Overview
The STM32F429ZIY6JTR is a high-performance microcontroller from STMicroelectronics, part of the STM32F427xx and STM32F429xx series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. This core includes a floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and data types, along with a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
The device features extensive embedded memories, including up to 2 MB of flash memory organized into two banks allowing read-while-write, up to 256+4 KB of SRAM, and 512 bytes of OTP memory. It also includes a flexible external memory controller supporting various memory types such as SRAM, PSRAM, SDRAM, and more.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 180 MHz |
| Flash Memory | Up to 2 MB, dual-bank, read-while-write |
| SRAM | Up to 256+4 KB, including 64 KB of CCM (core coupled memory) |
| OTP Memory | 512 bytes |
| ADCs | 3×12-bit, 2.4 MSPS, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 2×12-bit |
| Timers | Up to 17 timers: 12×16-bit and 2×32-bit |
| Communication Interfaces | Up to 20 interfaces, including 4×USARTs/4×UARTs, 6×SPI, 3×I²C, 2×CAN, 100Mbps Ethernet |
| I/Os | Up to 168 I/O ports with interrupt capability, up to 164 fast I/Os up to 90 MHz |
| Power Modes | Sleep, Stop, and Standby modes, VBAT supply for RTC |
| Operating Temperature | -40°C to 85°C or -40°C to 105°C depending on the package |
Key Features
- High-Performance Core: Arm® Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from flash memory.
- Memory and Storage: Up to 2 MB of flash memory, up to 256+4 KB of SRAM, and 512 bytes of OTP memory.
- Analog and Digital Peripherals: 3×12-bit ADCs, 2×12-bit DACs, general-purpose DMA, and multiple timers.
- Communication Interfaces: USB OTG HS/FS, 100Mbps Ethernet, up to 4 USARTs/UARTs, up to 6 SPIs, and up to 3 I²C interfaces.
- Graphics and Display: LCD-TFT controller with dual-layer support, Chrom-ART Accelerator™ for enhanced graphic content creation.
- Power Efficiency: Sleep, Stop, and Standby modes, VBAT supply for RTC, and low power consumption in run and stop modes.
- Security and Debugging: Memory protection unit (MPU), debug mode, SWD & JTAG interfaces, and Cortex®-M4 Trace Macrocell™.
Applications
- Industrial Automation: Motor control, power management, and industrial communication protocols.
- Medical Devices: Portable medical devices, diagnostic equipment, and medical imaging systems.
- Consumer Electronics: Smart home devices, audio and video equipment, and gaming consoles.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- IoT and Wearables: Internet of Things (IoT) devices, wearables, and smart sensors.
Q & A
- What is the core architecture of the STM32F429ZIY6JTR?
The STM32F429ZIY6JTR is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum frequency of the STM32F429ZIY6JTR?
The maximum frequency is up to 180 MHz.
- How much flash memory does the STM32F429ZIY6JTR have?
Up to 2 MB of flash memory, organized into two banks allowing read-while-write.
- What types of communication interfaces are available on the STM32F429ZIY6JTR?
USB OTG HS/FS, 100Mbps Ethernet, up to 4 USARTs/UARTs, up to 6 SPIs, and up to 3 I²C interfaces.
- Does the STM32F429ZIY6JTR support graphics and display capabilities?
Yes, it features an LCD-TFT controller with dual-layer support and the Chrom-ART Accelerator™ for enhanced graphic content creation.
- What are the power modes available on the STM32F429ZIY6JTR?
Sleep, Stop, and Standby modes, with VBAT supply for RTC.
- How many timers does the STM32F429ZIY6JTR have?
Up to 17 timers: 12×16-bit and 2×32-bit.
- What is the purpose of the ART Accelerator in the STM32F429ZIY6JTR?
The ART Accelerator allows 0-wait state execution from flash memory, enhancing performance.
- Does the STM32F429ZIY6JTR support cryptographic functions?
No, but the STM32F439 series, which is part of the same family, integrates a crypto/hash processor.
- What are the typical operating temperatures for the STM32F429ZIY6JTR?
-40°C to 85°C or -40°C to 105°C depending on the package.
