STMicroelectronics STM32H7 series, STM32H742XIH6, 32-bit ARM Cortex-M7 MCU, 480 MHz, 2 MB Flash, 688 KB RAM, 168 I/O, 265-TFBGA, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | STM32H7 |
| Mounting type | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.62V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 480MHz |
| Package | Tray |
| RAM size | 688K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, MDIO, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG |
| Number of i (O) | 168 |
| Core processor | ARM® Cortex®-M7 |
| Case | 265-TFBGA |
| Data converters | A/D 36x16b; D/A 2x12b |
| Program memory size | 2MB (2M x 8) |
The Ethernet and CAN interfaces make it a natural fit for industrial gateway, motor-drive, and building-automation controllers where the MCU handles both the control logic and the network stack. The 168 general-purpose I/O lines give enough headroom for parallel buses or large sensor arrays without a port expander.
Yes, the connectivity set includes an Ethernet MAC interface, along with CANbus, USB OTG, QSPI, and multiple serial protocols (SPI, I²C, UART).
The STM32H743XIH6 is the next-step-up sibling in the same 265-TFBGA package, sharing the same pinout. The H743 adds a second Cortex-M7 core (dual-core) and a larger RAM footprint, but the pin compatibility means a board designed for the H742 can populate the H743 for a performance upgrade without a PCB spin. Verify exact memory and peripheral differences against the STM32H7 reference manual before swapping.