Overview
The STM32F373CBT6 is a microcontroller from the STM32F373xx family, produced by STMicroelectronics. This device is based on the high-performance ARM® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 72 MHz. It includes a floating-point unit (FPU), a memory protection unit (MPU), and an Embedded Trace Macrocell™ (ETM). The microcontroller features high-speed embedded memories, including up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM, along with an extensive range of enhanced I/Os and peripherals connected to two APB buses.
The STM32F373CBT6 is designed for low-power applications, offering various power-saving modes such as Sleep, Stop, and Standby. It operates within a temperature range of -40 to +85 °C and is powered by a 2.0 to 3.6 V supply. The device is available in a 48-pin LQFP package.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M4 CPU (72 MHz max), FPU, MPU |
| Memories | 64 to 256 Kbytes of Flash memory, 32 Kbytes of SRAM with HW parity check |
| ADCs | One 12-bit ADC (1 Msps), three 16-bit Sigma Delta ADCs |
| DACs | Two DACs (DAC1 with 2 channels and DAC2 with 1 channel) |
| Timers | Nine 16-bit timers, two 32-bit timers, three basic timers |
| Communication Interfaces | Two I2Cs, three SPIs, three USARTs, CAN, USB 2.0 full speed |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | -40 to +85 °C |
| Package | LQFP 48 7x7x1.4 mm |
| I/Os | Up to 84 fast I/Os, up to 45 I/Os with 5 V tolerant capability |
| Clock Management | 4 to 32 MHz crystal oscillator, internal 8 MHz RC with x16 PLL option |
Key Features
- High-performance ARM® Cortex®-M4 32-bit RISC core with FPU and MPU
- Up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM
- One fast 12-bit ADC and three 16-bit Sigma Delta ADCs
- Two DACs with multiple channels
- Low-power RTC and various timers (16-bit and 32-bit)
- Advanced communication interfaces including I2C, SPI, USART, CAN, and USB 2.0
- Low-power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers
- 12-channel DMA controller and up to 84 fast I/Os
- Two fast rail-to-rail analog comparators and up to 24 capacitive sensing channels
Applications
The STM32F373CBT6 is suitable for a wide range of applications that require high performance, low power consumption, and advanced analog and digital capabilities. These include:
- Industrial control systems
- Medical devices requiring precise analog measurements
- Automotive systems, especially those needing robust communication interfaces
- Consumer electronics requiring low power and high performance
- IoT devices that need efficient power management and advanced peripherals
Q & A
- What is the core architecture of the STM32F373CBT6?
The STM32F373CBT6 is based on the ARM® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32F373CBT6?
The maximum operating frequency is up to 72 MHz.
- How much Flash and SRAM memory does the STM32F373CBT6 have?
It has up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM.
- What types of ADCs are available on the STM32F373CBT6?
It features one 12-bit ADC and three 16-bit Sigma Delta ADCs.
- What communication interfaces are supported by the STM32F373CBT6?
It supports I2C, SPI, USART, CAN, and USB 2.0 full speed interfaces.
- What are the power-saving modes available on the STM32F373CBT6?
The device offers Sleep, Stop, and Standby low-power modes.
- What is the operating temperature range of the STM32F373CBT6?
The operating temperature range is -40 to +85 °C.
- What is the package type of the STM32F373CBT6?
The device is available in a 48-pin LQFP package.
- Does the STM32F373CBT6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What is the purpose of the VBAT supply in the STM32F373CBT6?
The VBAT supply is for the RTC and backup registers.
