STM32F429ZIT6

Product Overview

The STM32F429ZIT6 is a high-performance 32-bit microcontroller from STMicroelectronics based on the Arm Cortex-M4 processor with a single-precision floating-point unit, DSP instructions and Memory Protection Unit.

Operating at up to 180 MHz, the STM32F429ZIT6 integrates 2MB Flash memory and 256KB SRAM, together with advanced graphics acceleration, external memory interfaces, LCD-TFT support, Ethernet, USB, camera interface, ADCs, DACs and extensive communication peripherals.

The device is designed for demanding embedded applications including industrial automation, human-machine interfaces, networking equipment, consumer electronics, medical equipment, IoT gateways, displays and high-performance control systems.

Key Features

• Arm Cortex-M4 32-bit RISC core

• CPU frequency up to 180 MHz

• Single-precision FPU

• DSP instruction set

• Memory Protection Unit

• ART Accelerator

• 2MB Flash memory

• 256KB SRAM

• Up to 4KB backup SRAM

• Chrom-ART Accelerator

• Flexible Memory Controller (FMC)

• External SDRAM support

• LCD-TFT controller

• Camera interface

• 3 × 12-bit ADCs

• 2 × 12-bit DACs

• 16-stream DMA controller

• 12 × 16-bit general-purpose timers

• 2 × 32-bit general-purpose timers

• 2 × advanced motor-control PWM timers

• 4 × USART

• 4 × UART

• 6 × SPI

• 4 × I²C

• 2 × I²S

• 2 × CAN 2.0B

• USB 2.0 Full-Speed OTG

• USB 2.0 High-Speed OTG

• 10/100 Ethernet MAC with IEEE 1588 support

• SDIO interface

• True Random Number Generator

• CRC calculation unit

• 96-bit unique device ID

• SWD and JTAG debugging

• 1.8V to 3.6V supply voltage

• -40°C to +85°C operating temperature

• 144-pin LQFP package

• ECOPACK2 compliant

Technical Specifications

The exact STM32F429ZIT6 is the 2MB Flash, 144-pin LQFP variant. ST specifies the package as LQFP 144, 20mm × 20mm × 1.4mm, industrial grade, with a -40°C to +85°C operating temperature range.

Processor & Architecture

The STM32F429ZIT6 integrates an Arm Cortex-M4 processor operating at up to 180 MHz.

The processor includes:

• Single-precision floating-point unit

• DSP instructions

• Memory Protection Unit

• ART Accelerator

The Cortex-M4 architecture provides high real-time processing performance for control algorithms, graphics, communications and industrial applications.

Memory & Storage

The STM32F429ZIT6 provides:

• 2MB embedded Flash memory

• 256KB SRAM

• Up to 4KB backup SRAM

• Flash memory protection mechanisms

• Flexible Memory Controller

• External SDRAM support

• External NOR/NAND Flash support

The integrated FMC allows the MCU to connect to external memory devices, making it suitable for applications requiring large frame buffers or additional system memory.

Analog Peripherals

The STM32F429ZIT6 integrates:

• 3 × 12-bit ADCs

• Up to 24 external analog channels at family level

• 2 × 12-bit DACs

• Internal temperature sensor

• Analog watchdog functionality

The ADC and DAC peripherals support sensor acquisition, monitoring, control and mixed-signal applications.

Timer & PWM Resources

The STM32F429ZIT6 provides an extensive timer subsystem:

• 12 × 16-bit general-purpose timers

• 2 × 32-bit general-purpose timers

• 2 × advanced motor-control PWM timers

• Multiple input-capture/output-compare channels

• PWM generation

• Quadrature encoder support

• Pulse counting

• 2 × watchdog timers

• 24-bit SysTick timer

These resources support motor control, industrial automation, power conversion and real-time control applications.

Communication & Connectivity

The STM32F429ZIT6 provides extensive communication interfaces:

• 4 × I²C

• 4 × USART

• 4 × UART

• 6 × SPI

• 2 × I²S

• 2 × CAN 2.0B

• USB 2.0 Full-Speed OTG

• USB 2.0 High-Speed OTG

• SDIO

• 10/100 Ethernet MAC

• Camera interface

The integrated Ethernet MAC supports IEEE 1588 hardware timestamping, while the USB OTG interfaces support host, device and OTG operation.

Clock & Power Management

The STM32F429ZIT6 supports flexible clock and reset architectures.

Clock resources include:

• External high-speed crystal/clock input

• Internal high-speed RC oscillator

• External 32kHz oscillator for RTC

• Internal 32kHz RC oscillator

• PLL clock generation

Power-management features include:

• Power-on reset

• Power-down reset

• Programmable voltage detector

• Brownout reset

• Multiple low-power operating modes

• VBAT supply for RTC and backup registers

The device operates from a 1.8V to 3.6V supply.

