20/04/2026
Manufacturer Part Number
STM32F429ZIT6
Manufacturer
STMicroelectronics
Introduction
STM32F429ZIT6 is a high-performance 32-bit microcontroller built on the ARM Cortex-M4 core. It is designed for advanced embedded systems that need strong processing capability, large Flash memory, rich connectivity, graphics support, and mixed-signal control in one device. It is well suited for industrial control, HMI, networking, instrumentation, and complex real-time applications.
Product Features and Performance
ARM Cortex-M4 single-core architecture with DSP capability for fast control and signal processing
Maximum clock speed 180 MHz for high real-time computing performance
Large on-chip program memory 2 MB Flash for complex firmware, communication stacks, GUI frameworks, and application code
On-chip RAM 256 KB for buffering, runtime data, protocol handling, and control tasks
114 programmable I/O pins for interface-dense embedded designs
Integrated Ethernet connectivity for networked embedded systems
Integrated CAN bus support for industrial and automotive-style communication networks
USB OTG support for embedded USB host or device applications
Multiple serial interfaces including I2C, SPI, UART, USART, IrDA, and LINbus support
EBI/EMI external bus interface support for connection to external memory and parallel peripherals
LCD peripheral support for graphics displays and human-machine interface products
I2S support for digital audio data transfer
DMA controller reduces CPU overhead during peripheral and memory transfers
12-bit ADC subsystem with 24 channels for analog sensing and measurement
Dual 12-bit DAC outputs for waveform generation and analog control output
Brown-out detection and reset monitoring for stable power-up behavior
POR and reset supervision for reliable startup control
PWM support for motor control, lighting control, and power conversion
Watchdog timer for recovery from firmware faults
Internal oscillator support simplifies clock architecture in many designs
Wide supply range 1.8 V to 3.6 V supports modern low-voltage embedded systems
Surface-mount 144-LQFP package for high pin count without BGA complexity
Industrial operating temperature range suitable for controlled harsh environments
Product Advantages
180 MHz Cortex-M4 performance gives a strong balance of speed, power, and embedded control capability
2 MB Flash provides large code space for feature-rich products
256 KB RAM supports graphics, communication buffering, and multitasking
Integrated Ethernet, CAN, USB OTG, and LCD support reduces the need for external interface ICs
High pin count makes it suitable for products with many sensors, buses, displays, and external devices
Dual DAC and high-channel-count ADC improve mixed-signal system integration
LQFP package is easier to prototype and manufacture than fine-pitch BGA alternatives
Part of the STM32F4 ecosystem with strong software, middleware, documentation, and community support
Key Technical Parameters
Core processor ARM Cortex-M4
Core type 32-bit single-core
Maximum speed 180 MHz
Program memory size 2 MB
Program memory type Flash
RAM size 256 KB
EEPROM none specified
Supply voltage range 1.8 V to 3.6 V
Number of I/O 114
ADC configuration 24 channels 12-bit
DAC configuration 2 channels 12-bit
Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Oscillator type internal
Operating temperature -40 °C to +85 °C
Mounting type surface mount
Package 144-LQFP
Supplier device package 144-LQFP 20 mm × 20 mm
Series STM32F4
Base product family STM32F429
Product status active
Quality and Safety Features
Brown-out detect and reset protection helps prevent unstable operation during supply dips
POR reset supervision improves startup reliability
Watchdog timer supports recovery from software lockup conditions
Industrial temperature rating supports dependable operation in demanding embedded environments
Integrated peripherals reduce interconnect complexity and lower system-level failure points
STMicroelectronics production and quality framework supports long-term embedded reliability
Suitable for safety-conscious designs when paired with proper external supervision, power integrity, and firmware diagnostics
Compatibility
Compatible with STM32CubeIDE, STM32CubeMX, HAL, and LL software frameworks
Compatible with common ARM Cortex-M toolchains including GCC, Keil, and IAR
Suitable for FreeRTOS and other RTOS-based applications
Works with Ethernet PHY devices, external memories, LCD panels, sensors, ADC front ends, audio interfaces, and industrial communication peripherals
Compatible with other STM32F4 design flows for easier migration within the family
Good fit for systems that need USB, CAN, Ethernet, graphics, and analog functions in one MCU
LQFP package is compatible with rework-friendly manufacturing and many industrial PCB assembly flows