STM32F429IEH6 - 180MHz Cortex-M4 MCU 512KB Flash | STMicroelectronics
MPN: STM32F429IEH6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.42 | $18.42 |
| 10 | $16.95 | $169.50 |
| 100 | $14.8 | $1,480.00 |
| 500 | $12.65 | $6,325.00 |
| 1,000 | $10.94 | $10,940.00 |
STM32F429IEH6 Overview
An ARM Cortex-M4 microcontroller (MCU) is a 32-bit RISC processor core featuring a single-precision floating-point unit (FPU), DSP extensions, and a Nested Vectored Interrupt Controller (NVIC). Cortex-M4 sits in the Cortex-M family (Cortex-M0/M0+/M3/M4/M7) targeted at deterministic embedded control, and STM32F4 series parts occupy the high-performance tier with up to 180 MHz operation. The STM32F429IEH6 belongs to the broader STM32 family of microcontrollers — a portfolio that also includes lower-power STM32L0/L4 and mainstream STM32F0/F1/F3 variants — covering the full range from 8-bit replacement up to high-performance graphics and motor control.
Key specifications include 512 KB Flash organized as dual-bank for read-while-write, 256 KB SRAM (including 64 KB core-coupled SRAM), 17 timers, three 12-bit ADCs at 2.4 MSPS, two 12-bit DACs, USB 2.0 OTG full-speed and high-speed with on-chip PHY, 10/100 Ethernet MAC, CAN 2.0B, SDMMC, and an external memory controller for SDRAM, SRAM, NOR/NAND, and CompactFlash. Operating voltage is 1.8-3.6 V and junction temperature spans -40 °C to +85 °C (industrial grade) or up to +105 °C.
The STM32F429IEH6 leverages a Cortex-M4 core with single-precision FPU, Thumb-2 instruction set, and DSP extensions. The ART Accelerator prefetches and caches instructions to deliver true 0-wait-state performance at 180 MHz even from Flash — equivalent to 225 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1). The Chrom-ART DMA2D engine and LCD-TFT controller offload pixel processing, enabling image rendering without CPU intervention — a significant advantage in graphical HMI designs.
Typical applications include industrial HMI panels with TFT displays, motor-control drives, medical patient monitors, point-of-sale terminals, GPS/navigation devices, smart appliances, IoT gateways, and graphical user interfaces. The combination of LCD controller, Ethernet, USB OTG HS, and 176-pin BGA package supports compact designs with rich connectivity.
When designing with the STM32F429IEH6, ensure the PCB incorporates a stable 1.8-3.6 V supply with adequate decoupling (typically 100 nF + 4.7 µF bulk) near each VDD pin group. The 176-ball UFBGA requires reflow profile per JEDEC J-STD-020, and routing length-matched SDRAM traces must observe the external memory controller timing budgets described in ST application note AN4861.
This page synthesizes distributor pricing, package-pinned drop-in alternatives, design notes, and parameter-by-parameter comparisons that are not consolidated in any single manufacturer or distributor page.
