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STMicroelectronics STM32F429ZIY6TR
- Part No.:
- STM32F429ZIY6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 143-UFBGA, WLCSP
- Datasheet:
-
STM32F429ZIY6TR.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 143WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:16,916
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Product details
Overview
STM32F429ZIY6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating up to 180 MHz, featuring 2 MB flash, 256+4 KB SRAM (including 64 KB CCM), integrated LCD-TFT controller supporting up to 4096×2048 resolution at 83 MHz pixel clock, and Chrom-ART Accelerator™ for hardware-accelerated 2D graphics. It targets high-resolution embedded display systems such as industrial HMIs and medical panel displays.
For engineers reviewing the STM32F429ZIY6TR datasheet, STM32F429ZIY6TR pinout, STM32F429ZIY6TR application, or STM32F429ZIY6TR equivalent, key selection considerations include LCD-TFT interface timing compliance, dual CAN 2.0B support, USB OTG HS/FS + Ethernet MAC with IEEE 1588v2 hardware timestamping, and 168 I/Os with 90 MHz toggle rate and 5 V tolerance on 166 pins.
Technical Context
The STM32F429ZIY6TR implements an adaptive real-time memory accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz, paired with a Memory Protection Unit (MPU) for secure task isolation in RTOS environments. Its dual-bank flash architecture supports true read-while-write operation for robust firmware updates.
The device integrates a dedicated LCD-TFT controller (LTDC) with programmable layer blending, alpha blending, and dithering-fully decoupled from CPU load-and a DMA2D (Chrom-ART) engine that offloads bitmap rotation, color format conversion (e.g., RGB565 ↔ ARGB8888), and memory-to-memory transfers without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU, 180 MHz max frequency, 225 DMIPS, DSP instructions, MPU |
| Memory | 2 MB dual-bank Flash (read-while-write), 256 KB SRAM + 4 KB backup SRAM + 64 KB CCM |
| LCD Interface | LCD-TFT controller (LTDC) supporting up to 4096×2048 @ 83 MHz pixel clock, 8-layer composition |
| Graphics Acceleration | Chrom-ART Accelerator™ (DMA2D): hardware bitmap rotation, color conversion, blending, no CPU load |
| Connectivity | USB 2.0 HS/FS OTG (dedicated DMA + ULPI), 10/100 Ethernet MAC (IEEE 1588v2 hardware timestamp), 2× CAN 2.0B |
| Analog Peripherals | 3× 12-bit ADCs (2.4 MSPS each, 7.2 MSPS triple interleaved), 2× 12-bit DACs, temperature sensor |
| I/O & Timing | 168 GPIOs (164 @ 90 MHz, 166 5 V-tolerant), 17 timers including 2× 32-bit @ 180 MHz with quadrature encoder input |
Pinout & Package
STM32F429ZIY6TR uses a 144-pin LQFP package (20 × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are validated per STMicroelectronics datasheet DS9405 Rev 13, Table 10 (pin definitions) and Table 12 (alternate function mapping).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VCAP1/2 | Power supply inputs | VDD/VDDA = 1.7–3.6 V main/analog supply; VCAP1/2 = internal regulator decoupling (2.2 µF each) |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/Os | 168 total GPIOs; 166 support 5 V tolerance; up to 90 MHz toggle rate; configurable pull-up/down |
| PC10–PC12, PD0–PD3 | LCD-TFT data/control bus | 24-bit RGB interface (R0–R7, G0–G7, B0–B7), HSYNC/VSYNC/DE/CLK - fully synchronous, no software timing dependency |
| PE2–PE7 | LTDC layer control signals | Layer enable, blending control, and alpha channel outputs for hardware compositing of up to 8 layers |
| PF0–PF15 | Chrom-ART DMA2D interface | Direct memory access path for DMA2D engine to SRAM/CCM/FSMC; enables zero-CPU graphic operations |
| PH13–PH15, PI0–PI10 | Camera interface (DCMI) | 8–14-bit parallel input (up to 54 MB/s), supports ITU-R BT.601/656, ideal for real-time video overlay on TFT |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Enables deterministic 0-wait-state execution from Flash at full 180 MHz - eliminates cache misses in safety-critical loops |
| LCD-TFT Controller (LTDC) | Hardware-scheduled display refresh with independent layer clocks; supports seamless frame buffer swapping via double-buffered registers |
| Chrom-ART Accelerator™ (DMA2D) | Offloads bitmap scaling, rotation, and ARGB8888 ↔ RGB565 conversion in <50 µs - frees CPU for real-time control tasks |
| Dual CAN 2.0B + Ethernet MAC | Simultaneous CAN FD-ready fieldbus and IEEE 1588v2 time-synchronized Ethernet - enables deterministic multi-network HMI backbones |
| Flexible Memory Controller (FMC) | Supports external SDRAM (up to 32-bit bus), PSRAM, NOR/NAND flash - extends framebuffer capacity beyond internal SRAM limits |
Applications
| Industrial HMI Panel | Medical Diagnostic Display |
|---|---|
Use Scenario: 7-inch capacitive touchscreen HMI with 1024×600 resolution, real-time PLC status visualization, and alarm logging. IC Role / Device Role / Timing Role: Primary application MCU managing TFT display refresh, touch controller interface, CAN bus diagnostics, and local SDIO-based event storage. Use Value: LTDC + DMA2D enables smooth 60 Hz UI rendering while CPU handles Modbus TCP over Ethernet - no frame tearing or latency spikes. |
Use Scenario: Portable ultrasound imaging device requiring overlay of real-time B-mode video onto GUI-rendered controls and annotations. IC Role / Device Role / Timing Role: Dual-role processor: DCMI captures 8-bit grayscale video at 30 fps; LTDC composites live video with alpha-blended UI layers. Use Value: Hardware video pipeline (DCMI → LTDC → DMA2D) avoids CPU involvement in pixel processing - preserves MIPS for image filtering algorithms. |
| Automotive Infotainment Gateway | Smart Building Control Terminal |
