STMicroelectronics STM32F722ZCT6

Overview

STM32F722ZCT6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, operating at up to 216 MHz (462 DMIPS), featuring 512 KB Flash, 256+16+4 KB SRAM (including TCM and backup RAM), USB OTG HS/FS, three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, and 18 timers - deployed in industrial motor control systems requiring deterministic real-time response and multi-interface connectivity.

For engineers reviewing the STM32F722ZCT6 datasheet, STM32F722ZCT6 pinout, STM32F722ZCT6 application, or STM32F722ZCT6 equivalent, key selection considerations include its LQFP144 package, dual USB OTG capability (HS + FS), ART Accelerator-enabled zero-wait-state Flash execution, 138 5 V-tolerant I/Os, and integrated bxCAN 2.0B interface for robust fieldbus integration.

Technical Context

The STM32F722ZCT6 implements an Arm Cortex-M7 core with dual 8 KB L1 caches (instruction + data), adaptive real-time accelerator (ART), and memory protection unit (MPU) - enabling deterministic interrupt latency and secure code isolation. Its AXI-AHB bus matrix supports concurrent high-bandwidth access to Flash, SRAM, and peripherals including FMC and Quad-SPI.

It integrates dual USB OTG controllers: one full-speed with on-chip PHY, and one high-speed with dedicated DMA and dual PHY support (on-chip HS/FS or ULPI). The peripheral set includes three independent 12-bit ADCs (7.2 MSPS in triple interleaved mode), two SAI audio interfaces, and bxCAN supporting ISO 11898-1:2015 compliant CAN 2.0B operation.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with exposed thermal pad; 140 I/O pins (138 5 V-tolerant), 4 power supply pins (VDD, VDDA, VSS, VSSA), 2 voltage regulator capacitors (VCAP1/VCAP2), NRST, BOOT0, and dedicated USB OTG HS/FS PHY pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F767ZIT6 and STM32H743ZIT6, the STM32F722ZCT6 offers integrated USB HS PHY and lower power consumption in Stop mode (1.7 µA typical), making it optimal for portable or cost-sensitive industrial devices where self-contained high-speed USB and deterministic real-time latency are prioritized over raw memory size or dual-core capability.

Availability

STM32F722ZCT6 is available at Aetrix Electronics and suitable for industrial motor control, human-machine interface (HMI), medical diagnostic equipment, and test & measurement instrumentation requiring stable component supply, long-term lifecycle support, and qualified automotive-grade traceability.

Supply support for STM32F722ZCT6 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, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32F7 series targets high-end embedded applications demanding real-time performance, rich connectivity, and advanced security - specifically engineered for industrial automation, motor control, and audio/video processing where Cortex-M7 determinism and peripheral integration reduce system complexity.

FAQ

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

The STM32F722ZCT6 achieves 216 MHz maximum CPU frequency using its internal PLL driven by either the 4–26 MHz HSE crystal or 16 MHz HSI RC oscillator. Stable operation requires proper VCAP1/VCAP2 capacitor placement (2.2 µF X7R), adequate power supply decoupling, and enabling the ART Accelerator with L1 cache to eliminate Flash wait states. Thermal derating applies above 85°C ambient.

Does this MCU support USB high-speed device mode without external components?

Yes - the STM32F722ZCT6 integrates a full-speed USB PHY and a high-speed USB PHY on-die, enabling native USB 2.0 high-speed (480 Mbps) device or host operation without external transceivers. The HS PHY supports both on-chip termination and ULPI interface; configuration is selected at boot via SYSCFG registers and requires correct pin assignment (e.g., PB12–PB15 for ULPI data).

How many ADC channels can be simultaneously sampled at full speed?

Up to 24 channels across three independent 12-bit ADCs, with true simultaneous sampling achievable in triple interleaved mode at 7.2 MSPS aggregate rate. This requires synchronized trigger sources (e.g., TIM8 TRGO), shared DMA channel, and proper calibration (single/dual conversion modes supported). Channel count per ADC is limited to 16, but multiplexing extends effective coverage.

Is the LQFP144 package RoHS-compliant and lead-free?

Yes - the STM32F722ZCT6 in LQFP144 package (part number suffix "T6") is RoHS-compliant and lead-free per EU Directive 2011/65/EU and STMicroelectronics' environmental policy. The "T6" designation explicitly indicates lead-free, halogen-free, and green molding compound; JEDEC standard reflow profile (peak 260°C) applies for assembly.