STM32F373CBT6 - 72MHz Cortex-M4 128KB MCU | STMicroelectronics
料号： STM32F373CBT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.2373 | $4.24 |
| 10 | $4.2373 | $42.37 |
| 100 | $4.2373 | $423.73 |
| 500 | $4.2373 | $2,118.65 |
| 1,000 | $4.2373 | $4,237.30 |
STM32F373CBT6 概述
A microcontroller is a programmable semiconductor system that integrates a CPU core, memory, peripherals, and interfaces onto one device. The STM32F3 family belongs to the broader embedded-controller hierarchy: ARM Cortex-M core, 32-bit RISC processor, embedded microcontroller, and programmable control component. This classification makes the STM32F373CBT6 suitable where local real-time control and computational processing must coexist on a small PCB footprint.
The principal verified specifications are a 72 MHz maximum operating frequency, 128 KB Flash organized as 128K x 8, a 32-bit ARM Cortex-M4 core, and a 48-LQFP 7 x 7 mm package. The family description also identifies floating-point capability, while distributor results characterize the MCU with an FPU. These resources support motor-control logic, digital signal processing, sensor acquisition, communications, and general embedded control, subject to detailed peripheral and electrical validation from the manufacturer documentation.
The Cortex-M4 architecture provides a 32-bit processing environment with single-precision floating-point support, which is useful for control equations and signal-processing routines that would burden an 8- or 16-bit MCU. The 128 KB Flash region provides on-chip program storage for firmware, while RAM capacity and additional interface details were not present in the supplied authoritative snippets and therefore require confirmation from the manufacturer datasheet before design release.
Typical uses include digital power conversion, motor and motion control, industrial measurement modules, compact sensor controllers, communications equipment, audio or general DSP-assisted signal chains, and consumer products requiring more processing than a basic microcontroller. The 7 x 7 mm LQFP also offers exposed leads for assembly and inspection compared with leadless packages.
Design work should begin with the STMicroelectronics STM32F373CB product page and STM32F373 documentation, then verify electrical limits, complete peripheral assignments, clock requirements, decoupling, programming, and exposed-pad requirements in the manufacturer datasheet. Do not infer unused pins, ADC ratings, timers, or package thermal performance from distributor snippets alone.
This page consolidates verified distributor specifications, official STMicroelectronics resources, sourcing information, and engineering-selection guidance. It deliberately distinguishes confirmed facts from missing datasheet details so engineers can evaluate the STM32F373CBT6 without relying on unverified assumptions.
直接替换替代料： STM32F373CBT6 ——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： STM32F373CBT6 （相同外形与封装尺寸） ——差异在于 Architecture, Flash Memory, Package.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料STM32F373CBT6 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Processor Core | ARM Cortex-M4 |
| Architecture | 32-bit RISC |
| Maximum Operating Frequency | 72 MHz |
| Flash Memory | 128 KB (128K x 8) |
| Floating-Point Support | FPU |
| 封装 | 48-LQFP (7 x 7 mm) |
| 安装类型 | Surface mount |
| Manufacturer | STMicroelectronics |
| Product Series | STM32F3 |
STM32F373CBT6 48-lqfp (7 x 7 mm) 引脚配置指南
STM32F373CBT6（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： STM32F373CBT6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F373CBT6 适用于 6 应用s: Motor and Motion Control, Digital Signal Processing, Industrial Sensor Conditioning, Communications and Gateway Equipment, Consumer Control Products, Power Conversion and Digital Monitoring.
Motor and Motion Control
The STM32F373CBT6 fits compact motor-control and motion-control designs that benefit from a 72 MHz ARM Cortex-M4 core and FPU. The processor can execute control equations, state logic, and timing routines while the STM32F3 family provides the broader platform for embedded control peripherals. Its 128 KB Flash provides room for application firmware, and the 48-LQFP 7 x 7 mm package supports accessible assembly. Before selecting the part, verify timer channels, encoder interfaces, PWM outputs, current sensing, voltage limits, and temperature grade in the official datasheet.
推荐
Digital Signal Processing
The STM32F373CBT6 is suitable for DSP-assisted instrumentation because its verified ARM Cortex-M4 core operates up to 72 MHz and includes an FPU. Floating-point hardware is valuable when a design uses filtering, transforms, control calculations, or fixed-point conversion software. The 128 KB Flash store can hold firmware and lookup data, but the available RAM and signal-chain peripherals must be confirmed before sizing buffers. Use the manufacturer datasheet and reference manual to verify ADC, timer, DMA, and memory specifications rather than assuming interface availability.