Drop-in alternatives for STM32F429IEH6 — 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 STM32F429IEH6 (same form factor and footprint) — differing in Flash Memory, Package, Communication Interfaces, Operating Temperature, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F427IIH6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.1 / Unit
View Datasheet →STM32F429NIH6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.63 / Unit
View Datasheet →STM32F429IIH6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F407IEH6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F407IGH6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F427IGH6
✅ Drop-In✓ In Stock
$11.85 / Unit
View Datasheet →STM32F429IEH6 Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M4 with FPU and DSP |
| Maximum Clock Frequency | 180 MHz |
| DMIPS Performance | 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) |
| Flash Memory | 512 KB |
| SRAM | 256 KB (includes 64 KB CCM) |
| Operating Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C (industrial grade) |
| Package | UFBGA-176 (10x10 mm) |
| ADC | 3x 12-bit, 2.4 MSPS |
| DAC | 2x 12-bit |
| Timers | 17 (including 2x 32-bit) |
| Communication Interfaces | USB OTG FS + HS, 10/100 Ethernet, 2x CAN 2.0B, 6x USART/UART, 3x SPI, 3x I2C, 2x SDMMC |
| Display Controller | LCD-TFT up to XGA, with Chrom-ART DMA2D accelerator |
| External Memory Controller | Yes (SRAM, SDRAM, NOR, NAND, CompactFlash) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount (BGA) |
| MSL Level | 3 (168 hours) |
| Lead-Free / Halogen-Free | Yes / Yes |
STM32F429IEH6 ufbga-176 (10x10 mm) Pin Configuration Guide
Pin configuration for STM32F429IEH6 (ufbga-176 (10x10 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 STM32F429IEH6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32F429IEH6 is suitable for 7 applications: Industrial HMI Panels with TFT-LCD, Motor Control and Industrial Drives, Medical Patient Monitoring Devices, Point-of-Sale Terminals and Printers, GPS / Navigation and IoT Gateways, Audio Playback and Consumer Appliances, Industrial IoT and Edge Controllers.
Industrial HMI Panels with TFT-LCD
The STM32F429IEH6 is the canonical choice for industrial human-machine-interface (HMI) panels with QVGA to XGA TFT displays because the device integrates an LCD-TFT controller capable of driving up to XGA (1024x768) in 24-bit color without an external graphics controller. The on-chip Chrom-ART DMA2D engine offloads pixel-copy, blending, and pixel-format conversion operations, leaving the Cortex-M4 core free for application logic. A typical design uses the external memory controller to attach 8-32 MB SDRAM for frame buffers. Developers pair the STM32F429IEH6 with TouchGFX or STemWin libraries to deliver 60-fps animations on displays up to 5 inches, all on a single MCU — reducing BOM cost versus an MCU + external GPU architecture.
Recommended
Motor Control and Industrial Drives
The STM32F429IEH6 suits motor-control and industrial drive applications thanks to its 180 MHz Cortex-M4 with single-precision FPU and DSP extensions, which deliver the mathematical throughput needed for field-oriented control (FOC) and sinusoidal commutation loops running at 20-50 kHz PWM. The 17 timers — including two 32-bit and advanced-control timers — provide the complementary PWM outputs, dead-time insertion, and emergency-stop inputs required for 3-phase inverter half-bridges. The 3x 12-bit 2.4 MSPS ADCs sample phase currents and DC-bus voltage with adequate bandwidth. Pairing with ST's MC SDK delivers out-of-the-box reference designs for PMSM, BLDC, and induction motors up to several kilowatts.
Recommended
Medical Patient Monitoring Devices
The STM32F429IEH6 fits medical patient-monitoring devices where the combination of DSP performance, 12-bit ADC resolution, USB OTG high-speed, and TFT-LCD support is needed for bedside monitors. The Cortex-M4 DSP extensions accelerate real-time filtering (IIR/FIR) of ECG, SpO2 plethysmograph, and respiration waveforms without an external DSP. The integrated USB-OTG high-speed PHY simplifies connection to bedside central stations, while the LCD-TFT controller drives 4.3-7 inch color displays. Industrial-grade (-40 °C to +85 °C) operation covers hospital environments. The device supports IEC 60601-1 design creepage/clearance constraints when laid out on a 4-layer PCB with appropriate isolation barriers.
Recommended
Point-of-Sale Terminals and Printers
The STM32F429IEH6 powers point-of-sale (POS) terminals and receipt printers because the integrated LCD-TFT controller drives the operator display, the USB OTG full-speed manages the keypad/MSR peripherals, and the Ethernet MAC (with external PHY) supports LAN-connected terminals. The 256 KB of SRAM plus external SDRAM via the FSMC handles full graphics frame buffers and transaction logs. The hardware cryptographic accelerators — though on F427 not F429 — can be added via software AES, but POS terminals needing high-volume TLS often pair this MCU with an external ATECC608B for secure key storage. Wide voltage tolerance (1.8-3.6 V) supports battery-backed designs that survive brownouts during print jobs.
