STM32F429IIT6E - 180MHz Cortex-M4 MCU | STMicroelectronics
MPN: STM32F429IIT6E ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $24.1298 | $24.13 |
| 10 | $24.1298 | $241.30 |
| 100 | $24.1298 | $2,412.98 |
| 500 | $24.1298 | $12,064.90 |
| 1,000 | $24.1298 | $24,129.80 |
STM32F429IIT6E Overview
What is an ARM Cortex-M4 microcontroller? An MCU is a semiconductor that combines a processor core, memory, peripherals, and communication interfaces on one IC. The Cortex-M4 core belongs to the ARM Cortex-M family of 32-bit RISC processors and is designed for embedded control, signal processing, communications, and real-time applications. In the STM32F4 family, the STM32F429 combines high performance with extensive external connectivity and is commonly used where a high pin count is valuable.
Key verified features include a 32-bit RISC core, operation up to 180 MHz, and 2 MB of Flash organized as 2M x 8. The DigiKey listing identifies the device as a 176-LQFP package with a 24 x 24 mm body. The STMicroelectronics product page identifies STM32F427xx and STM32F429xx devices as members of the STM32F4 family based on the high-performance Arm Cortex-M4 core.
The STM32F429IIT6E is positioned between simple control MCUs and higher-end application processors. Its broad peripheral and I/O capability makes it relevant for industrial equipment, human-interface systems, communications equipment, audio and control platforms, and test or measurement products. Firmware selection must use the exact STM32F429IIT6E device identity rather than relying only on the STM32F4 family name.
The 176-LQFP package exposes substantially more I/O than small-package MCUs, which is useful for parallel buses, display interfaces, communication peripherals, control signals, and multi-channel sensing. Because no verified pin table was supplied, the pinout is marked as unavailable rather than inferred. Likewise, electrical limits, memory beyond the verified 2 MB Flash figure, operating temperature, and compliance claims should be checked in the manufacturer documentation before design release.
For PCB design, confirm the exact land pattern, pin assignments, power requirements, decoupling, clocking, and exposed thermal strategy from the official STM32F429 documentation. Do not substitute a similarly named STM32F429IIT6G without confirming package, temperature, qualification, and order-code differences.
This product record consolidates verified distributor and manufacturer information, while separating confirmed data from parameters requiring datasheet review. It supports faster sourcing and engineering triage without treating unverified specifications as guaranteed design facts.
Drop-in alternatives for STM32F429IIT6E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32F429IIT6E (same form factor and footprint) — differing in Package, Flash Memory, ADC, Communication Interfaces, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F429IIT6G
✅ Drop-In✓ In Stock
$9.86 / Unit
View Datasheet →STM32F429IIT6
✅ Drop-In✓ In Stock
$8.3523 / Unit
View Datasheet →STM32F439IGT6
✅ Drop-In✓ In Stock
$8.4 / Unit
View Datasheet →STM32F429IIT6E Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Processor Core | ARM Cortex-M4 32-bit RISC |
| Maximum Operating Frequency | 180 MHz |
| Flash Memory | 2 MB (2M x 8) |
| Package | 176-LQFP |
| Package Body Size | 24 x 24 mm |
| Device Family | STM32F4 |
| Series | STM32F429 |
| Bit Width | 32 bit |
| Architecture | RISC |
| Mounting Type | Surface Mount |
| Unit Price | $24.1298 per piece; lead time to be confirmed; estimated delivery Apr 17-Apr 22 as shown in the verified listing |
STM32F429IIT6E 24 x 24 mm Pin Configuration Guide
Pin configuration for STM32F429IIT6E (24 x 24 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for STM32F429IIT6E.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32F429IIT6E is suitable for 7 applications: Industrial Automation Controller, Human-Machine Interface, Communications Gateway, Audio Control Platform, Data Acquisition and Test System, Embedded Instrument Platform, Motor and Power-System Control.
Industrial Automation Controller
The STM32F429IIT6E fits an industrial automation controller where a 180 MHz ARM Cortex-M4 core can execute control logic, communication tasks, and supervisory functions while the 176-LQFP package provides a large external I/O budget. Its verified 2 MB Flash capacity also gives embedded firmware more room than a basic controller. The device is placed at the center of the control board and connects sensors, actuators, communications, and status logic. Before design release, verify the operating-voltage range, temperature rating, industrial qualification, pin multiplexing, and timing requirements against the official STM32F429 documentation.
Recommended
Human-Machine Interface
For a human-machine interface, the STM32F429IIT6E provides the combination of high Cortex-M4 processing performance and a high-pin-count package needed to coordinate displays, buttons, indicators, encoders, and communications. The 180 MHz maximum frequency supports responsive UI logic and background tasks, while 2 MB Flash can accommodate graphics assets, localization data, and application code. In a typical design, the MCU drives an external display interface and reads controls through GPIO or serial peripherals. Confirm the exact LCD, touch, voltage, and pin assignments in the manufacturer documentation before layout.
Recommended
Communications Gateway
The STM32F429IIT6E is suitable for a communications gateway when a design needs substantial embedded processing alongside many external signal connections. Its verified 180 MHz Cortex-M4 core can support protocol handling and buffering, and the 176-LQFP package offers more I/O than compact MCUs for status, control, and multiple peripheral connections. The MCU can manage an Ethernet or other communications interface only after the required PHY, transceiver, connector, and pin-level support is verified. Treat cross-brand gateway modules as redesign options unless a complete pin and electrical match is independently established.