推荐
Industrial Sensor Conditioning
The STM32F373CBT6 can serve as the control processor in a compact sensor-conditioning module where deterministic local computation and embedded control are required. Its 32-bit Cortex-M4 architecture, 72 MHz headline frequency, and FPU support more capable filtering and compensation routines than a basic low-power MCU. The 48-LQFP package provides a practical surface-mount footprint for equipment with moderate board space. Confirm the actual ADC resolution, input count, sampling rate, operating temperature, and communication interfaces before using the device in a safety- or measurement-critical system.
推荐
Communications and Gateway Equipment
The STM32F373CBT6 is applicable to communications equipment that requires local protocol handling, configuration, and control alongside a host processor. Its 72 MHz ARM Cortex-M4 core can support event-driven firmware, while 128 KB Flash provides a defined firmware region for a focused embedded application. The LQFP package is easy to inspect and assemble in moderate-volume industrial or consumer gateway products. Verify UART, USB, CAN, SPI, I2C, Ethernet-related support, pin multiplexing, and electrical constraints in the official documentation because those interfaces are not specified in the supplied search snippets.
推荐
Consumer Control Products
The STM32F373CBT6 can be used in consumer devices that need more control capability than a simple state-machine MCU but do not require a large package. The verified 72 MHz Cortex-M4 core and FPU help support user-interface logic, motor sequencing, sound-related control, and configurable product behavior, while 128 KB Flash accommodates embedded firmware. The 48-LQFP package remains practical for conventional PCB assembly. A production design must still verify standby behavior, brownout behavior, supply voltage, peripheral mix, ESD requirements, and lifecycle commitments from STMicroelectronics documentation.
推荐
Power Conversion and Digital Monitoring
The STM32F373CBT6 is a reasonable platform candidate for digital power conversion and monitoring functions when the design benefits from fast 32-bit control and floating-point computation. It can coordinate sequencing, measurement handling, fault logic, and communication tasks around a power subsystem, provided its confirmed timers, ADC, PWM, DMA, and comparison resources satisfy the design. The 128 KB Flash provides space for control and monitoring firmware. Validate input-voltage limits, conversion performance, isolation strategy, thermal conditions, and safety requirements against the official electrical and application documentation.
推荐
推荐产品汇总
工程参考数据： STM32F373CBT6 ——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 |
|---|---|
| Package | 48-LQFP (7 x 7 mm) |
| Brand | STMicroelectronics |
| Processor Core | ARM Cortex-M4 |
| Maximum Operating Frequency | 72 MHz |
| Flash Memory | 128 KB (128K x 8) |
| Architecture | 32-bit RISC |
| Floating-Point Support | FPU |
| Product Series | STM32F3 |
| Verified Price | $4.2373 starting price from LCSC |
| Availability Evidence | LCSC result states in-stock |
关键差异点
- High-performance Cortex-M4 processing （对比 STM32F372CBT6TR)
- Compact verified package and memory combination （对比 STM32F050C4T6A)
- Floating-point-capable embedded control （对比 STM32G071RBT6)
设计说明
Do not design the power rail from distributor summaries alone. Confirm the STM32F373CBT6 supply-voltage limits, internal regulator behavior, power-consumption limits, brownout behavior, and decoupling requirements from STMicroelectronics documentation. Place required input and output capacitors according to the official reference layout, keep the return path short, and verify that adjacent signal and switching-current paths do not inject noise into sensitive analog or timing circuits.
Thermal design cannot be finalized from the supplied 48-LQFP package name alone because the verified data does not provide junction-temperature limits, thermal resistance, or exposed-pad construction. Check the official package drawing and electrical characteristics, provide copper and vias only as recommended by STMicroelectronics, and calculate the worst-case temperature rise from the actual switching and I/O load before approving the board stack-up.
The 48-LQFP footprint is exposed to assembly and inspection, but layout quality still depends on clean power distribution, controlled return currents, and correct pin multiplexing. Verify the complete pinout against the STM32F373CB documentation, reserve programming and debug access, and avoid routing high-current or fast-switching signals beneath sensitive analog sections. Check land pattern, pin-1 orientation, and any exposed-pad connection against the manufacturer drawing rather than a generic LQFP footprint.
Do not treat an STM32F3-family match as an automatic drop-in replacement. Even same-package candidates can differ in flash size, RAM, clock details, peripherals, pin multiplexing, voltage limits, temperature grade, and software identifiers. Compare the official datasheets and errata first, then verify boot, debug, programming, and peripheral compatibility. The supplied cross-reference results do not establish a confirmed drop-in replacement for STM32F373CBT6.
合规信息
The supplied verified search results do not provide authoritative RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current STMicroelectronics product documentation or declaration.