STM32F429ZGT6 - 180MHz Cortex-M4 MCU 1MB Flash | STMicroelectronics
MPN: STM32F429ZGT6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $19.5 | $19.50 |
| 10 | $17.2 | $172.00 |
| 100 | $14.85 | $1,485.00 |
| 500 | $12.4 | $6,200.00 |
| 1,000 | $10.95 | $10,950.00 |
STM32F429ZGT6 Overview
An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core featuring a single-precision floating-point unit (FPU), DSP extensions, and optional Memory Protection Unit (MPU). Within the broader taxonomy, the Cortex-M4 sits at the top of the Cortex-M family and is widely deployed in applications requiring deterministic real-time DSP alongside general-purpose control. The STM32F4 series belongs to STMicroelectronics' mainstream 32-bit MCU portfolio, bridging the gap between Cortex-M3 microcontrollers and Cortex-M7 high-end devices.
Key features of the STM32F429ZGT6 include an integrated LCD-TFT parallel interface (up to 8080/6800 modes), a Chrom-ART Accelerator for 2D graphics offload, USB 2.0 OTG full-speed and high-speed peripherals with on-chip PHYs, a 10/100 Ethernet MAC, three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, 17 timers, a true random number generator (TRNG), and up to 17 communication interfaces including CAN 2.0B, I2C, SPI, UART/USART, and SDMMC. The integrated Chrom-ART engine offloads rectangular fills, image rotation, and blending, freeing the CPU for application logic.
The device's 180 MHz Cortex-M4 core with FPU delivers approximately 225 DMIPS, enabling real-time DSP workloads such as FFT, FIR, and PID control. The ART Accelerator eliminates flash wait states by pre-fetching instructions into a dedicated cache, sustaining full core throughput even at peak 180 MHz operation, which is critical for graphics and signal-chain applications requiring deterministic latency.
Typical applications include industrial Human-Machine Interfaces (HMI) with TFT displays, motor control drives, point-of-sale terminals, smart appliances, building automation controllers, and embedded data-logging gateways that require both Ethernet connectivity and local graphical rendering without an external GPU.
When designing with this device, attention to decoupling and PCB layout is essential. At 180 MHz, supply noise can couple into sensitive analog peripherals; place 100 nF decoupling capacitors close to every VDD pin, and use a 4.7 uF bulk capacitor near the regulator output. The integrated LCD interface demands controlled-impedance routing on data lines for reliable operation above 10 MHz pixel clock rates.
This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not assembled in any single manufacturer datasheet document.
Drop-in alternatives for STM32F429ZGT6 — 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 STM32F429ZGT6 (same form factor and footprint) — differing in ADC, Package, Timers, Core, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F429ZIT6
✅ Drop-In✓ In Stock
$11.4 / Unit
View Datasheet →STM32F427ZGT6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F437ZGT6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F429ZGT6 Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions |
| Maximum Clock Frequency | 180 MHz |
| Performance | 225 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 256 KB (system) + 4 KB (backup) |
| Supply Voltage | 1.8 V to 3.6 V (typical 2.5 V / 3.3 V) |
| Package | 144-LQFP (20 x 20 mm) |
| Communication Interfaces | Up to 17 (USB OTG FS/HS, Ethernet, CAN, I2C, SPI, UART/USART, SDMMC) |
| ADC | 3 x 12-bit (2.4 MSPS) |
| DAC | 2 x 12-bit |
| Timers | 17 |
| LCD-TFT Interface | Parallel (8080/6800) with Chrom-ART Accelerator |
| Operating Temperature | -40 C to +85 C |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
STM32F429ZGT6 144-lqfp (20 x 20 mm) Pin Configuration Guide
Pin configuration for STM32F429ZGT6 (144-lqfp (20 x 20 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 STM32F429ZGT6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32F429ZGT6 is suitable for 7 applications: Industrial HMI with TFT Display, Motor Control and Variable-Frequency Drives, Smart Building Automation Controllers, Point-of-Sale and Payment Terminals, Embedded Data-Logging Gateways, Medical Monitoring Devices (Non-Critical Care), Smart Appliance and Home Electronics HMI.