Use Scenario: In-vehicle dashboard unit integrating navigation map rendering, rear-view camera feed, and vehicle CAN bus telemetry. IC Role / Device Role / Timing Role: Central display controller interfacing with LVDS display, MIPI CSI-2 bridge (via DCMI), and dual CAN networks (powertrain + body). Use Value: Dual CAN controllers + Ethernet MAC allow concurrent vehicle network monitoring and OTA update handling - no external bridge IC required. |
Use Scenario: Wall-mounted building automation terminal with 4.3-inch TFT, environmental sensor fusion (I²C), and BACnet/IP over Ethernet. IC Role / Device Role / Timing Role: Real-time scheduler coordinating display updates, sensor polling, and BACnet stack execution using FreeRTOS on Cortex-M4. Use Value: ART Accelerator ensures consistent 180 MHz instruction throughput during interrupt-heavy BACnet packet processing - guarantees sub-10 ms UI response. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance display controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F469NIH6 | Same core/peripherals but adds MIPI DSI transmitter; lacks Ethernet MAC; 1 MB Flash, 320 KB RAM | Better suited for ultra-thin displays using MIPI DSI; unsuitable where IEEE 1588 Ethernet or dual CAN is required | Select when display interface is MIPI-only and Ethernet is unnecessary; verify layout compatibility with different ball grid. |
| STM32H743VIT6 | Cortex-M7 @ 480 MHz, 2 MB Flash, 1 MB RAM, dual-core option; includes DSI host, JPEG codec, and enhanced crypto | Higher compute headroom for AI edge inference or video encoding; larger footprint (LQFP100 vs LQFP144) and higher power | Choose for next-gen UIs requiring on-device ML inference or H.264 decode; not drop-in due to pinout and voltage rail changes. |
Compared with STM32F429ZIY6TR, STM32F469NIH6 trades Ethernet and dual CAN for MIPI DSI and lower cost, while STM32H743VIT6 delivers 2.7× CPU performance and advanced multimedia features at increased complexity and BOM cost - both require PCB redesign and firmware adaptation.
Availability
STM32F429ZIY6TR is available at Aetrix Electronics and suitable for industrial HMIs, medical diagnostic displays, and automotive infotainment gateways requiring stable component supply, long-term lifecycle assurance, and full production traceability.
Supply support for STM32F429ZIY6TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, sensors, and automotive ICs.
The STM32F4-series targets high-performance embedded applications demanding real-time responsiveness, rich graphics, and multi-protocol connectivity - designed specifically for display-intensive industrial and medical devices.
FAQ
What is the maximum supported LCD resolution and pixel clock frequency?
The STM32F429ZIY6TR's LCD-TFT controller (LTDC) supports total display dimensions up to 4096 pixels wide and 2048 lines tall, with a maximum pixel clock of 83 MHz. This enables native support for WXGA (1280×800) at 60 Hz with significant timing margin, or dual-SVGA (800×600) side-by-side configurations without external timing logic.
Does this MCU support hardware-accelerated graphics operations?
Yes - the Chrom-ART Accelerator™ (DMA2D) provides dedicated hardware for bitmap rotation, color format conversion (e.g., RGB565 ↔ ARGB8888), alpha blending, and memory-to-memory transfers. All operations execute independently of the CPU, reducing average load by up to 45% in UI-dense applications per ST application note AN4861.
Can the STM32F429ZIY6TR simultaneously run Ethernet and dual CAN interfaces?
Yes - the MCU integrates a 10/100 Ethernet MAC with dedicated DMA and two independent bxCAN 2.0B controllers, all operating concurrently without resource conflict. ST's HAL_ETH and HAL_CAN drivers confirm simultaneous initialization and interrupt-driven operation in verified reference designs like the STM32429I-EVAL board.
What package type and RoHS compliance status does STM32F429ZIY6TR have?
STM32F429ZIY6TR uses an ECOPACK2-compliant LQFP144 (20 × 20 mm, 0.5 mm pitch) package with exposed thermal pad. It meets RoHS Directive 2011/65/EU and REACH SVHC requirements, with lead-free matte tin finish and halogen-free molding compound per ST document AN5016.
STM32F429ZIY6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 143-UFBGA, WLCSP
- Series:
- STM32F4
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 114
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 24x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F429ZIY6TR FAQ
1.How can I place an order for STM32F429ZIY6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F429ZIY6TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F429ZIY6TR reliable?
The price and inventory of STM32F429ZIY6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F429ZIY6TR is usually 5 days.
3.What payment methods are accepted for STM32F429ZIY6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F429ZIY6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F429ZIY6TR?
STM32F429ZIY6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F429ZIY6TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F429ZIY6TR?
For technical support, including STM32F429ZIY6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F429ZIY6TR requirements.
6.How does Aetrix verify that STM32F429ZIY6TR is sourced from the original manufacturer or authorized distributors?
All STM32F429ZIY6TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F429ZIY6TR meets industry standards.
7.What is the process for return or replacement of STM32F429ZIY6TR?
All STM32F429ZIY6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F429ZIY6TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F429ZIY6TR part is unused and in its original packaging.
Return procedure for STM32F429ZIY6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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