Overview
The STM32H7B3IIT6 is a high-performance microcontroller from STMicroelectronics, based on the 32-bit Arm® Cortex®-M7 core. This device is part of the STM32H7 series and is designed to meet the demands of complex and performance-intensive applications. It operates at a frequency of up to 280 MHz and features a floating-point unit (FPU) that supports both single and double precision data-processing instructions. The microcontroller includes advanced security features, extensive peripheral sets, and various power-saving modes, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | 32-bit Arm® Cortex®-M7 with double-precision FPU and L1 cache (16 Kbytes of data and 16 Kbytes of instruction cache) |
| Frequency | Up to 280 MHz |
| Flash Memory | 2 Mbytes with read while write support, plus 1 Kbyte of OTP memory |
| RAM | ~1.4 Mbytes (192 Kbytes of TCM RAM, 1.18 Mbytes of user SRAM, and 4 Kbytes of SRAM in Backup domain) |
| Memory Interfaces | 2x Octo-SPI memory interfaces, flexible external memory controller with up to 32-bit data bus |
| Communication Peripherals | 4x I2C FM+ interfaces, 5x USART/5x UARTs, 6x SPIs, 2x SAIs, 2x SD/SDIO/MMC interfaces, 2x CAN controllers, 1x USB OTG interface |
| Analog Peripherals | 2x ADCs with 16-bit max. resolution, 1x analog and 1x digital temperature sensors, 2x DACs, 2x ultra-low-power comparators, 2x operational amplifiers |
| Power Consumption | Stop: down to 32 µA with full RAM retention, Standby: 2.8 µA, VBAT: 0.8 µA |
| Operating Temperature | -40 to +85 °C |
| Operating Voltage | 1.62 to 3.6 V |
| Packages | LQFP64, LQFP100, LQFP144, LQFP176, TFBGA100, TFBGA216, TFBGA225, UFBGA169, UFBGA176+25 |
Key Features
- High-Performance Core: 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache.
- Advanced Security: ROP, PC-ROP, active tamper, secure firmware upgrade support, and Secure access mode.
- Extensive Peripherals: Includes multiple communication interfaces (I2C, USART, SPI, CAN, USB OTG), analog peripherals (ADCs, DACs, comparators, operational amplifiers), and digital signal processing capabilities.
- Memory and Storage: 2 Mbytes of flash memory, ~1.4 Mbytes of RAM, and support for external memory interfaces.
- Low-Power Modes: Stop, Standby, and VBAT modes to optimize energy efficiency.
- Graphics and Display: LCD-TFT controller up to XGA resolution, Chrom-ART graphical hardware Accelerator (DMA2D), and JPEG hardware codec.
Applications
- Motor Drive and Application Control: Suitable for motor control and application-specific requirements.
- Medical Equipment: Used in medical devices due to its high performance and reliability.
- Industrial Applications: Ideal for PLCs, inverters, circuit breakers, and other industrial control systems.
- Printers and Scanners: Utilized in printing and scanning devices for their processing and peripheral capabilities.
- Alarm Systems and HVAC: Applied in alarm systems, video intercoms, and HVAC systems.
- Home Audio Appliances: Used in home audio appliances for its audio processing capabilities.
- Mobile and IoT Devices: Suitable for mobile applications, Internet of Things (IoT) devices, and wearable devices like smart watches.
Q & A
- What is the core architecture of the STM32H7B3IIT6?
The STM32H7B3IIT6 is based on the 32-bit Arm® Cortex®-M7 core with a double-precision FPU and L1 cache.
- What is the maximum operating frequency of the STM32H7B3IIT6?
The maximum operating frequency is up to 280 MHz.
- How much flash memory and RAM does the STM32H7B3IIT6 have?
The device has 2 Mbytes of flash memory and ~1.4 Mbytes of RAM.
- What are the key security features of the STM32H7B3IIT6?
The device includes ROP, PC-ROP, active tamper, secure firmware upgrade support, and Secure access mode.
- What types of communication peripherals are available on the STM32H7B3IIT6?
The device includes I2C, USART, SPI, CAN, USB OTG, and other communication interfaces.
- What are the low-power modes available on the STM32H7B3IIT6?
The device supports Stop, Standby, and VBAT modes to optimize energy efficiency.
- What is the operating temperature range of the STM32H7B3IIT6?
The operating temperature range is -40 to +85 °C.
- What are the available packages for the STM32H7B3IIT6?
The device is available in various packages including LQFP64, LQFP100, LQFP144, LQFP176, TFBGA100, TFBGA216, TFBGA225, UFBGA169, and UFBGA176+25.
- What are some typical applications of the STM32H7B3IIT6?
The device is suitable for motor drive and application control, medical equipment, industrial applications, printers and scanners, alarm systems, home audio appliances, mobile and IoT devices, and wearable devices.
- Does the STM32H7B3IIT6 support external memory interfaces?
Yes, the device supports external memory interfaces including Octo-SPI, SRAM, PSRAM, NOR flash memory, and SDRAM.
