Overview
The STM32H735ZGT6 is a high-performance microcontroller from STMicroelectronics, based on the Arm® Cortex®-M7 32-bit RISC core. This device operates at frequencies up to 550 MHz and features a double-precision floating-point unit (FPU) compliant with IEEE 754 standards. The Cortex-M7 core includes 32 Kbytes of instruction cache and 32 Kbytes of data cache, along with DSP instructions and a memory protection unit (MPU) to enhance application security.
The STM32H735ZGT6 incorporates 1 Mbyte of embedded flash memory and up to 564 Kbytes of RAM, including various types of memory such as ITCM, AXI, DTCM, and backup RAM. It also features an extensive range of I/Os and peripherals connected to APB, AHB, and AXI buses, ensuring robust and efficient system operation.
This microcontroller is designed to support advanced graphical user interfaces through the Chrom-ART Accelerator and an LCD-TFT controller, and it includes multiple communication interfaces such as USB, Ethernet, and CAN. The device also integrates cryptographic and hash acceleration, a true random number generator, and various analog peripherals like ADCs, DACs, and operational amplifiers.
Key Specifications
| Specification | Details |
|---|---|
| Core | 32-bit Arm® Cortex®-M7 CPU with DP-FPU, L1 cache: 32-Kbyte data cache and 32-Kbyte instruction cache, up to 550 MHz, MPU, 1177 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | 1 Mbyte of embedded flash memory with ECC, 564 Kbytes of SRAM (including 128 Kbytes of data TCM RAM, 432 Kbytes of system RAM, and 4 Kbytes of backup SRAM) |
| External Memory | Flexible external memory controller with up to 24-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories |
| Interfaces | 2 x Octo-SPI interface with XiP and on-the-fly decryption support, 2 x SD/SDIO/MMC interface, USB 2.0 high-speed/full-speed device/host/OTG controller, Ethernet MAC interface with DMA controller |
| Analog Peripherals | 2 x 16-bit ADCs up to 3.6 MSPS, 1 x 12-bit ADC up to 5 MSPS, 2 x comparators, 2 x operational amplifiers, 2 x 12-bit D/A converters |
| Timers | Seventeen 16-bit timers (including 5 low power timers) and four 32-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input |
| Communication Interfaces | Up to 5 x I2C FM+ interfaces, up to 5 USARTs/5 UARTs, up to 6 SPIs, 2 x SAI (serial audio interface), 1 x FD/TT-CAN and 2 x FD-CAN, Ethernet MAC interface |
| Power and Clock Management | 1.62 V to 3.6 V application supply and I/O, POR, PDR, PVD and BOR, dedicated USB power, embedded DCDC and LDO regulator |
| Package | LQFP 144 20x20x1.4 mm, Industrial grade, ECOPACK2 compliant |
Key Features
- High-Performance Core: 32-bit Arm® Cortex®-M7 CPU with DP-FPU, operating at up to 550 MHz.
- Memory and Cache: 1 Mbyte of embedded flash memory with ECC, 564 Kbytes of SRAM, and L1 cache for efficient execution.
- Analog Peripherals: Includes 2 x 16-bit ADCs, 1 x 12-bit ADC, 2 x comparators, 2 x operational amplifiers, and 2 x 12-bit D/A converters.
- Communication Interfaces: Supports USB 2.0, Ethernet MAC, up to 5 x I2C FM+ interfaces, up to 5 USARTs/5 UARTs, and multiple SPI and SAI interfaces.
- Cryptographic and Hash Acceleration: AES 128, 192, 256, TDES, HASH (MD5, SHA-1, SHA-2), HMAC, and true random number generator.
- Mathematical Acceleration: CORDIC for trigonometric functions and FMAC for filter functions.
- Graphics and Display: Chrom-ART Accelerator for enhanced graphical user interface and LCD-TFT controller supporting up to XGA resolution.
- Low Power Modes: Sleep, Stop, and Standby modes to optimize power consumption.
- Security Features: MPU, secure firmware upgrade support, ROP, PC-ROP, tamper detection, and 96-bit unique ID.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication protocols like CAN and Ethernet.
- Medical Devices: Can be used in medical equipment requiring high precision and reliability, such as diagnostic devices and patient monitoring systems.
- Aerospace and Defense: Applicable in systems requiring high performance, security, and reliability, such as navigation and communication systems.
- Automotive Systems: Ideal for advanced driver-assistance systems (ADAS), infotainment systems, and vehicle control units.
- Consumer Electronics: Can be used in high-end consumer devices requiring advanced graphics and communication capabilities, such as smart home devices and gaming consoles.
Q & A
- What is the core architecture of the STM32H735ZGT6?
The STM32H735ZGT6 is based on the 32-bit Arm® Cortex®-M7 CPU with a double-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32H735ZGT6?
The maximum operating frequency is up to 550 MHz.
- How much flash and RAM memory does the STM32H735ZGT6 have?
The device has 1 Mbyte of embedded flash memory and up to 564 Kbytes of SRAM.
- What types of analog peripherals are available on the STM32H735ZGT6?
The device includes 2 x 16-bit ADCs, 1 x 12-bit ADC, 2 x comparators, 2 x operational amplifiers, and 2 x 12-bit D/A converters.
- Does the STM32H735ZGT6 support cryptographic functions?
Yes, it supports AES 128, 192, 256, TDES, HASH (MD5, SHA-1, SHA-2), HMAC, and includes a true random number generator.
- What communication interfaces are available on the STM32H735ZGT6?
The device supports USB 2.0, Ethernet MAC, up to 5 x I2C FM+ interfaces, up to 5 USARTs/5 UARTs, and multiple SPI and SAI interfaces.
- What is the power supply range for the STM32H735ZGT6?
The application supply and I/O range is from 1.62 V to 3.6 V.
- Does the STM32H735ZGT6 have any low power modes?
Yes, it supports Sleep, Stop, and Standby modes to optimize power consumption.
- What security features are included in the STM32H735ZGT6?
The device includes an MPU, secure firmware upgrade support, ROP, PC-ROP, tamper detection, and a 96-bit unique ID.
- What is the package type and size of the STM32H735ZGT6?
The device is available in an LQFP 144 package with dimensions of 20x20x1.4 mm.
- Is the STM32H735ZGT6 compliant with any environmental standards?
Yes, it is ECOPACK2 compliant.