Recommended
GPS / Navigation and IoT Gateways
The STM32F429IEH6 is suitable for GPS navigation head units and IoT gateways because the integrated LCD-TFT controller renders map tiles and telemetry on color displays, while the 10/100 Ethernet MAC, USB OTG high-speed, and multiple USART/SPI interfaces aggregate sensor and network data. The 512 KB Flash with ART Accelerator enables map-decoding algorithms (e.g. polyline simplification, route calculations) to run with 0-wait-state Flash performance, and the external memory controller connects a fast SPI NOR or Quad-SPI Flash for map storage. Developers typically layer FreeRTOS or Azure RTOS on this MCU to manage concurrent Wi-Fi/BLE, GPS, and user-interface tasks.
Recommended
Audio Playback and Consumer Appliances
The STM32F429IEH6 is well matched to high-end audio playback products and smart appliances that benefit from the 2x 12-bit DACs, I2S interfaces for external audio codecs, and TFT display support. Designers pair the MCU with a 24-bit stereo DAC like the CS4344 or the PCM5102A to drive headphones or Class-D amplifiers; the F429's 180 MHz Cortex-M4 decodes MP3, FLAC, and Opus streams in real time using the CMSIS-DSP library. For smart appliances (ovens, washers, induction cooktops) the LCD-TFT controller drives a graphical user interface, and the 17 timers handle motor commutation, sensor sampling, and safety interlocks.
Recommended
Industrial IoT and Edge Controllers
The STM32F429IEH6 anchors industrial edge controllers and IoT gateways that aggregate sensor data over Ethernet/CAN/USB and present it on a local TFT display. The 180 MHz Cortex-M4 runs TCP/IP stacks (LwIP) plus the Modbus/OPC-UA protocols used in factory automation, while the hardware Crypto engines available on F427 enable secure boot and TLS handshakes. The 10/100 Ethernet MAC reduces BOM versus designs that need an external ENC28J60. Designers use the external memory controller to attach 8 MB SDRAM for network buffering and 16 MB Quad-SPI NOR for firmware-over-the-air (FOTA) storage. Operating temperature range and EMC characteristics meet IEC 61000-4-2/4-4 industrial immunity when paired with proper board-level filtering.
Recommended
Recommended Products Summary
Engineering reference data for STM32F429IEH6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F427IIH6 | STM32F429NIH6 | STM32F429IIH6 | STM32F407IEH6 | STM32F407IGH6 | STM32F427IGH6 |
|---|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | UFBGA-176 (10x10 mm) | UFBGA-176 (10x10 mm) - same | UFBGA-176 (10x10 mm) - same | UFBGA-176 (10x10 mm) - same | UFBGA-176 (10x10 mm) - same | UFBGA-176 (10x10 mm) - same | UFBGA-176 (10x10 mm) - same |
| Core | Cortex-M4 with FPU/DSP @ 180 MHz | Cortex-M4 with FPU/DSP @ 180 MHz | Cortex-M4 with FPU/DSP @ 180 MHz | Cortex-M4 with FPU/DSP @ 180 MHz | Cortex-M4 with FPU/DSP @ 168 MHz (-7%) | Cortex-M4 with FPU/DSP @ 168 MHz (-7%) | Cortex-M4 with FPU/DSP @ 180 MHz |
| Flash | 512 KB | 2 MB (+300%) | 512 KB (same) | 2 MB (+300%) | 512 KB (same) | 1 MB (+95%) | 1 MB (+95%) |
| SRAM | 256 KB | 256 KB (same) | 256 KB (same) | 256 KB (same) | 192 KB (-25%) | 192 KB (-25%) | 192 KB (-25%) |
| LCD-TFT Controller | Yes (up to XGA) | No | Yes (up to XGA) | Yes (up to XGA) | No | No | No |
| Chrom-ART DMA2D | Yes | No | Yes | Yes | No | No | No |
