Overview
The STM32H755XIH6 is a high-performance microcontroller from STMicroelectronics, based on the dual-core architecture of the Arm® Cortex®-M7 and Cortex®-M4 32-bit RISC cores. The Cortex®-M7 core operates at up to 480 MHz, while the Cortex®-M4 core operates at up to 240 MHz. Both cores feature a floating point unit (FPU) supporting single- and double-precision operations, along with a memory protection unit (MPU) to enhance application security. This microcontroller is designed for applications requiring high computational power, advanced peripherals, and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | Arm® Cortex®-M7 and Cortex®-M4 32-bit RISC cores |
| Core Speed | Cortex®-M7: up to 480 MHz, Cortex®-M4: up to 240 MHz |
| Program Memory | 2 Mbytes of Flash memory with read-while-write support |
| RAM | Up to 1 Mbyte (including 192 Kbytes of TCM RAM, up to 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Supply Voltage | 1.62 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| Package | TFBGA 240+25 14x14x1.2 P 0.8 mm |
| I/O Ports | Up to 168 I/O ports with interrupt capability |
| Communication Interfaces | CAN (2.0 and FD), Ethernet (100Mbps IEEE 1588), I2C, I2S, SPI, USART, USB OTG |
| Analog Peripherals | Three ADCs (up to 36 channels, up to 3.6 MSPS), two DACs (12-bit), two ultra-low power comparators, two operational amplifiers |
| Timers | 12 general-purpose 16-bit timers, two PWM timers for motor control, five low-power timers, two 32-bit timers |
| Power Modes | Sleep, Stop, Standby, and VBAT supporting battery charging |
Key Features
- Dual-core architecture with Arm® Cortex®-M7 and Cortex®-M4 cores, each featuring an FPU and supporting DSP instructions.
- High-speed embedded memories including dual-bank Flash and extensive RAM options.
- Advanced peripherals such as three ADCs, two DACs, ultra-low power comparators, and operational amplifiers.
- Extensive range of communication interfaces including CAN, Ethernet, I2C, I2S, SPI, and USB OTG.
- Multiple power modes and a high power-efficiency SMPS step-down converter regulator.
- Chrom-ART graphical hardware Accelerator™ and LCD-TFT controller for graphics support.
- Cryptographic acceleration cell and secure firmware upgrade support.
- Low-power modes with 2.95 μA in Standby mode (Backup SRAM OFF, RTC/LSE ON).
Applications
- Industrial automation and control systems.
- Medical devices requiring high computational power and low power consumption.
- Automotive systems, including advanced driver-assistance systems (ADAS).
- IoT devices and smart home applications.
- Consumer electronics such as smart appliances and wearables.
- Security and surveillance systems leveraging the cryptographic acceleration cell.
Q & A
- What are the core processors used in the STM32H755XIH6?
The STM32H755XIH6 uses the Arm® Cortex®-M7 and Cortex®-M4 32-bit RISC cores.
- What is the maximum operating speed of the Cortex®-M7 core?
The Cortex®-M7 core operates at up to 480 MHz.
- How much Flash memory does the STM32H755XIH6 have?
The STM32H755XIH6 has 2 Mbytes of Flash memory with read-while-write support.
- What is the range of supply voltage for the STM32H755XIH6?
The supply voltage range is from 1.62 V to 3.6 V.
- What are the operating temperature ranges for the STM32H755XIH6?
The operating temperature range is from -40°C to 85°C.
- What types of communication interfaces are available on the STM32H755XIH6?
The device supports CAN (2.0 and FD), Ethernet (100Mbps IEEE 1588), I2C, I2S, SPI, USART, and USB OTG.
- Does the STM32H755XIH6 support low-power modes?
Yes, it supports Sleep, Stop, Standby, and VBAT modes with battery charging capability.
- What is the power consumption in Standby mode?
The power consumption is 2.95 μA in Standby mode (Backup SRAM OFF, RTC/LSE ON).
- Does the STM32H755XIH6 have cryptographic capabilities?
Yes, it features a cryptographic acceleration cell and secure firmware upgrade support.
- What type of package is the STM32H755XIH6 available in?
The device is available in a TFBGA 240+25 14x14x1.2 P 0.8 mm package.
