Overview
The STM32F437IIT7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F437xx and STM32F439xx family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. The Cortex-M4 core includes a Floating Point Unit (FPU) for single-precision data processing, a full set of DSP instructions, and a Memory Protection Unit (MPU) for enhanced application security.
This microcontroller features high-speed embedded memories, including up to 2 Mbytes of Flash memory and up to 256 Kbytes of SRAM, along with extensive I/Os and peripherals. It is designed for applications requiring high performance, advanced connectivity, and robust security features.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, ART Accelerator™, up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), DSP instructions |
| Memories | Up to 2 MB Flash memory, up to 256+4 KB SRAM, 512 bytes OTP memory, up to 4 KB backup SRAM |
| External Memory | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact 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 timers, two 32-bit timers |
| Communication Interfaces | Up to 4 USARTs/UARTs, up to 6 SPIs, 2 CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| Operating Voltage | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | -40°C to 105°C |
| Package | LQFP 176 24x24x1.4 mm |
Key Features
- Includes ST state-of-the-art patented technology.
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D).
- LCD-TFT controller with fully programmable resolution (up to 4096 pixels width, up to 2048 lines height, and pixel clock up to 83 MHz).
- True random number generator (RNG) and cryptographic acceleration cell.
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support.
- Up to 168 I/O ports with interrupt capability, up to 164 fast I/Os up to 90 MHz, and up to 166 5 V-tolerant I/Os.
- Advanced connectivity: USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC with dedicated DMA.
- Low power modes: Sleep, Stop, and Standby modes.
- VBAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM.
Applications
The STM32F437IIT7 is suitable for a wide range of applications that require high performance, advanced connectivity, and robust security features. These include:
- Industrial automation and control systems.
- Medical devices requiring precise data processing and secure communication.
- Automotive systems, especially those needing advanced motor control and communication interfaces.
- Consumer electronics, such as high-end smart home devices and multimedia systems.
- IoT devices that require secure data transmission and processing.
Q & A
- What is the core architecture of the STM32F437IIT7?
The STM32F437IIT7 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU, ART Accelerator™, 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 and SRAM memory does the STM32F437IIT7 have?
It has up to 2 MB of Flash memory and up to 256+4 KB of SRAM.
- What types of ADCs and DACs are available on this microcontroller?
It features three 12-bit ADCs and two 12-bit D/A converters.
- What communication interfaces are supported by the STM32F437IIT7?
It supports up to 4 USARTs/UARTs, up to 6 SPIs, 2 CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG, and 10/100 Ethernet MAC.
- What is the operating voltage range of the STM32F437IIT7?
The operating voltage range is from 1.7 V to 3.6 V.
- What are the low power modes available on this microcontroller?
The microcontroller supports Sleep, Stop, and Standby modes.
- Does the STM32F437IIT7 have cryptographic acceleration?
Yes, it features a cryptographic acceleration cell for AES, Triple DES, HASH (MD5, SHA-1, SHA-2), and HMAC.
- What is the package type of the STM32F437IIT7?
The package type is LQFP 176 24x24x1.4 mm.
- What is the operating temperature range of the STM32F437IIT7?
The operating temperature range is from -40°C to 105°C.
