Overview
The STM32H7B3ZIT6 is a high-performance microcontroller from STMicroelectronics, based on the 32-bit Arm® Cortex®-M7 core. This device operates at a frequency of up to 280 MHz and features a double-precision floating point unit (FPU) and L1 cache. The Cortex®-M7 core supports DSP instructions and includes a memory protection unit (MPU) to enhance application security. The microcontroller is equipped with 2 Mbytes of flash memory, approximately 1.4 Mbytes of RAM, and an extensive range of enhanced I/Os and peripherals, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | 32-bit Arm® Cortex®-M7 |
| Core Speed | Up to 280 MHz |
| Flash Memory | 2 Mbytes with read while write support, plus 1 Kbyte of OTP |
| RAM | ~1.4 Mbytes (192 Kbytes of TCM RAM, 1.18 Mbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Memory Interfaces | 2x Octo-SPI memory interfaces, flexible external memory controller with up to 32-bit data bus |
| Security Features | ROP, PC-ROP, active tamper, secure firmware upgrade support, Secure access mode |
| I/Os | Up to 168 I/O ports with interrupt capability, up to 164 5 V-tolerant I/Os |
| 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 |
| Package | LQFP144 |
Key Features
- Includes ST state-of-the-art patented technology
- 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache
- Support for DSP instructions and memory protection unit (MPU)
- High-speed embedded memories: 2 Mbytes of flash memory, ~1.4 Mbytes of RAM
- 2x Octo-SPI memory interfaces with on-the-fly decryption and I/O multiplexing
- Flexible external memory controller supporting SRAM, PSRAM, NOR flash, SDRAM/LPSDR SDRAM, and NAND flash
- Cryptographic acceleration: AES, HASH (MD5, SHA-1, SHA-2), HMAC
- Advanced peripherals: USB OTG_HS/FS, FDCAN, TT-CAN, LCD-TFT controller, Chrom-ART graphical hardware accelerator
- Low-power consumption modes: Stop, Standby, VBAT
- Up to 168 I/O ports with interrupt capability and up to 164 5 V-tolerant I/Os
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 processor of the STM32H7B3ZIT6?
The core processor is the 32-bit Arm® Cortex®-M7.
- What is the maximum operating frequency of the STM32H7B3ZIT6?
The maximum operating frequency is up to 280 MHz.
- How much flash memory and RAM does the STM32H7B3ZIT6 have?
The device has 2 Mbytes of flash memory and approximately 1.4 Mbytes of RAM.
- What security features are included in the STM32H7B3ZIT6?
The device includes ROP, PC-ROP, active tamper, secure firmware upgrade support, and Secure access mode.
- What are the power consumption modes of the STM32H7B3ZIT6?
The device has Stop, Standby, and VBAT power consumption modes.
- What is the operating temperature range of the STM32H7B3ZIT6?
The operating temperature range is -40 to +85 °C.
- What package type is the STM32H7B3ZIT6 available in?
The device is available in the LQFP144 package.
- Does the STM32H7B3ZIT6 support cryptographic acceleration?
Yes, it supports AES, HASH (MD5, SHA-1, SHA-2), and HMAC.
- What advanced peripherals are available on the STM32H7B3ZIT6?
The device includes USB OTG_HS/FS, FDCAN, TT-CAN, LCD-TFT controller, and Chrom-ART graphical hardware accelerator.
- What are some typical applications of the STM32H7B3ZIT6?
Typical applications include motor drive and control, medical equipment, industrial applications, printers, scanners, and wearable devices.
