STM32F302C8T6 - 72MHz Cortex-M4 MCU, 64KB Flash | STMicroelectronics
料号： STM32F302C8T6 ✓ 量产中STM32F302C8T6 概述
A microcontroller is a semiconductor that integrates a processor core, memory, and peripherals into one device. The STM32F302x6/x8 family belongs to the STM32 mixed-signal MCU portfolio, where the Cortex-M4 core executes control software while analog and communications peripherals handle sensor inputs, signal conversion, and external data links. This integration reduces component count and allows firmware to coordinate control, measurement, and communication within a single device.
The headline configuration combines a maximum operating frequency of 72 MHz with 64 KB of program Flash and 16 KB of SRAM. The Cortex-M4 core includes single-cycle multiply and accumulate capabilities and an embedded FPU for efficient fixed-point and floating-point control calculations. Integrated USB, CAN, ADC, DAC, comparators, and operational amplifiers make the MCU suitable for industrial control, sensor conditioning, motor assistance, communications, and compact embedded instruments.
Program Flash stores firmware and constant data, while SRAM supports stack, variables, and working buffers. A 64 KB Flash capacity is appropriate for moderate control applications that do not require extensive graphical assets or large protocol stacks. The mixed-signal feature set allows a design to perform analog measurement and output generation without relying on multiple external signal-chain ICs.
Typical applications include industrial motor controllers, CAN-connected sensor nodes, USB instrumentation, power-conversion control loops, data acquisition modules, and compact embedded control products. The 48-LQFP package provides a practical pin count for systems requiring multiple I/O functions, while the 7 x 7 mm body supports space-conscious board layouts compared with larger leaded packages.
Design decisions should prioritize the power supply, decoupling, clock strategy, and exposed peripheral assignment. Place local decoupling capacitors close to supply pins, route sensitive analog inputs away from fast-switching nodes, and confirm unused pins against the manufacturer pinout and alternate-function tables before finalizing the PCB.
This product overview combines the exact configuration of the STM32F302C8T6 with practical information on memory, mixed-signal peripherals, package constraints, sourcing, and replacement selection. It also distinguishes true same-footprint options from general STM32 alternatives that may require firmware, peripheral, or PCB changes.
直接替换替代料： STM32F302C8T6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32F302C8T6 （相同外形与封装尺寸） ——差异在于 Package, Flash Memory, Product Type, Architecture, Processor Core.
STM32F302C8T7
✅ 直接替换📋 参考替代料（不在目录中）
STM32F303C8T6
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →STM32F303C8T7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32F302C8T6 最大额定值与电气特性
| Product Type | 32-bit mixed-signal microcontroller |
| Processor Core | Arm Cortex-M4 RISC core |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 16 KB |
| Architecture | 32-bit |
| Floating-Point Unit | Integrated FPU |
| 封装 | 48-LQFP (7 x 7 mm) |
| 引脚数 | 48 pins |
| 电源电压 | 2.0 V to 3.6 V |
| ADC | Integrated ADC |
| DAC | Integrated DAC |
| Comparators | Integrated comparator |
| Operational Amplifiers | Integrated operational amplifier |
| USB Interface | Integrated USB |
| CAN Interface | Integrated CAN |
| 安装类型 | Surface mount |
STM32F302C8T6 48-lqfp (7 x 7 mm) 引脚配置指南
STM32F302C8T6（48-lqfp (7 x 7 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32F302C8T6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F302C8T6 适用于 6 应用s: Industrial Sensor and Control Node, USB Connected Instrumentation, CAN-Based Equipment Interface, Precision Analog Control System, Embedded Motor Auxiliary Controller, Compact Power Conversion Controller.
Industrial Sensor and Control Node
The STM32F302C8T6 fits compact industrial sensor nodes because its 72 MHz Cortex-M4 core can execute control and communication software while the integrated ADC, comparators, and operational amplifiers process analog inputs. The 64 KB Flash capacity supports moderate firmware, and 16 KB SRAM is suitable for control variables and communication buffers. A 3.3 V supply fits conventional industrial controller power rails. Engineers should preserve analog grounding, isolate sensitive input traces from switching nodes, and verify the exact alternate-function assignment for every selected GPIO or peripheral pin.
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USB Connected Instrumentation
The STM32F302C8T6 is suitable for USB-connected measurement instruments because it combines a 72 MHz Cortex-M4 processor, 16 KB SRAM, and an integrated USB interface in one 48-LQFP device. Firmware can perform acquisition control, calibration, and data transfer without requiring a separate USB interface controller. The same MCU also includes ADC and DAC resources for input conditioning and stimulus generation. Keep USB routing away from analog inputs, follow the manufacturer reference layout for USB data pairs, and confirm transceiver, connector, and firmware requirements against the device documentation.
