Overview
The STM32H755IIT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H755xI series. It is 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 floating-point units (FPUs) and support Arm® single- and double-precision operations, along with DSP instructions and a memory protection unit (MPU) for enhanced security.
Key Specifications
| Specification | Details |
|---|---|
| Cores | 32-bit Arm® Cortex®-M7 core (up to 480 MHz) and 32-bit Arm® Cortex®-M4 core (up to 240 MHz) |
| Memory | 2 Mbytes of Flash memory, 1 Mbyte of RAM (including 192 Kbytes of TCM RAM, 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Memory Interface | Dual mode Quad-SPI memory interface up to 133 MHz, flexible external memory controller up to 32-bit data bus |
| Power Supply | 1.62 to 3.6 V application supply and I/Os, 1.2 to 3.6 V VBAT supply |
| Power Management | Three separate power domains, low-power modes (Sleep, Stop, Standby, and VBAT), high power-efficiency SMPS step-down converter |
| Communication Peripherals | Up to 35 communication peripherals including I2Cs, USARTs, SPIs, CAN controllers, USB OTG interfaces, Ethernet MAC interface |
| Analog Peripherals | Three ADCs with 16-bit max. resolution, two 12-bit D/A converters, two ultra-low-power comparators, two operational amplifiers |
| Timers and Watchdogs | High-resolution timer, 12 general-purpose 16-bit timers, two 32-bit timers, five low-power timers, four watchdogs |
| Cryptographic Acceleration | AES 128, 192, 256, TDES, HASH (MD5, SHA-1, SHA-2), HMAC, true random number generator |
| Package | LQFP 176 24x24x1.4 mm |
Key Features
- Dual-core architecture with Arm® Cortex®-M7 and Cortex®-M4 cores, each with FPUs and DSP instructions.
- High-speed embedded memories including dual-bank Flash and extensive RAM options.
- Extensive range of enhanced I/Os and peripherals connected to APB, AHB buses, and multi-layer AXI interconnect.
- Advanced security features including ROP, PC-ROP, active tamper, secure firmware upgrade support, and secure access mode.
- Low-power consumption with various power-saving modes and a high power-efficiency SMPS step-down converter.
- Wide operating temperature range and reliability, with optional support for extended temperature range up to 125 °C.
- Comprehensive set of communication interfaces, including I2Cs, USARTs, SPIs, CAN controllers, USB OTG, and Ethernet MAC.
- Advanced analog peripherals such as ADCs, DACs, ultra-low-power comparators, and operational amplifiers.
- Cryptographic acceleration for AES, HASH, and HMAC, along with a true random number generator.
- Graphics capabilities including LCD-TFT controller and Chrom-ART graphical hardware Accelerator™.
Applications
- Industrial control systems: Ideal for high-performance and reliable data transmission in industrial environments.
- Semiconductor manufacturing equipment: Suitable for complex and precise control requirements.
- Aerospace and defense systems: Meets the stringent requirements of aerospace and defense applications.
- Automotive electronics: Used in various automotive systems requiring high performance and low power consumption.
- Other applications include medical devices, consumer electronics, and IoT devices that require robust performance and security features.
Q & A
- What are the core specifications of the STM32H755IIT6?
The STM32H755IIT6 features a 32-bit Arm® Cortex®-M7 core operating at up to 480 MHz and a 32-bit Arm® Cortex®-M4 core operating at up to 240 MHz, both with FPUs and DSP instructions.
- How much memory does the STM32H755IIT6 have?
The device has 2 Mbytes of Flash memory and 1 Mbyte of RAM, including 192 Kbytes of TCM RAM and 864 Kbytes of user SRAM.
- What are the power management features of the STM32H755IIT6?
The device features three separate power domains, low-power modes (Sleep, Stop, Standby, and VBAT), and a high power-efficiency SMPS step-down converter.
- What communication peripherals are available on the STM32H755IIT6?
The device includes up to 35 communication peripherals such as I2Cs, USARTs, SPIs, CAN controllers, USB OTG interfaces, and an Ethernet MAC interface.
- What are the security features of the STM32H755IIT6?
The device includes ROP, PC-ROP, active tamper, secure firmware upgrade support, and secure access mode, along with cryptographic acceleration for AES, HASH, and HMAC.
- What is the operating temperature range of the STM32H755IIT6?
The device operates within a temperature range that can be extended up to 125 °C for specific part numbers.
- What are the analog peripherals available on the STM32H755IIT6?
The device features three ADCs with 16-bit max. resolution, two 12-bit D/A converters, two ultra-low-power comparators, and two operational amplifiers.
- Does the STM32H755IIT6 support graphics and display interfaces?
Yes, it includes an LCD-TFT controller and a Chrom-ART graphical hardware Accelerator™.
- How many timers and watchdogs are available on the STM32H755IIT6?
The device includes a high-resolution timer, 12 general-purpose 16-bit timers, two 32-bit timers, five low-power timers, and four watchdogs.
- What is the package type of the STM32H755IIT6?
The device is housed in an LQFP 176 24x24x1.4 mm package.
- Where can I purchase the STM32H755IIT6?
The STM32H755IIT6 can be purchased directly from STMicroelectronics' eStore or through authorized distributors.
