Item specifics
Description
The STM32F407ZGT6 is a Cortex-M4 high-performance MCU from STMicroelectronics in an LQFP-144 package. It runs at 168 MHz with FPU and ART Accelerator. It integrates 1 MB Flash, 192 KB SRAM (incl. 64 KB CCM), Ethernet 10/100 MAC (IEEE 1588 PTP, MII/RMII), USB 2.0 OTG (FS/HS, FS on-chip PHY), camera interface (DCMI), hardware crypto/HASH processor, two 12-bit DACs, three 12-bit ADCs (24ch, up to 7.2 MSPS in triple-interleaved mode), up to 17 timers (incl. 2 advanced motor control PWM/deadtime). 114 I/Os, all 5 V-tolerant. Supply 1.8–3.6 V, -40–85 °C. Compared to the STM32F407ZET6 (512 KB Flash), this model doubles the Flash to 1 MB, making it the memory flagship in the LQFP-144 package. Core specifications are identical to the STM32F407IGT6 (LQFP-176, 140 I/Os), but in an LQFP-144 package better suited for standard SMT production. Compared to the STM32F405ZGT6 (LQFP-144, without Ethernet), this model integrates an Ethernet MAC interface, offering stronger network communication capabilities.
Core: Arm Cortex-M4 168 MHz + FPU + ART Accelerator Memory: 1 MB Flash, 192 KB SRAM (incl. 64 KB CCM) Ethernet MAC: 10/100 Mbit/s, IEEE 1588 PTP hardware support, MII/RMII USB 2.0 OTG: FS + HS, FS on-chip PHY, HS requires external ULPI SDIO + HW Crypto: SD/MMC interface; AES 128/192/256, 3DES, HASH (MD5, SHA-1), RNG Camera Interface: 8–14-bit parallel DCMI 3×12-bit ADCs: 24 channels, 2.4 MSPS (up to 7.2 MSPS in triple-interleaved mode) 2×12-bit DACs: Buffered output Timers: Up to 17 (2× motor control PWM/deadtime/emergency stop, 12× 16-bit GP/quadrature encoder, 2× basic, 2× watchdogs, SysTick) Communication Interfaces: 4×USART + 2×UART (ISO7816/LIN/IrDA), 3×SPI (30 Mbit/s), 2×I2S, 3×I2C (SMBus), USB OTG, SDIO, Ethernet I/Os: 114, all 5 V-tolerant Low Power: Sleep/Stop/Standby, VBAT backup RTC Package: LQFP-144 (20×20×1.4 mm)
Industrial: PLCs, inverters, precision motor drives, industrial Ethernet gateways Motor Control: Dual-motor FOC, servo drives, pumps Image Capture: Simple camera monitoring, barcode scanning, industrial vision Network Communication: Ethernet control nodes, IoT gateways Consumer: Drone flight controllers, game controllers, high-end remote controls Security Applications: IoT security, payment terminals Portable Medical Devices
168 MHz Cortex-M4 + FPU: Strongest performance in this series for complex DSP and floating-point operations 1 MB Flash + 192 KB SRAM: Memory flagship configuration for large firmware and complex algorithms Ethernet + DCMI + Crypto Engine: Network communication, image capture, and data security in a 144-pin package Dual DACs + 3 ADCs: Comprehensive analog functions with multi-channel synchronous acquisition 17 Timers (incl. 2 Motor Control): Supports dual-motor FOC Mature STM32 Ecosystem: CubeIDE/CubeMX/HAL/LL
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FAQ:
What is the STM32F407ZGT6 and what are its core features?
The STM32F407ZGT6 is a 168 MHz Arm Cortex‑M4F microcontroller with 1 MB Flash, 192 KB SRAM, a DCMI parallel camera interface, a 10/100 Ethernet MAC, USB OTG HS/FS, dual CAN 2.0B, and a flexible memory controller supporting SDRAM, all packed in an LQFP‑144 package. It is designed for connectivity‑rich embedded applications that need high‑performance processing, networking, and image capture without a dedicated graphics display.
How does the STM32F407ZGT6 differ from the STM32F407ZGT7? When should I pick the ZGT6?