Industrial HMI with TFT Display
The STM32F429ZGT6's integrated LCD-TFT parallel interface and Chrom-ART accelerator are purpose-built for industrial Human-Machine Interface panels. The Chrom-ART engine offloads rectangular fills, image rotation, and alpha blending from the CPU, sustaining 60 fps display refresh on 800x480 panels while the Cortex-M4 core runs application logic. The device's 1 MB internal Flash and 256 KB SRAM accommodate LVGL graphics stacks and application firmware without external memory, while 17 timers and 17 communication interfaces support touch sensing, keypad scanning, and industrial fieldbus connectivity in a single chip.
Recommended
Motor Control and Variable-Frequency Drives
The STM32F429ZGT6's 180 MHz Cortex-M4 with single-precision FPU and DSP instructions executes field-oriented control (FOC), space-vector PWM, and PI loops for multi-axis motor drives within deterministic microsecond budgets. Three 12-bit ADCs at 2.4 MSPS sample phase currents simultaneously with hardware triggers tied to timer events, eliminating software jitter. The 17 timers include advanced-control timers dedicated to complementary PWM generation with programmable dead-time insertion, suitable for three-phase inverter stages up to several kW. This combination enables field-oriented control of PMSM, BLDC, and induction motors in industrial servo and appliance drives.
Recommended
Smart Building Automation Controllers
The STM32F429ZGT6 fits building-automation gateways requiring Ethernet connectivity alongside local control loops. The integrated 10/100 Ethernet MAC implements BACnet/IP, Modbus TCP, or proprietary SCADA protocols, while the USB OTG host supports Wi-Fi or BLE radio dongles for wireless sensor networks. The RTC with backup SRAM retains scheduling state across power cycles, and the Cortex-M4F core runs HVAC control algorithms at 180 MHz while leaving headroom for future feature expansion. Up to 17 communication interfaces (UART, SPI, I2C, CAN) support HVAC peripherals, modulating actuators, and sensor nodes on a single MCU.
Recommended
Point-of-Sale and Payment Terminals
The STM32F429ZGT6's 1 MB Flash and 256 KB SRAM accommodate encrypted firmware, payment-protocol stacks (PCI PTS), and a TFT-driven merchant UI from a single device. The USB OTG full-speed and high-speed peripherals handle card readers, smart-card interfaces, and printer peripherals concurrently. The integrated Chrom-ART accelerator drives the merchant-facing color TFT, while the Cortex-M4F executes transaction cryptography and EMV kernel routines within hard-real-time deadlines demanded by payment-terminal certification. RTC backup SRAM retains transaction logs and encryption keys during power-down scenarios for audit compliance.
Recommended
Embedded Data-Logging Gateways
The STM32F429ZGT6's combination of 1 MB Flash for local store-and-forward buffers, 10/100 Ethernet for upstream connectivity, USB OTG host for external storage media, and SDMMC for SD-card logging makes it ideal for industrial data-acquisition gateways. Three 12-bit ADCs sample analog sensors at 2.4 MSPS aggregate, while DSP extensions on the Cortex-M4F compress and time-stamp samples. RTC backup SRAM persists the latest timestamp across power cycles, and the integrated TRNG seeds secure authentication of stored logs. The device acts as a bridge from legacy industrial sensors to modern Ethernet- and MQTT-based backhaul systems.
Recommended
Medical Monitoring Devices (Non-Critical Care)
The STM32F429ZGT6's Cortex-M4F with DSP instructions and 144-LQFP's peripheral depth suit portable medical monitors including pulse oximeters, ECG front-ends, and patient-side diagnostics displays. The TFT controller drives a color clinician interface while the CPU runs FFT, FIR filtering, and SpO2 extraction algorithms in real time. USB OTG FS enables tethering to a host PC or charging, while the RTC and backup SRAM preserve sample history. Note: medical applications should evaluate IEC 60601-1 compliance and select the STM32F429 with appropriate firmware validation rather than relying on this part number alone.