Low-Power Operation

The STM32F429ZIT6 supports several power-saving modes:

• Sleep

• Stop

• Standby

The RTC can continue operating from the VBAT supply, while backup registers and backup SRAM provide data retention functionality during appropriate low-power conditions.

These features allow the MCU to be used in systems that require both high processing performance and controlled power consumption.

Power Management

The STM32F429ZIT6 operates from a 1.8V to 3.6V supply voltage.

Power-management features include:

• Power-on reset

• Power-down reset

• Programmable voltage detector

• Brownout protection

• Low-power modes

• VBAT supply

• RTC backup operation

The flexible power architecture supports industrial, consumer and embedded control systems.

Security & Data Integrity

The STM32F429ZIT6 incorporates hardware features for firmware protection and system reliability:

• Memory Protection Unit

• Flash read protection

• Flash write protection

• True Random Number Generator

• CRC calculation unit

• 96-bit unique device ID

• Hardware watchdogs

• Backup SRAM

These functions provide additional protection and system integrity for embedded applications.

Development & Debugging

The STM32F429ZIT6 supports:

• Serial Wire Debug (SWD)

• JTAG

• Cortex-M4 debugging and trace capabilities

• STM32Cube development ecosystem

• ST programming and debugging tools

The STM32F4 platform is supported by extensive development hardware, software libraries and development tools.

Applications

The STM32F429ZIT6 is suitable for:

• Industrial automation

• Human-machine interfaces

• TFT displays

• Industrial control panels

• Networking equipment

• IoT gateways

• Medical equipment

• Consumer electronics

• Motor control

• Robotics

• Embedded networking

• Data acquisition

• Smart appliances

• Industrial controllers

• High-performance embedded systems

The combination of Cortex-M4 processing, large Flash/SRAM capacity, Ethernet, USB, graphics acceleration and external memory support makes the device suitable for complex embedded systems.

Benefits

• 180MHz Cortex-M4 performance

• Single-precision FPU

• DSP instruction support

• 2MB Flash memory

• 256KB SRAM

• External SDRAM support

• Chrom-ART graphics accelerator

• LCD-TFT controller

• Camera interface

• 3 × 12-bit ADCs

• 2 × 12-bit DACs

• 2 × CAN interfaces

• USB 2.0 FS/HS OTG

• 10/100 Ethernet with IEEE 1588

• Multiple SPI, I²C, UART and USART interfaces

• Advanced PWM and timer resources

• Industrial -40°C to +85°C temperature range

• 144-pin LQFP package

• Mature STM32F4 development ecosystem

Packaging & Ordering Information

• Part Number: STM32F429ZIT6

• Manufacturer: STMicroelectronics

• Device Family: STM32F4

• Device Series: STM32F429ZI

• Core: Arm Cortex-M4

• Maximum Frequency: 180MHz

• Flash Memory: 2MB

• SRAM: 256KB

• Package: LQFP-144

• Package Size: 20mm × 20mm × 1.4mm

• Packing Type: Tray

• Supply Voltage: 1.8V to 3.6V

• Operating Temperature: -40°C to +85°C

• Product Grade: Industrial

• RoHS: ECOPACK2

• Product Status: Active

ST's exact-part information confirms STM32F429ZIT6 as an active, industrial-grade LQFP-144 device, with Traypacking and -40°C to +85°C operation.

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, and application information, please refer to the official STMicroelectronics documentation.

Datasheet: Official STM32F429ZIT6 Datasheet

Frequently Asked Questions

What is the STM32F429ZIT6?

The STM32F429ZIT6 is a high-performance 32-bit STMicroelectronics MCU based on the Arm Cortex-M4 core, operating at up to 180 MHz.

How much Flash memory does STM32F429ZIT6 have?

It provides 2MB of embedded Flash memory.

How much SRAM does STM32F429ZIT6 have?

The device provides 256KB SRAM, with additional backup SRAM available in the device architecture.

What package does STM32F429ZIT6 use?

The exact STM32F429ZIT6 uses a 144-pin LQFP package measuring 20mm × 20mm × 1.4mm.

What is the operating voltage?

The supply voltage range is 1.8V to 3.6V.

What is the operating temperature range?

The STM32F429ZIT6 industrial-grade variant operates from -40°C to +85°C.

Does STM32F429ZIT6 support Ethernet?

Yes. It integrates a 10/100 Mbps Ethernet MAC with IEEE 1588 hardware support.

Does STM32F429ZIT6 support USB?

Yes. The STM32F429 family provides USB 2.0 Full-Speed and High-Speed OTG connectivity.

Does STM32F429ZIT6 support graphics?

Yes. The STM32F429ZI integrates the Chrom-ART Accelerator, LCD-TFT controller and external memory support, making it suitable for advanced display and HMI applications.

Is STM32F429ZIT6 suitable for industrial applications?

Yes. ST classifies the exact part as Industrial grade, with -40°C to +85°C operation and a 10-year longevity commitment starting in 2026.

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