Description
The STM32F373RBT6 is a sophisticated 32-bit microcontroller from the STM32 F3 series, powered by the high-performance ARM® Cortex®-M4 RISC core with a Floating Point Unit (FPU). Operating at up to 72MHz, this device is specifically designed for high-precision measurement and signal processing applications. It distinguishes itself by integrating high-resolution 16-bit Sigma-Delta (Σ-Δ) ADCs alongside fast 12-bit ADCs, two DACs, and two comparators, providing an unparalleled analog front-end for complex sensing tasks.
Equipped with 128kB of Flash memory and 24kB of SRAM, the STM32F373RBT6 manages heavy computational loads with ease, supported by a versatile array of communication interfaces including CAN, USB Full-Speed, I²C, SPI, and USART. The device also features an integrated capacitive sensing controller capable of supporting up to 24 channels, making it an excellent choice for modern human-machine interface (HMI) applications. With its robust power management, multiple low-power modes, and extensive timer suite, this MCU is a highly capable platform for precision industrial control, medical instrumentation, and advanced consumer electronics.
Key Features
- ARM® Cortex®-M4F Core: 32-bit CPU with FPU, delivering 1.25 DMIPS/MHz for intensive signal processing.
- Precision Analog Front-End: Features 16-bit Sigma-Delta ADCs, fast 12-bit ADCs, dual DACs, and two comparators.
- Capacitive Sensing: Dedicated hardware support for up to 24 capacitive touch-sensing channels.
- Connectivity Suite: Includes CAN (2.0B), USB Full-Speed, 3× SPI/I²S, 2× I²C, and 3× USART.
- Advanced Timer Suite: Nine 16-bit and two 32-bit general-purpose timers, plus dedicated 16-bit basic timers for DAC control.
- System Reliability: CRC calculation unit, independent/system watchdog timers, POR/PDR, and a programmable voltage detector.
- Efficient Power Management: Multiple low-power modes (Sleep, Stop, Standby) and VBAT support for RTC and backup registers.
Applications
- Precision Measurement: Ideal for high-accuracy weight scales, pressure sensors, and analytical instruments using Σ-Δ conversion.
- Human-Machine Interface: Highly responsive capacitive touch panels and user control interfaces.
- Industrial Automation: Reliable control platforms for smart sensors, industrial networking, and precision motor control.
- Medical Equipment: High-precision signal acquisition for portable diagnostic and monitoring devices.
Package Includes
- 1 x STM32F373RBT6 ARM Cortex-M4F 32-Bit Microcontroller (LQFP)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device Model | STM32F373RBT6 |
| Core Architecture | ARM Cortex-M4F (with FPU) |
| Operating Frequency | 72 MHz |
| Data Bus Width | 32-bit |
| Supply Voltage | 2V to 3.6V |
| Operating Temp | –40°C to +85°C |
| Package/Case | LQFP |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete register maps, pinout configurations, electrical characteristics, and detailed application circuit integration, please refer to the official STMicroelectronics STM32F3 Series documentation.
