Overview
The STM32F469IIH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F469xx family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. The core features a floating-point unit (FPU) single precision, a full set of DSP instructions, and a memory protection unit (MPU) to enhance application security. This microcontroller is designed for applications requiring high computational performance, advanced graphics capabilities, and extensive peripheral support.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator™), up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Flash Memory | Up to 2 MB, organized into two banks allowing read-while-write |
| SRAM | Up to 384 Kbytes + 4 Kbytes of backup SRAM, including 64 Kbytes of CCM (core coupled memory) data RAM |
| OTP Memory | 512 bytes |
| External Memory Controller | Flexible, up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR, SDRAM, flash NOR/NAND memories |
| ADCs | Three 12-bit ADCs, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | Two 12-bit D/A converters |
| Timers | Up to twelve 16-bit and two 32-bit timers, each with up to four IC/OC/PWM or pulse counter and quadrature (incremental) encoder input |
| Communication Interfaces | USB 2.0 full-speed/device/host/OTG, USB 2.0 high-speed/device/host/OTG, 10/100 Ethernet MAC, up to six SPIs, up to four USARTs and four UARTs, two CAN (2.0B Active), SDIO interface |
| Graphics and Display | Chrom-ART Accelerator™ (DMA2D), LCD parallel interface, LCD TFT controller supporting up to XGA resolution, MIPI® DSI host controller supporting up to 720p 30 Hz resolution |
| Power and Clock Management | 1.7 V to 3.6 V application supply and I/Os, POR, PDR, PVD, and BOR, 4-to-26 MHz crystal oscillator, internal 16 MHz factory-trimmed RC (1% accuracy), 32 kHz oscillator for RTC with calibration |
| Package | UFBGA 176+25 10x10x0.6 P 0.65 mm |
| Operating Temperature | -40°C to 85°C |
Key Features
- Includes ST state-of-the-art patented technology
- Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator™), frequency up to 180 MHz, MPU, and DSP instructions
- High-speed embedded memories: up to 2 MB of flash memory, up to 384 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM
- Flexible external memory controller with up to 32-bit data bus
- Chrom-ART Accelerator™ (DMA2D) for enhanced graphical user interface
- LCD parallel interface, LCD TFT controller, and MIPI® DSI host controller
- Low power modes: Sleep, Stop, and Standby modes
- VBAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM
- Three 12-bit ADCs and two 12-bit D/A converters
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
- Up to 17 timers, including two 32-bit timers and two watchdogs
- Advanced communication interfaces: USB 2.0, Ethernet, SPI, USART, UART, CAN, and SDIO
- True random number generator, CRC calculation unit, and RTC with subsecond accuracy
- 96-bit unique ID
Applications
The STM32F469IIH6 microcontroller is suitable for a wide range of applications that require high computational performance, advanced graphics, and extensive peripheral support. These include:
- Industrial automation and control systems
- Medical devices requiring high precision and reliability
- Aerospace and defense applications
- Automotive systems, especially those requiring advanced graphics and communication interfaces
- Consumer electronics, such as smart home devices and high-end appliances
- IoT devices that need robust processing and multiple communication interfaces
Q & A
- What is the core architecture of the STM32F469IIH6?
The STM32F469IIH6 is based on the Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU) and DSP instructions.
- What is the maximum frequency of the CPU?
The CPU operates at a frequency of up to 180 MHz.
- How much flash memory does the STM32F469IIH6 have?
It has up to 2 MB of flash memory organized into two banks allowing read-while-write.
- What types of ADCs and DACs are available on this microcontroller?
It features three 12-bit ADCs and two 12-bit D/A converters.
- Does the STM32F469IIH6 support Ethernet and USB interfaces?
Yes, it supports 10/100 Ethernet MAC and USB 2.0 full-speed/device/host/OTG and high-speed/device/host/OTG interfaces.
- What is the purpose of the Chrom-ART Accelerator™?
The Chrom-ART Accelerator™ is a graphical hardware accelerator that enables enhanced graphical user interfaces with minimum CPU load.
- What are the low power modes available on this microcontroller?
The available low power modes include Sleep, Stop, and Standby modes.
- Does the STM32F469IIH6 have a true random number generator?
Yes, it includes a true random number generator (RNG).
- What is the operating temperature range of the STM32F469IIH6?
The operating temperature range is from -40°C to 85°C.
- What package type is the STM32F469IIH6 available in?
The STM32F469IIH6 is available in a UFBGA 176+25 10x10x0.6 P 0.65 mm package.
- Is the STM32F469IIH6 RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
