames at rates up to 1 Mbit/s according to the manufacturer datasheet.
The Cortex-M4 architecture supports efficient digital signal processing and floating-point calculations while retaining a low-power embedded operating model. Flash and SRAM provide room for a boot loader, real-time control routines, calibration data, and communications stacks. The dedicated analog resources reduce the need for external converters when designing sensor-conditioning, motor-control, power-monitoring, or industrial measurement boards.
Typical applications include motor drives and inverters, industrial data acquisition, programmable logic controllers, power-supply monitoring, battery-management equipment, and CAN-connected embedded controllers. The 100-pin LQFP package exposes the mixed-signal resources and multiple communication functions while remaining compatible with conventional leaded assembly and inspection processes.
For PCB design, follow the pin and decoupling recommendations in the manufacturer datasheet, keep analog and digital return paths disciplined, and verify each peripheral instance against the selected pin multiplexing options. Program development also depends on the STM32CubeMX, STM32CubeIDE, and CMSIS device-support packages installed for the STM32F303VC family.
直接替換替代品，適用於 STM32F303VCT6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM32F303VCT6 （相同外形與佔位） — 差異在於 Package, SRAM, Product Type, Flash Memory, Lifecycle Status.
STM32F302VCT6
✅ 直接替換聯絡詢價
查看資料表 →STM32F303VCT7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F303VCU6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F303VCT6 最大額定值與電氣特性
| Product Type | 32-bit mixed-signal microcontroller (MCU) |
| Processor Core | Arm Cortex-M4 with DSP and FPU |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | 256 KB |
| SRAM | 48 KB |
| Program Memory Type | 256K x 8 flash |
| ADC | 4 x 12-bit ADC, up to 5 MSPS |
| ADC Features | Programmable gain amplifier and 7 comparators |
| DAC | 2 channels |
| CAN Controller | CAN 2.0A and 2.0B, up to 1 Mbit/s |
| CAN Frame Support | 11-bit standard and 29-bit extended identifiers |
| Memory Protection Unit | Yes |
| CCM RAM | Yes |
| 工作電源電壓 | 2.5 V / 3.3 V |
| 封裝 | 100-pin LQFP (14 x 14 mm) |
| 安裝類型 | Surface Mount |
| 生命週期狀態 | Active Mainstream |
| RoHS 狀態 | Compliant |
STM32F303VCT6 100-pin lqfp (14 x 14 mm) 腳位配置指南
STM32F303VCT6（100-pin lqfp (14 x 14 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： STM32F303VCT6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32F303VCT6 適用於 6 應用s: Industrial Sensor Data Acquisition, Motor Control and Power Inverter, CAN-Connected Embedded Control, Precision Analog Control System, Programmable Logic Controller, Programmable Power Supply Controller.
Industrial Sensor Data Acquisition
The STM32F303VCT6 fits multi-channel industrial measurement systems that require rapid analog sampling and local signal processing. Its four 12-bit ADCs can operate up to 5 MSPS, while the Cortex-M4 DSP instructions and floating-point unit can execute filtering and scaling without offloading every operation to an external processor. The 256KB flash provides room for a boot loader, calibration tables, filtering algorithms, and a communications stack. Design the analog inputs around the ADC input impedance and sampling requirements, keep the reference and supply paths short, and route digital return currents away from sensitive sensor nodes.
推薦
Motor Control and Power Inverter
The STM32F303VCT6 is appropriate for motor drives, inverter control, and power-conversion boards that combine fast feedback sampling with deterministic control calculations. The 72 MHz Cortex-M4 core executes DSP and floating-point routines, and the four ADCs with up to 5 MSPS performance can monitor phase currents and bus voltage. Comparators can support fast overcurrent and protection decisions, while timers provide the switching-control framework. The design must still account for gate-driver propagation delay, current-sense scaling, desaturation protection, and the safe operating limits of the selected power stage.
