Overview
The STM32H7B3NIH6Q is a high-performance microcontroller from STMicroelectronics, based on the Arm® Cortex®-M7 32-bit RISC core. This device operates at up to 280 MHz and features a floating point unit (FPU) that supports Arm® double-precision (IEEE 754 compliant) and single-precision data-processing instructions. The STM32H7B3NIH6Q is designed to enhance application security with a memory protection unit (MPU) and supports a full set of DSP instructions, making it suitable for demanding applications requiring rapid processing and precise control.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache |
| Operating Frequency | Up to 280 MHz |
| Flash Memory | 2 Mbytes with read while write support, plus 1 Kbyte of OTP memory |
| RAM | ~1.4 Mbytes (including 192 Kbytes of TCM RAM, 1.18 Mbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Peripherals | Two ADCs, two DACs, two ultra-low power comparators, low-power RTC, USB OTG_HS/FS interfaces, HDMI-CEC, camera interface, PSSI, and more |
| Bus Interfaces | Four APB buses, three AHB buses, 32-bit multi-AHB bus matrix, and multi-layer AXI interconnect |
| Package | 216-TFBGA package |
Key Features
- High-performance Arm® Cortex®-M7 core with double-precision FPU and L1 cache
- Support for DSP instructions and memory protection unit (MPU) for enhanced security
- Dual-bank flash memory of 2 Mbytes and extensive RAM options
- Extensive range of enhanced I/Os and peripherals, including ADCs, DACs, comparators, and more
- Support for USB OTG_HS/FS interfaces, HDMI-CEC, camera interface, and PSSI
- Comprehensive set of power-saving modes for low-power applications
- Chrom-ART graphical hardware accelerator and hardware JPEG codec
Applications
- Motor drive and application control
- Medical equipment
- Industrial applications: PLC, inverters, circuit breakers
- Printers and scanners
- Alarm systems, video intercom, and HVAC
- Home audio appliances
- Mobile applications and Internet of Things (IoT)
- Wearable devices: smart watches
Q & A
- What is the core architecture of the STM32H7B3NIH6Q?
The STM32H7B3NIH6Q is based on the 32-bit Arm® Cortex®-M7 core.
- What is the maximum operating frequency of the STM32H7B3NIH6Q?
The maximum operating frequency is up to 280 MHz.
- How much flash memory does the STM32H7B3NIH6Q have?
The device has 2 Mbytes of flash memory with read while write support, plus 1 Kbyte of OTP memory.
- What types of peripherals are available on the STM32H7B3NIH6Q?
The device includes two ADCs, two DACs, two ultra-low power comparators, a low-power RTC, USB OTG_HS/FS interfaces, HDMI-CEC, camera interface, and more.
- What is the purpose of the memory protection unit (MPU) in the STM32H7B3NIH6Q?
The MPU enhances application security by providing memory protection.
- What are the power-saving features of the STM32H7B3NIH6Q?
The device offers a comprehensive set of power-saving modes for low-power applications.
- What is the package type of the STM32H7B3NIH6Q?
The device is packaged in a 216-TFBGA package.
- What are some of the typical applications for the STM32H7B3NIH6Q?
Typical applications include motor drive and control, medical equipment, industrial applications, printers, scanners, and more.
- Does the STM32H7B3NIH6Q support DSP instructions?
Yes, the device supports a full set of DSP instructions.
- What is the role of the Chrom-ART graphical hardware accelerator in the STM32H7B3NIH6Q?
The Chrom-ART graphical hardware accelerator reduces CPU load for graphical tasks.
- Is the STM32H7B3NIH6Q suitable for wearable devices?
Yes, it is suitable for wearable devices such as smart watches due to its high performance and power-saving features.
