STM32H743VIT6

STM32H743VIT6 overview and key specs

1. Basic overview

- Manufacturer: STMicroelectronics

- Product type: 32-bit Arm Cortex-M7 high-performance microcontroller

- Family: STM32H7 / STM32H743 high-performance line

- Status: Active, in volume production

- Typical role: high-end industrial control, graphics display, audio or video processing,
Ethernet communication, external-memory expansion, and complex real-time systems

2. Specs that matter

- Core: Arm Cortex-M7, 32-bit RISC, with DSP instructions, MPU, and L1 cache

- Floating-point unit: single-precision and double-precision FPU

- Max clock: 480 MHz

- Performance: up to about 1027 DMIPS / 2.14 DMIPS per MHz

- Flash: 2 MB, with dual-bank and read-while-write support depending on configuration

- RAM: up to 1 MB, including 192 KB TCM RAM, up to 864 KB user SRAM, and 4 KB backup SRAM

- Operating voltage: 1.62 V to 3.6 V

- Package: LQFP-100, 14 x 14 x 1.4 mm

- Temperature grade: Industrial, with T6 usually meaning -40 C to +85 C

- ADC / DAC: 3 ADCs, up to 16-bit resolution, up to 36 channels, plus 2 x 12-bit DACs

- Analog features: 2 op-amps, 2 ultra-low-power comparators, temperature sensor, DFSDM

- Timers: up to 22 timers and watchdogs, including high-resolution timers and advanced motor-control timers

- Interfaces: I2C, USART / UART, SPI / I2S, CAN FD, USB OTG FS / HS, Ethernet MAC, SDMMC, SPDIFRX, HDMI-CEC

- External memory: FMC for SRAM, PSRAM, SDRAM, NOR, NAND, plus Quad-SPI around 133 MHz class

- Graphics and multimedia: LCD-TFT controller, Chrom-ART DMA2D, hardware JPEG codec, DCMI

- Security and debug: ROP, PC-ROP, active tamper, CRC, RNG, 96-bit unique ID, SWD / JTAG, embedded trace buffer

3. How to read the part number

- STM32: ST's 32-bit MCU family

- H: high-performance STM32H7 branch based on Cortex-M7

- 743: device line with 480 MHz Cortex-M7, DP-FPU, large memory, and fast peripherals

- V: 100-pin class

- I: 2 MB Flash code

- T: LQFP package code

- 6: usually the -40 C to +85 C temperature grade

4. Where it is usually used

- High-end industrial motion and servo control     

- Advanced HMI and display systems

- Network and communication gateways

- Audio, image, and signal-processing applications

- Designs that need SDRAM, QSPI Flash, SD card, NAND, or NOR expansion

5. Selection notes

- This is a serious step up from F1 and F4. High clock speed, large RAM, graphics support, and richer connectivity all come together here.

- The flip side is hardware complexity. Power design, clocks, routing, SDRAM, Ethernet, USB HS, and QSPI all need careful board work.

- Compared with STM32F407ZGT6, H743VIT6 brings much stronger performance and more RAM,
     but pin availability still has to be checked carefully because the package is LQFP-100.

6. Reference

- ST product page: STM32H743VI / STM32H743VIT6

- ST datasheet: STM32H742xI/G and STM32H743xI/G devices