| Crypto/Hash Accelerator | No | Yes (AES, SHA, 3DES) | No | No | No | No | Yes (AES, SHA, 3DES) |
| Temperature Range | -40 °C to +85 °C (industrial) | -40 °C to +85 °C | -40 °C to +105 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| USB OTG HS PHY | Yes (on-chip HS PHY) | Yes (on-chip HS PHY) | Yes (on-chip HS PHY) | Yes (on-chip HS PHY) | Yes (on-chip HS PHY) | Yes (on-chip HS PHY) | Yes (on-chip HS PHY) |
Key Differentiators
- Integrated LCD-TFT controller up to XGA — eliminates external GPU/bridge IC (vs STM32F407IEH6)
- Higher 180 MHz CPU clock vs 168 MHz on F407 (vs STM32F407IEH6)
- Symmetric 256 KB SRAM vs 192 KB on F407 (vs STM32F407IEH6)
Design Notes
The STM32F429IEH6 integrates an on-chip voltage regulator that derives 1.2 V Vcore from VDD (1.8-3.6 V). Place a 4.7 µF low-ESR ceramic bulk capacitor plus a 100 nF decoupling capacitor adjacent to each VDD/VSS pin pair. The VCAP pins (typically 1, 2, and 3 on this BGA) require a 2.2 µF capacitor per pin. A poorly decoupled VCAP causes core-rail droop, which manifests as spurious resets or HardFault NMI events — particularly under USB OTG HS enumeration current spikes. STMicroelectronics reference design SCH-STM32F429-EVAL follows these decoupling values and is recommended for new layouts.
Estimated: at 180 MHz with 3.3 V supply, the STM32F429IEH6 draws roughly 60 mA active (≈200 mW total power including I/O). Most of this is in the core and ART Accelerator, dissipated across the BGA's bottom-mounted thermal pad. The 176-ball UFBGA has a typical θJA of 28 °C/W (per ST datasheet), so the junction rises roughly 6 °C above ambient at full active load — well within industrial-grade limits. The real thermal challenge is during USB OTG HS enumeration, where transient current spikes can hit 200-300 mA; ensure the USB VBUS upstream regulator handles this without collapse.
The 176-ball UFBGA at 0.65 mm pitch requires 4-6 layer PCB routing with laser-drilled microvias for fanout. Match SDRAM/SDRAM-clock trace lengths to within ±50 mil per ST application note AN4861 — mismatched lengths cause setup/hold violations on the FSMC bus at 180 MHz. The USB OTG HS DP/DM pair must be 90-ohm differential with no stubs, length-matched to within 150 mil. Place the 12 MHz HSE crystal within 5 mm of OSC_IN/OSC_OUT, with a grounded guard ring, to avoid oscillator start-up failures. STMicroelectronics reference design PCB-STM32F429I-DISC1 is a verified layout.
Common pitfalls on the STM32F429IEH6: (1) Forgetting to set the BOOT0 pin correctly — pulling BOOT0 high on reset causes the bootloader to run from system memory instead of user Flash. (2) Configuring the SDRAM without matching the CAS latency to the FSMC timing — produces silent data corruption. (3) Not enabling the ART Accelerator prefetch buffer in RCC->FLASH.ACR — leads to 5-wait-state Flash access instead of 0-wait, halving effective performance. (4) Using PA9/PA10 (USART1) as GPIO when the debugger relies on them — breaks SWD debugging. (5) Leaving unused analog pins floating instead of setting them as analog inputs in GPIO MODER.
Compliance Information
RoHS compliant per ST product page; MSL-3 floor-life 168 hours per JEDEC J-STD-020. Not AEC-Q100 qualified — choose STM32F429NIH6 variant for extended temperature, but AEC-Q100 Grade 0 parts require a separate automotive-qualified MPN (e.g. STM32F429NIH6TR or STM32F429AIH6).