The only difference is the operating temperature range. The ZGT6 is specified for -40 °C to +85 °C (standard industrial), while the ZGT7 extends the high end to +105 °C (industrial extended). All other parameters—CPU speed, Flash, SRAM, peripherals, and pin‑out—are identical. Pick the ZGT6 when your product operates within a standard industrial or commercial temperature range and you do not need the extra high‑temperature margin, giving you a cost‑optimised option with the same feature set.
Is the STM32F407ZGT6 still a good choice for new designs today?
Yes, it remains a highly capable and widely available MCU. The Cortex‑M4F core with DSP and FPU, combined with Ethernet, USB HS, and a camera interface, covers a broad range of connected embedded applications. For products that do not need a graphical display or the latest M7/M33 cores, the F407ZGT6 offers a proven, stable ecosystem, long‑term availability, and a wealth of existing software libraries, making it a reliable workhorse for many industrial and IoT designs.
Can the STM32F407ZGT6 run a camera, Ethernet, and USB high‑speed at the same time?
Absolutely. The DCMI, Ethernet MAC (RMII or MII), and USB OTG HS (with an external ULPI PHY) use separate DMA streams and can operate concurrently without CPU intervention. The 1 MB Flash easily stores camera drivers, a TCP/IP stack, and USB stacks. The 192 KB internal SRAM handles communication buffers, while external SDRAM (up to 256 MB via the FMC) can hold frame buffers for higher‑resolution images.
How much external memory can the STM32F407ZGT6 support? Can I use SDRAM for a camera frame buffer?
The flexible memory controller (FMC) can drive up to 256 MB of external SDRAM with a 32‑bit data bus, as well as NOR and NAND Flash. This is perfect for storing large camera frame buffers, data logs, or additional code. The internal 192 KB SRAM (128 KB system + 64 KB CCM) is used for time‑critical data and the stack, while the SDRAM handles bulk storage.
How does the STM32F407ZGT6 compare with the STM32F405? Why choose the F407?
The STM32F405 lacks the Ethernet MAC and DCMI camera interface, while the F407ZGT6 includes both. Both share the same CPU, memory size, and most other peripherals. Choose the F407ZGT6 when your design needs wired Ethernet networking and/or a parallel camera input. If those interfaces are not required, the F405 can be a slightly more cost‑sensitive alternative with the same core performance.
Can I upgrade from an STM32F103 or STM32F2 design to the STM32F407ZGT6?
Yes, it is a popular migration path. The F407ZGT6 offers a much higher CPU speed (168 MHz vs 72 MHz for the F103), an FPU with DSP instructions, Ethernet, USB HS, a DCMI camera, and double the Flash (1 MB). The LQFP‑144 package is often pin‑compatible with high‑end F103 and F2 devices, allowing a smooth hardware upgrade. Existing HAL code can be reused with minor adjustments, significantly boosting performance and connectivity.
How can I implement over‑the‑air (OTA) firmware updates with the STM32F407ZGT6's 1 MB single‑bank Flash?
The 1 MB Flash can be logically partitioned into a bootloader, an active application area, and a download buffer, or split into two 512 KB slots for an A/B update scheme. The 192 KB SRAM can temporarily hold the new firmware image during reception via Ethernet, USB, or an external wireless module. With proper signature verification, this provides a safe and reliable OTA mechanism without hardware dual‑bank Flash.
What low‑power modes does the STM32F407ZGT6 support, and can it be used in battery‑powered devices?
It supports Sleep, Stop, and Standby modes. In Stop mode with full SRAM retention, typical current is around 110 µA. The chip can wake up quickly on Ethernet, USB, or external interrupts. Together with its FPU and DSP capabilities, it is suitable for battery‑powered industrial sensors and portable instruments that spend most of their time in low‑power sleep and wake up to process and transmit data.
What are the most typical applications for the STM32F407ZGT6?
It excels in IP cameras, industrial vision sensors, wired IoT gateways, building automation controllers, USB‑host data loggers, motor drives with network connectivity, and any embedded system that needs a camera, Ethernet, and rich serial communication in an easy‑to‑manufacture LQFP‑144 package. Its balance of performance, memory, and connectivity makes it a versatile platform for a wide range of professional products.