Item specifics
Description
The STM32F427ZGT6 is a Cortex-M4 high-performance MCU from STMicroelectronics in an LQFP-144 package. It runs at 180 MHz with FPU and ART Accelerator. It integrates 1 MB Flash, 256 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/true random number processor, dual CAN 2.0B, 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 STM32F427VGT6 (LQFP-100, 82 I/Os), the package is upgraded to LQFP-144, providing extremely rich I/O resources. Compared to the STM32F407ZGT6 (168 MHz, 192 KB SRAM), this model increases the core frequency to 180 MHz, increases SRAM to 256 KB, adds a second CAN interface and a true random number generator, providing comprehensive enhancements in performance and security. Compared to the STM32F427VIT6 (2 MB Flash), this model features 1 MB Flash, making it a cost-effective choice in the LQFP-144 package.
Core: Arm Cortex-M4 180 MHz + FPU + ART Accelerator Memory: 1 MB Flash, 256 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), True RNG Dual CAN 2.0B: Supports dual industrial bus communication 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 Security Applications: IoT security, payment terminals, data integrity verification Portable Medical Devices Complex Embedded Systems: Applications requiring numerous I/Os, multi-peripheral connectivity, and Ethernet
180 MHz Cortex-M4 + FPU: Increased core frequency for complex DSP and floating-point operations 256 KB SRAM + 1 MB Flash: Large SRAM for complex data processing and buffering Ethernet + DCMI + Crypto + Dual CAN: Network communication, image capture, data security, and dual industrial bus in an LQFP-144 package Hardware Crypto Engine + RNG: AES/3DES/HASH/true random number for data security and integrity 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
Years of experience in the electronics industry. Trusted by global customers.
Massive In-Stock Inventory – Ready to ship promptly.
BOM Matching Service – One-stop solution, save time.
PCBA Customization – Professional engineering team creates tailor-made solutions based on your needs.
Cost-Effective & Efficient – Better channel, better cost.
A dedicated team makes your procurement smoother.
Contact us for BOM quotes or PCBA inquiries.
FAQ:
What is the STM32F427ZGT6 and how does it differ from the STM32F427ZIT6?
The STM32F427ZGT6 is a high‑performance 180 MHz Cortex‑M4 microcontroller with 1 MB Flash, 256 KB SRAM, and a full suite of industrial communication peripherals in an LQFP‑144 package. It lacks the TFT‑LCD controller, Chrom‑ART, and DCMI found on the F429, making it a headless‑optimised device. The only difference from the ZIT6 is Flash size: ZGT6 has 1 MB while ZIT6 offers 2 MB. All other features—CPU speed, SRAM, and peripherals—are identical.
Is 1 MB of Flash enough for a complex real‑time control application with an RTOS and TCP/IP stack?
Absolutely. A typical setup with FreeRTOS, LwIP, CANopen, and motor‑control libraries consumes 400–700 KB, leaving ample room for application logic. Many industrial gateways, drives, and PLCs comfortably reside within 1 MB. If your code footprint is well‑understood and unlikely to grow significantly, the ZGT6 provides the same Cortex‑M4 power as the ZIT6 at a more optimised cost.
When should I pick the STM32F427ZGT6 over the STM32F427ZIT6?
Choose ZGT6 when your compiled firmware with all middleware fits within 1 MB, and you want to avoid paying for unused Flash. It is the natural choice for dedicated, fixed‑function industrial devices that will not receive large feature updates. If you anticipate code growth, need multiple language support, or want a safety margin for future over‑the‑air updates, the 2 MB ZIT6 is the safer bet.
Is the STM32F427ZGT6 a good upgrade from the STM32F407? What benefits do I get?
Yes, it is a direct performance upgrade. The ZGT6 retains the LQFP‑144 package and high pin‑compatibility with popular F407Zx boards. You gain a faster 180 MHz clock (vs 168 MHz), double the SRAM (256 KB vs 192 KB), more serial ports, and an improved DMA. If you currently use an F407 with 1 MB Flash, the ZGT6 is a drop‑in replacement with extra speed and memory while keeping the same Flash density.
Does the STM32F427ZGT6 have any graphics or camera features?
No. The F427 family intentionally omits the TFT‑LCD controller, Chrom‑ART accelerator, and DCMI camera interface found on the F429. This makes the ZGT6 a pure “headless” MCU, perfect for industrial control, gateways, motor drives, and any application where a display is either not needed or driven by a simple SPI interface.
How is the 256 KB SRAM organised, and what is the CCM memory?
The SRAM is split into 112 KB general‑purpose SRAM, 64 KB core‑coupled memory (CCM), 64 KB system SRAM, and 16 KB instruction TCM. The CCM is directly attached to the CPU data bus for zero‑wait‑state access, ideal for critical real‑time data and the stack. Note that CCM cannot be accessed by DMA, so place DMA‑dependent buffers in the general‑purpose or system SRAM.
Can the STM32F427ZGT6 run Ethernet, USB high‑speed, and dual CAN simultaneously?
Yes. It features a 10/100 Ethernet MAC (RMII/MII), two USB OTG (one HS with ULPI, one FS), and up to two CAN 2.0B interfaces. Together with multiple UART, SPI, and I2C peripherals, the ZGT6 can serve as a powerful industrial communication hub without pin conflicts on the LQFP‑144 package.
What external memory does the STM32F427ZGT6 support?
The flexible memory controller (FMC) supports SDRAM, NOR Flash, NAND Flash, and SRAM. You can add external SDRAM for data logging or a parallel Flash for additional code storage. The QSPI interface is also available for serial Flash memory expansion.
What development tools and IDEs support the STM32F427ZGT6? Can I use STM32CubeIDE?
All mainstream tools—free STM32CubeIDE, Keil MDK, and IAR EWARM—fully support the chip. Prototyping can start on a NUCLEO‑F429ZI board, which is software‑compatible; simply disable the unused graphics and camera peripherals in CubeMX and adjust the linker script for 1 MB Flash.
What are the most typical applications for the STM32F427ZGT6?
It is ideal for industrial IoT gateways, programmable logic controllers, motor drives, digital power supplies, high‑speed data loggers, and precision instrumentation. Any embedded system that demands raw Cortex‑M4 processing power, generous SRAM, and rich connectivity—but does not require a graphical display—will benefit from the balanced features of the ZGT6.