推荐
CAN-Based Equipment Interface
The STM32F302C8T6 works well in CAN-connected industrial equipment because its Cortex-M4 core handles protocol processing and real-time control while the integrated CAN controller reduces the external logic requirement. Its 2.0 V to 3.6 V operating range supports 3.3 V system rails, and the 48-LQFP package offers enough pins for CAN, status indicators, sensors, and actuators. A CAN transceiver remains necessary at the physical bus interface. Firmware must also handle bus arbitration, fault recovery, filtering, and termination through the device's peripheral implementation.
推荐
Precision Analog Control System
The STM32F302C8T6 is appropriate for precision mixed-signal control because it combines an ADC, DAC, comparators, and operational amplifiers with a 72 MHz Cortex-M4 core. The processor can close control loops and process measurements while the analog peripherals perform input comparison, signal conditioning, and output generation. The 16 KB SRAM supports control variables and buffers without requiring a separate processor for every analog function. Layout should provide clean analog and digital return paths, short high-impedance connections, and controlled impedance around sensitive inputs to minimize offset and coupling effects.
推荐
Embedded Motor Auxiliary Controller
The STM32F302C8T6 can serve as an embedded motor auxiliary controller where position sensing, current monitoring, and deterministic control must be combined in one compact device. Its 72 MHz Cortex-M4 core provides computational headroom, while integrated ADC, comparators, and operational amplifiers support sensing and feedback paths. The 48-LQFP package offers a practical balance between pin availability and board area. Validate timing, PWM and timer resources, input filtering, fault shutoff behavior, and thermal performance in the final motor environment before production release.
推荐
Compact Power Conversion Controller
The STM32F302C8T6 supports compact power-conversion control applications by pairing a 72 MHz Cortex-M4 core with high-speed analog conversion, comparators, and a DAC. Firmware can implement current or voltage loops, manage sequencing, supervise faults, and expose diagnostics through USB or CAN. Its 2.0 V to 3.6 V range allows operation from a regulated 3.3 V control rail, while 64 KB Flash accommodates moderate control algorithms. Power-stage layout, grounding, feedback compensation, safety shutdown, and timing margin must be validated independently of the MCU datasheet specifications.
推荐
推荐产品汇总
工程参考数据： STM32F302C8T6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32F302C8T7 | STM32F303C8T6 | STM32F303C8T7 |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) |
| Processor Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Pin Count | 48 pins | 48 pins | 48 pins | 48 pins |
| Qualification and Ordering Status | T6 ordering code | T7 ordering code | T6 ordering code | T7 ordering code |
关键差异点
- Integrated mixed-signal resources in a 72 MHz Cortex-M4 MCU （对比 STM32F303C8T6)
- Exact 64 KB Flash and 16 KB SRAM target configuration （对比 STM32F303C8T7)
- Closest documented suffix-level replacement （对比 STM32F302C8T7)
设计说明
The STM32F302C8T6 operates across 2.0 V to 3.6 V, so a 3.3 V design must account for regulator tolerance, startup sequencing, and local decoupling. Place the required bulk and high-frequency capacitors beside their associated supply pins and keep the return path continuous. Confirm analog-supply requirements against the exact pin description before deciding whether VDDA and VSSA need separate filtering. Do not derive analog reference requirements from a generic STM32F3 design.
Use the manufacturer package drawing and exact pin table for the 48-LQFP layout. Assign sensitive ADC, comparator, and operational-amplifier inputs before placing other signals, and route them away from USB, switching, and high-current return paths. The 7 x 7 mm package saves area but does not create extra routing space; a four-layer board can generally simplify analog partitioning and provide a more controlled return path than a dense two-layer implementation.
Do not treat a related STM32F302 or STM32F303 suffix as automatically interchangeable. Check the ordering table, package drawing, alternate-function matrix, boot configuration, interrupt vector, timer resources, and firmware dependencies before substitution. Existing CubeMX-generated projects may assume peripheral instances or pin assignments that differ across related devices. Run boot, clock, analog calibration, USB, and CAN tests on the alternate part rather than relying only on a successful compilation.
Keep USB traces as a short, continuous pair over a stable reference plane and apply the USB routing and impedance guidance in the device documentation. For ADC and comparator signals, minimize trace length, keep sources away from digital clocks and power-conversion edges, and provide local return paths for sensitive measurements. Validate filter and sampling choices with oscilloscope measurements because nominal 72 MHz CPU operation does not guarantee acceptable signal integrity in an unsuitable board layout.
合规信息
The manufacturer product page identifies the STM32F302x6/x8 family, but no explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations are included in the cited records. The T6 and T7 ordering suffixes must be checked in the manufacturer ordering information before assigning a specific qualification status.