Recommended
Audio Control Platform
The STM32F429IIT6E can serve as the control processor in an audio system, using its 180 MHz Cortex-M4 core for user controls, transport logic, status display, and communications. The 2 MB Flash capacity can support firmware and configuration data, while the 176-LQFP package can expose controls and interface signals to codecs, amplifiers, and connectors. The MCU itself does not establish audio-performance specifications; analog signal quality depends on the codec, amplifier, clocking, layout, and power design. Verify supported audio peripherals and pin assignments in the official STM32F429 documentation.
Recommended
Data Acquisition and Test System
For data-acquisition and test equipment, the STM32F429IIT6E offers a high-performance control core, 2 MB Flash, and a high-pin-count package for coordinating sensors, ADC interfaces, relays, displays, and communications. The 180 MHz Cortex-M4 class is appropriate for measurement sequencing, calibration logic, and real-time control when the external analog front end is selected separately. A practical design would use the MCU to trigger converters and process results while keeping sensitive analog routing away from digital switching paths. Confirm ADC, timer, DMA, voltage, and pin functions in the manufacturer documentation before committing the architecture.
Recommended
Embedded Instrument Platform
The STM32F429IIT6E is a credible embedded instrument controller because its 180 MHz core can manage measurement algorithms, control sequencing, calibration tables, and communications, while the 176-LQFP package provides access to many external peripherals. The 2 MB Flash figure provides a defined storage baseline for firmware and configuration data. In an instrument design, the MCU would coordinate analog and digital converters, front-panel controls, communications, and status indicators. Because the supplied evidence does not include timing, memory, electrical, or qualification details, the design team should validate the complete datasheet and firmware requirements before using it as a safety- or mission-critical controller.
Recommended
Motor and Power-System Control
The STM32F429IIT6E can be evaluated for motor-control and power-system supervisory designs because its Cortex-M4 core provides real-time computation and its large package exposes numerous control and sensing signals. The MCU can generate timing references, process feedback, monitor interlocks, and manage communications through STM32 peripherals when the required functions are confirmed in the exact device documentation. The STM32F429IIT6E is not itself a power MOSFET, gate driver, or isolated interface, so those functions require external components. Validate voltage limits, timer capabilities, safety behavior, thermal conditions, and package layout before using it in a motor-drive stage.
Recommended
Recommended Products Summary
Engineering reference data for STM32F429IIT6E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F429IIT6G | STM32F429IIT6 | STM32F439IGT6 |
|---|---|---|---|---|
| Package | 176-LQFP | 176-LQFP | 176-LQFP | 176-LQFP |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Flash Memory | 2 MB (2M x 8) | 2 MB | 2 MB | 1024 KB |
Key Differentiators
- Confirmed 2 MB Flash allocation (vs STM32F439IGT6)
- 176-LQFP package continuity (vs STM32F429IIT6)
- High-performance Cortex-M4 positioning (vs STM32F429IIT6G)
Design Notes
Use the official STM32F429II package drawing to define the 176-LQFP land pattern before PCB release. The verified material confirms the 176-LQFP format and 24 x 24 mm body but does not provide pad dimensions, pin numbering, or land-pattern tolerances. Do not derive these values from a generic LQFP library or from the similarly named non-E listing. Confirm pin 1 orientation, pin names, and exposed thermal requirements against the exact manufacturer documentation.
The supplied data does not specify the STM32F429IIT6E operating voltage, current limits, or power-consumption figures. Before schematic capture, verify the complete power tree, decoupling values, startup sequencing, and voltage tolerances in the manufacturer datasheet. In particular, do not assume that the voltage range of another STM32F4 member applies automatically to this orderable part. A power design based on an unverified voltage limit can damage the MCU or cause intermittent field failures.
Plan the board around the high-pin-count 176-LQFP footprint and route sensitive interfaces according to the exact pin multiplexing and peripheral requirements. Keep clocks, high-speed signals, analog inputs, and external power-conversion regions separated where practical, and place required bypass components close to the relevant supply pins. Because the verified data does not include the complete pinout or internal clock requirements, finalize placement only after downloading and reviewing the exact manufacturer documentation.
Do not treat STM32F429IIT6, STM32F429IIT6G, and STM32F429IIT6E as interchangeable simply because search results associate them with the STM32F429 family or 176-LQFP packaging. Suffix differences can affect ordering, qualification, or availability, and the supplied evidence does not decode them. For production, reconcile the manufacturer ordering information, exact label marking, BOM suffix, and distributor inventory record before substitution.
The verified data does not state thermal resistance, maximum junction temperature, or power dissipation for STM32F429IIT6E. Any thermal calculation must therefore begin after those values are obtained from the official datasheet and confirmed for the actual PCB copper and airflow. For a 176-LQFP device, package escape and via layout can materially affect thermal performance, so a generic package estimate is not sufficient for production thermal validation.
Compliance Information
The supplied manufacturer and distributor results do not state RoHS, REACH, lead-free, halogen-free, conflict-mineral, or AEC-Q100 status. Verify these claims against official STMicroelectronics documentation and the exact orderable part.
