Overview
The STM32F407IEH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F405xx and STM32F407xx family. It is based on the Arm® 32-bit Cortex®-M4 core, which operates at a frequency of up to 168 MHz. The Cortex®-M4 core includes a floating-point unit (FPU) and supports all Arm single-precision data-processing instructions and data types. It also features a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
This microcontroller incorporates high-speed embedded memories, including up to 512 Kbytes of Flash memory and up to 192 Kbytes of SRAM, along with an extensive range of enhanced I/Os and peripherals. It is designed for low-power operation with various power-saving modes and advanced communication interfaces.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator), frequency up to 168 MHz, memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | Up to 512 Kbytes of Flash memory, up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM, 512 bytes of OTP memory |
| Supply Voltage | 1.8 V to 3.6 V application supply and I/Os |
| Timers | Up to twelve 16-bit and two 32-bit timers up to 168 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input |
| ADC/DAC | Three 12-bit ADCs (up to 24 channels and 7.2 MSPS in triple interleaved mode), two 12-bit DACs |
| Communication Interfaces | Up to 3 × I2C interfaces, up to 4 USARTs/2 UARTs, up to 3 SPIs, 2 × CAN interfaces (2.0B Active), SDIO interface, USB 2.0 full-speed/device/host/OTG controller, 10/100 Ethernet MAC |
| Package | UFBGA 176+25 10x10x0.6 P 0.65 mm, LQFP 176 24x24x1.4 mm |
| Operating Temperature | Industrial grade, specific temperature range varies by package |
Key Features
- High-performance Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions
- Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory
- High-speed embedded memories: up to 512 Kbytes of Flash memory and up to 192 Kbytes of SRAM
- Low-power operation: Sleep, Stop, and Standby modes, VBAT supply for RTC
- Advanced communication interfaces: USB 2.0, Ethernet, CAN, SPI, I2C, USART/UART
- Multiple timers: up to twelve 16-bit and two 32-bit timers
- True random number generator, CRC calculation unit, and 96-bit unique ID
- RTC with subsecond accuracy and hardware calendar
- Up to 140 I/O ports with interrupt capability, up to 136 fast I/Os up to 84 MHz
Applications
- Industrial automation and control systems
- Medical devices requiring high performance and low power consumption
- Aerospace and defense applications due to its robust and reliable design
- Automotive systems, including advanced motor control and communication interfaces
- Consumer electronics, such as smart home devices and IoT applications
Q & A
- What is the core architecture of the STM32F407IEH6?
The STM32F407IEH6 is based on the Arm® 32-bit Cortex®-M4 core with a floating-point unit (FPU) and DSP instructions.
- What is the maximum frequency of the STM32F407IEH6?
The maximum frequency is up to 168 MHz.
- How much Flash and SRAM memory does the STM32F407IEH6 have?
It has up to 512 Kbytes of Flash memory and up to 192 Kbytes of SRAM.
- What are the power-saving modes available on the STM32F407IEH6?
The available power-saving modes include Sleep, Stop, and Standby modes, along with a VBAT supply for RTC.
- What communication interfaces does the STM32F407IEH6 support?
It supports USB 2.0, Ethernet, CAN, SPI, I2C, and USART/UART interfaces.
- How many timers does the STM32F407IEH6 have?
It has up to twelve 16-bit and two 32-bit timers.
- Does the STM32F407IEH6 have a true random number generator?
Yes, it includes a true random number generator.
- What is the operating voltage range of the STM32F407IEH6?
The operating voltage range is from 1.8 V to 3.6 V.
- What packages are available for the STM32F407IEH6?
Available packages include UFBGA 176+25 and LQFP 176.
- Is the STM32F407IEH6 RoHS compliant?
Yes, it is RoHS compliant and follows the Ecopack2 standard.
