Overview
The STM32F437IIT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F437xx and STM32F439xx series. It is based on the Arm® 32-bit Cortex®-M4 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 high-speed embedded memories, including up to 2 Mbytes of Flash memory and up to 256 Kbytes of SRAM, along with an extensive range of enhanced I/Os and peripherals. It also includes advanced communication interfaces and cryptographic acceleration, making it suitable for a wide range of applications requiring high performance and security.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), up to 180 MHz |
| Memories | Up to 2 MB of Flash memory, up to 256+4 KB of SRAM, 512 bytes of OTP memory |
| External Memory | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories |
| Supply Voltage | 1.7 V to 3.6 V application supply and I/Os |
| Timers | Up to twelve 16-bit timers, two 32-bit timers |
| ADC/DAC | Three 12-bit ADCs, two 12-bit D/A converters |
| Communication Interfaces | Up to 4 USARTs/4 UARTs, up to 6 SPIs, 2 CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| Package | LQFP 176 24x24x1.4 mm |
| Operating Temperature | -40°C to 105°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 256+4 KB of SRAM.
- LCD-TFT controller with fully programmable resolution and Chrom-ART Accelerator™ for enhanced graphic content creation.
- Advanced communication interfaces: USB 2.0, 10/100 Ethernet MAC, up to 4 USARTs/4 UARTs, up to 6 SPIs, and 2 CAN (2.0B Active).
- Cryptographic acceleration: hardware acceleration for AES, Triple DES, HASH (MD5, SHA-1, SHA-2), and HMAC.
- True random number generator, CRC calculation unit, and RTC with subsecond accuracy.
- Low power modes: Sleep, Stop, and Standby.
- Up to 168 I/O ports with interrupt capability and up to 164 fast I/Os up to 90 MHz.
Applications
The STM32F437IIT6 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring high precision and security.
- Automotive systems, especially those needing advanced communication interfaces and cryptographic capabilities.
- Consumer electronics, such as smart home devices and multimedia systems.
- IoT devices that require high performance, low power consumption, and advanced connectivity options.
Q & A
- What is the core architecture of the STM32F437IIT6?
The STM32F437IIT6 is based on the Arm® 32-bit Cortex®-M4 core with a Floating Point Unit (FPU) and Adaptive real-time accelerator (ART Accelerator™).
- 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 device have?
The device has up to 2 MB of Flash memory and up to 256+4 KB of SRAM.
- What are the key communication interfaces available on this device?
The device features USB 2.0, 10/100 Ethernet MAC, up to 4 USARTs/4 UARTs, up to 6 SPIs, and 2 CAN (2.0B Active) interfaces.
- Does the device support cryptographic acceleration?
Yes, it supports hardware acceleration for AES, Triple DES, HASH (MD5, SHA-1, SHA-2), and HMAC.
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 105°C.
- What types of timers are available on the device?
The device includes up to twelve 16-bit timers and two 32-bit timers.
- Does the device have any power-saving modes?
Yes, it has Sleep, Stop, and Standby modes for low power consumption.
- How many I/O ports does the device have?
The device has up to 168 I/O ports with interrupt capability.
- What is the package type of the STM32F437IIT6?
The device is available in an LQFP 176 package.
