Overview
The STM32H742ZGT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H7 series. It is based on the Arm® Cortex®-M7 32-bit RISC core, operating at frequencies up to 480 MHz. This microcontroller features a double-precision floating point unit (FPU) and supports DSP instructions, making it suitable for demanding applications. The device includes 1 MByte of Flash memory and 688 KBytes of RAM, along with extensive peripheral sets and advanced security features.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit Arm® Cortex®-M7 with double-precision FPU and L1 cache (16 Kbytes data and 16 Kbytes instruction cache) |
| Frequency | Up to 480 MHz |
| Memories | Up to 1 MByte of Flash memory, 688 KBytes of RAM (including 192 Kbytes of TCM RAM and up to 864 Kbytes of user SRAM) |
| Supply Voltage | 1.62 to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| ADC Channels | Up to 36 channels, 16-bit max. resolution |
| DAC Channels | 2 × 12-bit DACs |
| Timers | 12 × 16-bit general-purpose timers, 2 × 32-bit timers, 5 × 16-bit low-power timers |
| Communication Interfaces | 4 × I2Cs, 4 × USARTs/UARTs, 6 × SPIs, 2 × CAN controllers (CAN FD), 2 × USB OTG interfaces, Ethernet MAC interface |
| Package | LQFP 144 20x20x1.4 mm |
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.
- Extensive range of peripherals including ADCs, DACs, ultra-low power comparators, and operational amplifiers.
- Advanced communication interfaces such as USB OTG, Ethernet MAC, and CAN FD.
- Multiple power domains with voltage scaling and low-power modes (Sleep, Stop, Standby, and VBAT).
- Integrated LCD-TFT controller, Chrom-ART graphical hardware accelerator, and hardware JPEG codec.
- True random number generator (RNG) and 96-bit unique ID.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- Automotive systems, including advanced driver-assistance systems (ADAS).
- Consumer electronics such as smart home devices and IoT applications.
- High-performance computing and data processing in various sectors.
Q & A
- What is the core architecture of the STM32H742ZGT6?
The STM32H742ZGT6 is based on the 32-bit Arm® Cortex®-M7 core with a double-precision floating point unit (FPU) and L1 cache.
- What is the maximum operating frequency of the STM32H742ZGT6?
The maximum operating frequency is up to 480 MHz.
- How much Flash and RAM does the STM32H742ZGT6 have?
The device includes up to 1 MByte of Flash memory and 688 KBytes of RAM.
- What are the supply voltage and operating temperature ranges for the STM32H742ZGT6?
The supply voltage range is 1.62 to 3.6 V, and the operating temperature range is -40°C to 125°C.
- What types of communication interfaces are available on the STM32H742ZGT6?
The device features multiple communication interfaces including I2Cs, USARTs/UARTs, SPIs, CAN FD, USB OTG, and Ethernet MAC.
- Does the STM32H742ZGT6 support low-power modes?
Yes, it supports low-power modes such as Sleep, Stop, Standby, and VBAT.
- What kind of security features does the STM32H742ZGT6 have?
The device includes a memory protection unit (MPU), ROP, PC-ROP, and active tamper detection for enhanced security.
- Can the STM32H742ZGT6 be used in industrial automation?
Yes, it is suitable for industrial automation and control systems due to its high performance and extensive peripheral set.
- Does the STM32H742ZGT6 have any graphical processing capabilities?
Yes, it includes an LCD-TFT controller and a Chrom-ART graphical hardware accelerator.
- How many ADC channels does the STM32H742ZGT6 have?
The device has up to 36 ADC channels with 16-bit max. resolution.
