Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Package | LQFP-100(14×14) |
| Supply voltage | 1.71V~3.6V |
| CPU Core | Arm Cortex-M7 |
| Maximum CPU speed | 480MHz |
| Program memory | 2MB |
| Operating Temperature | -40℃~+85℃ |
| Number of I/O | 82 |
High-performance H7 in a 100-pin package
STM32H743VIT6 is a 480 MHz Arm Cortex-M7 microcontroller with double-precision FPU, DSP instructions, 2 MB of Flash and up to 1 MB of RAM. The exact industrial T6 orderable uses LQFP-100, and ST lists 82 I/Os for this package.
Beyond clock speed, the architecture includes L1 instruction/data cache, external-memory interfaces, three ADCs, two DACs, two FDCAN controllers and a 100 Mbps Ethernet MAC with IEEE 1588 support. These blocks place the device in a different integration class from mainstream Cortex-M0+/M4 parts.
Technical Specifications
| Parameter | Value |
|---|---|
| Package | LQFP-100(14×14) |
| Supply voltage | 1.71V~3.6V |
| CPU Core | Arm Cortex-M7 |
| Maximum CPU speed | 480MHz |
| Program memory | 2MB |
| Operating Temperature | -40℃~+85℃ |
| Number of I/O | 82 |
| DAC (Bit) | 12bit |
| ADC (Bit) | 16bit |
| Program Memory Type | FLASH |
| Core Size | 32 Bit |
| Oscillator Type | Built-in |
VI/T6 balances H7 performance with LQFP-100
The VI density provides 2 MB Flash while T6 fixes the 100-pin LQFP implementation. That package exposes 82 I/Os: enough for substantial peripheral use, but still a tighter signal budget than the larger H743 packages, so external-memory, Ethernet, display/serial and control interfaces should be mapped before selection is finalized.
Memory bandwidth and interface planning matter
The Cortex-M7 cache, large internal memory and external-memory support can sustain workloads that are not realistic on smaller STM32 families, but system performance still depends on memory placement and bus traffic. Ethernet is an on-chip MAC rather than a complete physical interface, and FDCAN likewise requires external transceivers.
Best-fit workload profile
This orderable is suited to compute- and interface-heavy embedded systems where 480 MHz processing, large memory, Ethernet or multiple high-bandwidth peripherals are genuinely required. If the workload does not need the H7 memory hierarchy and interface set, a smaller STM32 family may simplify power, PCB and firmware complexity.
Implementation constraints around H7 performance
Give early attention to power integrity, clocking, cache/memory architecture and the exact LQFP-100 alternate-function map. Ethernet requires an external PHY, FDCAN needs external transceivers, and high-speed external-memory or communication buses should be treated as PCB signal-integrity problems rather than just enabled peripherals.
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
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To request a quotation, provide the manufacturer part number, required quantity, destination, target Date Code if applicable, and any testing or inspection requirements.
Related Engineering Resources
- STM32H743VIT6 Datasheet (PDF) — HKEQGOO-hosted technical copy for engineering review.
- STMicroelectronics product page — official manufacturer product, lifecycle and ordering resource.
