STM32F373VBT7 - 72MHz Cortex-M4 MCU | STMicroelectronics
N.º da peça: STM32F373VBT7 ✓ AtivoSTM32F373VBT7 Visão geral
An ARM Cortex-M4 microcontroller is a reduced-instruction-set embedded processor designed around the Cortex-M4 core and its optional single-precision floating-point unit. Within the embedded-system hierarchy, it belongs to the STM32F3 family and combines general-purpose control, real-time signal processing, and analog conversion in one device. This integration makes the STM32F373VBT7 useful when a design needs more than basic GPIO, timer, and communication control.
The principal specifications include a 72 MHz maximum core frequency, 128 KB of Flash program memory, 24 KB of SRAM, four ADC channels, three DAC channels, and two comparators. Its Cortex-M4 FPU accelerates floating-point calculations, while the 16-bit sigma-delta ADC supports higher-resolution acquisition than a conventional 12-bit SAR ADC. The 2.0 V to 3.6 V operating range also supports low-voltage embedded systems and portable equipment.
The STM32F373 architecture provides a balance of processing throughput, memory, and mixed-signal resources in a 100-pin LQFP package measuring 14 mm by 14 mm. The larger package provides a substantial pin count for mixed analog and digital designs, while the Cortex-M4 DSP and FPU capabilities support filtering, control calculations, and other numeric processing. Exact peripheral counts, timer configurations, and electrical limits should be confirmed against the manufacturer datasheet before schematic sign-off.
Typical applications include industrial sensor acquisition, precision measurement equipment, audio signal-chain control, low-voltage embedded controllers, laboratory instrumentation, and compact motor-control systems. The four ADCs and three DACs can reduce the need for separate conversion components in designs that measure analog quantities and generate controlled analog outputs. The 72 MHz core also provides useful headroom for digital filtering and supervisory control.
Designers should reserve input and output decoupling close to the supply pins, verify analog-reference requirements, and validate every connected pin against the official pinout. Because detailed pin multiplexing and peripheral routing are not contained in the supplied source excerpts, the complete STM32F373VB datasheet and its reference manual must be checked before assigning analog, debug, communication, or timer functions. Firmware should also be validated on the selected board rather than assumed to transfer unchanged between MCU variants.
This product record consolidates verified manufacturer and distributor specifications with practical selection guidance, including package, memory, analog-conversion resources, sourcing information, and candid drop-in-replacement cautions. It adds engineering context about ADC, DAC, comparator, voltage, and processor capabilities while clearly separating verified facts from details that still require datasheet confirmation.
Alternativas drop-in para STM32F373VBT7 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
STM32F302VBT6TR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32F303VBT6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32F358VCT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F401VBT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F411VCEU6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F373VBT7 Classificações máximas e características elétricas
| Product Type | 32-bit ARM Cortex-M4 mixed-signal microcontroller |
| Core Processor | ARM Cortex-M4 with FPU |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | 128 KB |
| SRAM | 24 KB |
| ADC Count | 4 ADC channels |
| ADC Resolution | 16-bit sigma-delta and 12-bit SAR |
| DAC Count | 3 DAC channels |
| Comparator Count | 2 comparators |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Encapsulamento | 100-lead LQFP |
| Package Dimensions | 14 mm x 14 mm |
| Contagem de pinos | 100 pins |
| Tipo de montagem | Surface mount |
| Programming Memory Organization | 128K x 8 bits |
Guia de Configuração de Pinos do STM32F373VBT7 14 mm x 14 mm
Configuração de pinos para STM32F373VBT7 (pacote 14 mm x 14 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para STM32F373VBT7.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
STM32F373VBT7 é adequado para 6 aplicaçãos: Industrial Sensor Acquisition, Precision Measurement Instrumentation, Audio Signal Conditioning, Low-Voltage Embedded Control, Laboratory and Test Equipment, Compact Motor and Actuator Control.
Industrial Sensor Acquisition
The STM32F373VBT7 fits industrial sensor-acquisition systems that combine analog measurement with real-time control. Its four ADC channels include 16-bit sigma-delta and 12-bit SAR conversion capability, allowing slow, high-resolution measurements and faster conventional sampling to share one MCU. The 72 MHz Cortex-M4 core can execute filtering, scaling, compensation, and supervisory logic between samples. With 128 KB of Flash and 24 KB of SRAM, the device also accommodates communication routines and control firmware. The 2.0 V to 3.6 V operating range supports low-voltage designs, but input protection, reference conditioning, isolation, calibration, and EMC requirements must be addressed at the board level.
Recomendado
Precision Measurement Instrumentation
The STM32F373VBT7 is appropriate for precision measurement instruments because it combines a 72 MHz Cortex-M4 processor with four ADCs, including a 16-bit sigma-delta channel. The sigma-delta ADC can support high-resolution acquisition of slow or heavily filtered signals, while the faster SAR ADC can monitor rapidly changing inputs. The three DAC channels provide controlled analog outputs for stimulus generation, calibration, or reference compensation, and the two comparators support threshold events without continuous CPU polling. Its 128 KB of Flash accommodates application firmware and calibration tables. Analog layout, reference quality, input bandwidth, and numerical filtering must be validated for the target accuracy.