Recommended
Smart Appliance and Home Electronics HMI
The STM32F429ZGT6 drives smart-appliance human-machine interfaces including washing machines, ovens, induction cooktops, and connected thermostats. The LCD-TFT controller renders graphical icons and language-localized text without external display controllers, while the 180 MHz Cortex-M4F runs user-interface state machines, motor control loops, and Wi-Fi provisioning stacks concurrently. USB OTG full-speed handles firmware updates from USB sticks; the SDMMC interface supports SD-card data exchange for diagnostic logging; and the integrated RTC with backup SRAM preserves the clock during mains-brownout events typical in appliance environments.
Recommended
Recommended Products Summary
Engineering reference data for STM32F429ZGT6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F429ZIT6 | STM32F427ZGT6 | STM32F437ZGT6 |
|---|---|---|---|---|
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M4F @ 180 MHz | Cortex-M4F @ 180 MHz | Cortex-M4F @ 180 MHz | Cortex-M4F @ 180 MHz |
| Flash Memory | 1 MB | 2 MB (+100%) | 1 MB | 1 MB |
| SRAM | 256 KB + 4 KB backup | 256 KB + 4 KB backup | 256 KB + 4 KB backup | 256 KB + 4 KB backup |
| LCD-TFT Interface | Yes (LTDC + Chrom-ART) | Yes (LTDC + Chrom-ART) | No | No |
| Cryptographic Engine | No (basic TRNG only) | No (basic TRNG only) | No (basic TRNG only) | AES 128/192/256 + hash |
| Ethernet MAC | 10/100 MAC included | 10/100 MAC included | 10/100 MAC included | 10/100 MAC included |
| Lifecycle Status | Active | Active | Active | Active |
Key Differentiators
- Integrated LCD-TFT controller with Chrom-ART accelerator (vs STM32F427ZGT6)
- Same 144-LQFP footprint across F429/F427/F437 families (vs STM32F407ZGT6)
- Cryptographic acceleration option in same package (vs STM32F429ZIT6)
Design Notes
The STM32F429ZGT6 has multiple power domains: VDD/VDDA (digital/analog 1.8-3.6 V), VBAT (RTC/backup), and VDD_USB when USB is used. Place a 100 nF decoupling capacitor on every VDD pin and a 4.7 uF bulk capacitor near the regulator. Use a ferrite bead between VDD and VDDA to isolate analog noise. Estimated: a fully utilized 180 MHz configuration can draw 60-90 mA core plus peripheral current; budget the regulator to 200 mA minimum for headroom.
Route the 144-LQFP (20x20, 0.5 mm pitch) with 4-layer PCB. Maintain a continuous ground plane under the IC and use stitching vias near high-speed signals. The external SDRAM/SMC data/address bus (when used) should be impedance-matched; clocks should be routed with ground guard traces to suppress coupling. USB DP/DM traces require 90 ohm differential impedance and length-matching within 2 mm.
At 180 MHz the STM32F429ZGT6 dissipates up to approximately 250 mW core plus peripheral consumption - well within the 144-LQFP rating without explicit heatsinking. For designs that disable unused peripherals via RCC, dynamic power is reduced proportionally. Estimated: enabling all peripherals plus heavy GPIO toggling could push to 400 mW; the LQFP-144 thermal resistance is approximately 35-45 C/W junction-to-ambient on a standard 4-layer PCB.
Do not enable USB OTG high-speed without providing a 45.3 ohm series resistor to match USB cable impedance on DP/DM lines. The integrated LCD-TFT controller requires that pin speed and alternate-function mappings be configured before GPIO activation or the LCD panel won't initialize. Also, enable the backup SRAM write protection if using VBAT mode to prevent accidental data loss during brown-out events.
When using the external SDRAM interface (FMC), keep trace lengths matched within 5 mm and use series 33 ohm termination resistors on clock, data strobe, and clock-enable lines. The LTDC parallel interface with pixel clocks above 50 MHz requires matched routing with controlled impedance to avoid color-band artifacts on the TFT panel. Use a 4-layer stack-up with dedicated VCC plane under the IC to suppress EMI in industrial environments.
Compliance Information
RoHS and REACH compliant per ST product page and PartGenie distributor data. AEC-Q100 not applicable for this consumer/industrial grade part; automotive designs should consider STM32F429ZGT6V or AEC-Q100 qualified STM32 derivatives. MSL 3 moisture sensitivity level applies.
