STM32F429IET6
STM32F429IET6 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics
The STMicroelectronics STM32F429IET6 is a 32-bit ARM Cortex-M4 microcontroller with FPU and DSP instructions, operating up to 180 MHz and integrating 512 KB of Flash memory in a 176-pin LQFP package measuring 24 x 24 mm. According to the verified product listing, the device belongs to the STM32F4 high-performance microcontroller family and combines an adaptive real-time accelerator, memory protection capability, extensive connectivity, and mixed-signal peripherals.
A microcontroller is a programmable system-on-chip that executes firmware, coordinates digital interfaces, samples analog signals, and controls external hardware. The STM32F4 family sits within the hierarchy microcontroller, embedded processor, semiconductor, and electronic component. Its Cortex-M4 core is designed for real-time embedded workloads where efficient instruction execution, deterministic peripherals, and integrated connectivity are more important than a host operating system.
Key verified features include a 32-bit Cortex-M4 core with FPU, DSP instructions, operation up to 180 MHz, 512 KB of Flash, 225 DMIPS, an MPU, and zero-wait-state Flash execution using the ART Accelerator. The family datasheet also identifies USB high-speed and full-speed support, Ethernet, 17 timers, three ADCs, up to 20 communication interfaces, camera capability, and an LCD-TFT controller. These resources support demanding industrial controls, communications equipment, graphical instruments, and connected embedded systems.
The core can execute 225 DMIPS according to the verified family data, while the FPU accelerates floating-point calculations and DSP instructions support signal-processing workloads. The 512 KB target variant offers substantial firmware space for networking stacks, control algorithms, and application logic. Exact SRAM capacity, voltage limits, GPIO count, and detailed timing values are not provided in the supplied excerpts and therefore are not inferred here.
Typical uses include EtherCAT or industrial automation controllers, Ethernet-connected equipment, USB peripherals, camera-based inspection, TFT human-interface panels, and high-performance sensor-processing modules. The combination of Ethernet, USB, camera, LCD-TFT, and multiple serial interfaces allows consolidation of functions that might otherwise require several discrete components.
Designers must use the manufacturer pinout and electrical data before PCB layout because all 176 package pins must be assigned correctly and unused interfaces need suitable termination. Power, decoupling, clock, reset, boot, and signal-integrity decisions should follow the STM32F427xx and STM32F429xx family datasheet rather than generic MCU assumptions.
This product record consolidates verified distributor specifications, the official family datasheet, sourcing information, and practical integration guidance. It also distinguishes true same-package drop-in alternatives from merely similar MCUs, helping engineers avoid replacements that require firmware, board, or pin-function changes.
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