STMicroelectronics STM32F777VIT6

Overview

STM32F777VIT6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, 2 MB flash (dual-bank), 512 KB SRAM (including 128 KB data TCM), hardware JPEG codec, and MIPI DSI host controller. It integrates USB OTG HS/FS, 10/100 Ethernet MAC with IEEE 1588v2 support, and cryptographic accelerators (AES-256, SHA-2, RNG) for secure industrial HMI and edge gateway applications.

For engineers reviewing the STM32F777VIT6 datasheet, STM32F777VIT6 pinout, STM32F777VIT6 application, or STM32F777VIT6 equivalent, key selection criteria include dual-bank flash read-while-write capability, 168 I/Os with 5 V tolerance, LCD-TFT + DSI graphics subsystem, and deterministic real-time performance via ITCM RAM and MPU.

Technical Context

The STM32F777VIT6 implements a tightly coupled memory architecture with 16 KB I/D L1 cache, ART Accelerator, and separate instruction/data TCM RAM to guarantee zero-wait-state execution of time-critical code. Its AXI-AHB bus matrix enables concurrent access to flash, SRAM, and peripherals without arbitration stalls.

It features three independent CAN 2.0B controllers, dual USB OTG (FS + HS with dedicated DMA), and a full-featured Ethernet MAC supporting MII/RMII and hardware timestamping - enabling deterministic multi-protocol connectivity in industrial control and automotive diagnostics systems.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with exposed thermal pad; 100-pin quad flat pack suitable for industrial PCB assembly and thermal management under sustained 216 MHz operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance MCU applications.

Compared with STM32F767VIT6, the STM32F777VIT6 adds MIPI DSI, JPEG codec, and IEEE 1588v2 - making it uniquely suited for display-rich, time-synchronized edge devices; versus STM32H743VIT6, it trades dual-core flexibility for integrated graphics and simpler software stack.

Availability

STM32F777VIT6 is available at Aetrix Electronics and suitable for industrial HMI panels, fieldbus gateways, secure IoT edge nodes, and medical imaging front-ends requiring stable component supply across extended product lifecycles.

Supply support for STM32F777VIT6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power management ICs, sensors, and analog products for industrial, automotive, and consumer markets.

The STM32F7 series targets high-end embedded applications demanding real-time performance, rich graphics, and advanced connectivity - specifically engineered for industrial HMIs, motor control, and edge computing where deterministic latency and peripheral integration are critical.

FAQ

What is the maximum operating frequency and how is it achieved?

The STM32F777VIT6 achieves 216 MHz maximum CPU frequency using an internal PLL driven by either the 4–26 MHz crystal oscillator or the 16 MHz internal RC oscillator (trimmed to ±1%). Stable operation requires proper VCAP1/VCAP2 capacitor placement (2.2 µF each) and adherence to voltage regulator ON/OFF sequencing per DS11243 Section 6.3.3–6.3.4.

Does STM32F777VIT6 support hardware JPEG encoding or only decoding?

The hardware JPEG codec supports both encoding and decoding of baseline JPEG images up to 4096×4096 pixels, with configurable quality factor and chroma subsampling (4:2:2, 4:2:0). Encoding is performed via DMA-triggered DMA2D transfers, offloading the Cortex-M7 core during image capture and compression workflows.

How many CAN interfaces does STM32F777VIT6 have and what version do they support?

The STM32F777VIT6 integrates three independent bxCAN 2.0B controllers, each supporting both standard (11-bit) and extended (29-bit) identifiers, programmable bit timing, and automatic retransmission. All three CAN peripherals are fully functional in Run, Sleep, and Stop modes with wakeup capability.

Is the STM32F777VIT6 pin-compatible with other STM32F7 packages like LQFP144 or UFBGA176?

No - the STM32F777VIT6 is specifically the LQFP100 variant (14 × 14 mm, 100-pin). While functionally identical to other STM32F777xx members (e.g., STM32F777ZIT6 in LQFP144), pin mapping differs significantly across packages due to distinct ball/pin assignments and peripheral multiplexing layouts per DS11243 Section 4.