Recomendado
Audio Signal Conditioning
The STM32F373VBT7 can support compact audio signal-conditioning systems where sampling, attenuation, mixing, or level control must be coordinated with general-purpose logic. Its 16-bit sigma-delta ADC supports high-resolution acquisition, while three DAC channels can generate analog test, control, or compensation signals. The Cortex-M4 FPU and DSP-oriented instruction set are useful for implementing filters and gain calculations at up to 72 MHz. The device avoids the need to combine a separate high-performance MCU and basic converter package when modest channel counts are sufficient. Audio-clock configuration, converter bandwidth, analog filtering, dynamic-range targets, and electromagnetic performance must still be verified against the complete manufacturer documentation.
Recomendado
Low-Voltage Embedded Control
The STM32F373VBT7 suits low-voltage embedded controllers because it operates from 2.0 V to 3.6 V and integrates control, memory, timers, and mixed-signal resources in one package. A 72 MHz Cortex-M4 core can manage state machines, communications, data logging, and control loops, while 128 KB of Flash and 24 KB of SRAM support a consolidated embedded design. The four ADC channels, three DACs, and two comparators can reduce external component count in compact controllers. Designers should account for supply sequencing, decoupling, analog-reference stability, input thresholds, and GPIO current limits. Any enclosure, battery, or industrial temperature requirements must be checked separately because those operating limits are not supplied.
Recomendado
Laboratory and Test Equipment
The STM32F373VBT7 is well suited to laboratory equipment requiring flexible analog acquisition, output generation, and embedded computation. Four ADCs permit multiple measurement paths, the 16-bit sigma-delta channel can serve precision or bandwidth-limited channels, and three DAC channels can provide programmable test outputs. At 72 MHz, the Cortex-M4 can process acquired data, calculate correction terms, and coordinate a user interface or communications link. The 128 KB of Flash and 24 KB of SRAM support embedded control rather than requiring a separate processor for basic functions. For safety-sensitive or laboratory-grade results, engineers must validate calibration, reference drift, noise performance, timing, and isolation as part of the complete instrument design.
Recomendado
Compact Motor and Actuator Control
The STM32F373VBT7 can support compact motor and actuator-control systems that need mixed-signal feedback and real-time computation in one MCU. The 72 MHz Cortex-M4 core is suitable for velocity loops, position calculations, fault monitoring, and communication handling, while the four ADC channels can sample feedback signals and the comparators can detect thresholds with limited CPU involvement. Three DAC channels can generate control references or test signals. Its 128 KB of Flash and 24 KB of SRAM allow control and diagnostic firmware to coexist. The selected motor drivers, protection circuitry, current sensing, switching layout, and thermal design remain system-specific, and the MCU must not be assumed to drive motor power stages directly.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32F373VBT7 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32F302VBT6TR | STM32F303VBT6 | STM32F358VCT6 | STM32F401VBT6 | STM32F411VCEU6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | LQFP-100 (14 mm x 14 mm) | LQFP-100 (14 mm x 14 mm) | LQFP-100 (14 mm x 14 mm) | LQFP-100 (14 mm x 14 mm) | LQFP-100 (14 mm x 14 mm) | LQFP-100 (14 mm x 14 mm) |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 84 MHz | 96 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB | 256 KB |
Principais diferenciais
- Higher-resolution mixed-signal conversion (vs STM32F303VBT6)
- More verified analog output and comparison resources (vs STM32F302VBT6TR)
- Consistent Cortex-M4 performance with verified 128 KB Flash (vs STM32F358VCT6)
- Lower maximum clock than a pin-compatible F4-class option (vs STM32F411VCEU6)
Notas de projeto
Confirm the complete power-supply and decoupling requirements from the official datasheet before assigning VDDA, VREF+, digital supply, and analog-ground pins. The verified operating range is 2.0 V to 3.6 V, but that range alone does not establish permissible power-sequencing combinations. Place the required bypass capacitors close to their associated supply pins, keep analog and digital return paths controlled, and validate startup behavior with the actual external component values used in production.
Treat the 100-pin LQFP footprint as a dense mixed-signal layout problem. Reserve all manufacturer-required pins, maintain continuous ground references beneath the device where recommended, and route sensitive analog inputs away from fast digital switching and motor-control return currents. Because the supplied excerpts do not include the authoritative pin table, do not assign analog, comparator, DAC, debug, or communication functions until the official LQFP-100 drawing has been checked against the selected schematic and PCB library.
Design the acquisition path around the actual converter type rather than treating all four ADC inputs as identical. The 16-bit sigma-delta path is intended for suitable low-bandwidth signals, while the 12-bit SAR path supports different acquisition timing and bandwidth requirements. Check input range, sampling time, source impedance, anti-alias filtering, and reference noise against the manufacturer specifications. Place analog filtering close to the MCU and use a quiet reference arrangement to avoid degrading measurement resolution.
Do not treat a shared LQFP-100 package as proof of firmware-compatible substitution. Before releasing a replacement, compare startup pins, oscillator requirements, power pins, debug interfaces, peripheral instance mappings, interrupts, timer channels, ADC/DAC features, and bootloader behavior. A hardware-compatible candidate may require firmware changes, a different linker configuration, or a revised device tree even when the PCB does not need to change.
Informações de conformidade
The supplied verified excerpts do not state compliance status. Obtain current declarations from STMicroelectronics or the authorized distributor before making environmental or automotive procurement claims.