推薦
CAN-Connected Embedded Control
The STM32F303VCT6 works well in CAN-connected industrial controllers, motor nodes, and remote equipment where the MCU must combine real-time control with a network interface. Its CAN controller supports CAN 2.0A and 2.0B operation, standard 11-bit and extended 29-bit identifiers, and bit rates up to 1 Mbit/s. The remaining Cortex-M4 processing capability can run control logic, diagnostics, and local data buffering while the CAN peripheral handles frame transmission and reception. Select an isolated or non-isolated transceiver to match the bus environment, terminate both ends correctly, and validate the timing configuration under worst-case clock tolerance.
推薦
Precision Analog Control System
The STM32F303VCT6 is useful in process-control and instrumentation designs where analog measurement and output generation must share one microcontroller. Four 12-bit ADCs, programmable gain amplification, seven comparators, and two DAC channels reduce the need for discrete conversion circuitry. The Cortex-M4 floating-point unit supports compensation and filtering calculations, while the 256KB flash holds calibration coefficients and control code. Keep the DAC reference and ADC reference layout clean, follow the datasheet bypass requirements, and treat analog accuracy as a system-level specification that depends on reference quality, grounding, and calibration.
推薦
Programmable Logic Controller
The STM32F303VCT6 can serve as the core processor of a compact PLC or machine-control module because it combines fast control execution, mixed-signal conversion, timers, and communication capability in one device. The 256KB flash accommodates control logic and configuration data, while up to 48KB of SRAM supports task scheduling and communication buffers. Its analog inputs can monitor process signals directly, and its comparators can implement simple threshold functions. For industrial deployment, include watchdog recovery, brownout handling, isolation in the I/O architecture, and firmware versioning so field upgrades remain traceable.
推薦
Programmable Power Supply Controller
The STM32F303VCT6 can supervise a programmable power module by combining closed-loop control calculations with high-rate analog measurements. Its ADC inputs can monitor output voltage, input voltage, and shunt-regulated current, while comparator channels can provide fast threshold events. The 72 MHz Cortex-M4 core leaves headroom for digital compensation, communication, and fault logging beyond the primary control loop. The analog and digital sections should be separated carefully because switch-node transients can couple into converter feedback. Confirm current-limit behavior, soft-start sequencing, and fault-latching requirements during hardware validation.
推薦
推薦產品摘要
工程參考資料，適用於 STM32F303VCT6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM32F302VCT6 | STM32F303VCT7 | STM32F303VCU6 |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 100-pin LQFP (14 x 14 mm) | 100-pin LQFP | 100-pin LQFP | 100-pin LQFP |
| Processor Core | Arm Cortex-M4 with DSP and FPU | Arm Cortex-M4 family | Arm Cortex-M4 with DSP and FPU | Arm Cortex-M4 with DSP and FPU |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
主要差異化特點
- Four high-speed 12-bit ADCs with PGA support (對比STM32F302VCT6)
- 72 MHz Cortex-M4 processing with DSP and FPU (對比STM32F303VCT7)
- Mixed-signal integration reduces external converter count (對比STM32F303VCU6)
設計說明
Separate analog and digital return paths as far as the LQFP floorplan allows. Route ADC inputs away from high-current switching nodes and keep the MCU ground connection to the quiet analog ground plane at a controlled return point. Place the required input, reference, and output bypass capacitors close to their associated pins according to the manufacturer datasheet. A compact analog front end is ineffective if switching-node coupling or shared ground impedance corrupts the measured signal.
Design the 2.5 V or 3.3 V supply with startup, transient-response, and brownout margin appropriate to the load. Confirm that every voltage rail used by the selected power configuration stays within its operating range during debugger attachment, peripheral wake-up, and load transitions. Check the maximum total current drawn by the MCU, analog converters, and external peripherals instead of designing the regulator for the core current alone.
Do not assume that all ADC inputs, comparator inputs, DAC outputs, or timer channels are simultaneously usable. Pin multiplexing can move a peripheral function to an alternative pad, and some analog or debug functions share pins. Create the board layout from the STM32CubeMX pin-assignment table for the exact order code, then cross-check it against the manufacturer pin table and the PCB library. Verify SWD access remains available if the design is intended to support in-circuit debugging.
合規資訊
RoHS compliance is identified for the STM32F303VCT6. The STMicroelectronics product page classifies the STM32F303VC family as Active Mainstream. No automotive qualification is claimed for this order code.