STMicroelectronics STM32F722ZET6

Overview

STM32F722ZET6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, 216 MHz max clock, 512 KB Flash, 256+16+4 KB SRAM (including TCM), and integrated USB OTG HS/FS, three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, and up to 18 timers - deployed in industrial motor control systems requiring real-time deterministic response.

For engineers reviewing the STM32F722ZET6 datasheet, STM32F722ZET6 pinout, STM32F722ZET6 application, or STM32F722ZET6 equivalent, key selection criteria include L1 cache configuration (8 KB I-cache + 8 KB D-cache), ART Accelerator support for zero-wait-state Flash execution, dual Quad-SPI interface capability, and 140 GPIOs with 138 5 V-tolerant pins for mixed-voltage system interfacing.

Technical Context

The STM32F722ZET6 implements an adaptive real-time accelerator (ART Accelerator) with L1 instruction and data caches enabling zero-wait-state execution from Flash at 216 MHz. Its memory subsystem includes 256 KB data TCM RAM for time-critical variables and 16 KB instruction TCM RAM for latency-sensitive routines.

It integrates dual USB OTG controllers - one full-speed with on-chip PHY, one high-speed with dedicated DMA and dual PHY support (full-speed + high-speed or ULPI) - alongside a flexible external memory controller supporting SDRAM, NOR/NAND, and PSRAM for extended buffer and firmware storage.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm) package with exposed thermal pad; 144-pin quad flat lead frame, RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance Cortex-M7 microcontroller applications.

Compared with STM32F767ZIT6 and STM32H743ZIT6, the STM32F722ZET6 offers optimal balance of USB OTG HS integration, 512 KB Flash, and TCM-based real-time performance - making it preferred for cost-sensitive, USB-centric embedded control where Ethernet or dual-core are unnecessary.

Availability

STM32F722ZET6 is available at Aetrix Electronics and suitable for industrial motor control, medical imaging front-ends, programmable logic controllers, and audio processing gateways requiring stable component supply across multi-year production cycles.

Supply support for STM32F722ZET6 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 products for industrial, automotive, and consumer markets.

The STM32F7 series targets high-end embedded applications demanding real-time determinism, rich peripheral integration, and advanced signal processing - optimized for motor control, industrial automation, and human-machine interface systems.

FAQ

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

The STM32F722ZET6 achieves 216 MHz maximum CPU frequency using its Arm Cortex-M7 core with FPU and ART Accelerator. This speed is sustained only when executing from Flash with ART Accelerator enabled and L1 caches active - verified by Dhrystone 2.1 benchmark at 462 DMIPS. External clock source must be 4–26 MHz, multiplied via PLL.

Does STM32F722ZET6 support external SDRAM, and what interface is used?

Yes, it supports external SDRAM via the Flexible Memory Controller (FMC) with 32-bit data bus capability. The FMC provides dedicated control signals (RAS/CAS, CLK, DQM) and configurable timing registers compliant with JEDEC-standard SDRAM, including LPDDR/SDR variants - validated in LQFP144 package with PF0–PF15 and related control pins.

How many USB interfaces does STM32F722ZET6 integrate, and what are their capabilities?

It integrates two independent USB controllers: USB OTG FS with on-chip full-speed PHY (no external components), and USB OTG HS with dedicated DMA and dual PHY options - either integrated full-speed + high-speed PHY or external ULPI interface. HS mode supports 480 Mbps with hardware CRC, endpoint FIFOs, and battery charging detection.

What low-power modes are supported, and what is retained in Standby mode?

It supports Sleep, Stop, and Standby modes. In Standby mode, the 4 KB backup SRAM, 32×32-bit backup registers, and RTC remain powered from VBAT. The main regulator is disabled, reducing current to ~1.8 µA typical. Wakeup sources include RTC alarm, tamper event, I/O pin, and USART wakeup - with 10 µs typical exit time from Standby when VDD is present.