Overview
The STM32F722IEK6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F722xx and STM32F723xx series. It is based on the Arm® Cortex®-M7 32-bit RISC core, operating at up to 216 MHz frequency. This core features a single floating point unit (SFPU) and supports 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 incorporates high-speed embedded memories, including up to 512 Kbytes of Flash memory, 256 Kbytes of SRAM, and various other memory configurations. It also includes a wide range of peripherals and communication interfaces, making it suitable for complex and demanding applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M7 CPU with FPU, ART Accelerator, and L1-cache (8 Kbytes data cache and 8 Kbytes instruction cache) |
| Frequency | Up to 216 MHz |
| Flash Memory | Up to 512 Kbytes with protection mechanisms |
| SRAM | 256 Kbytes (including 64 Kbytes of data TCM RAM and 16 Kbytes of instruction TCM RAM) + 4 Kbytes of backup SRAM |
| OTP Memory | 528 bytes |
| External Memory Controller | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, 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 | Thirteen 16-bit timers (including two PWM timers for motor control) and two 32-bit timers |
| Communication Interfaces | Up to three I2C interfaces, four USARTs/UARTs, five SPIs, two SAI serial audio interfaces, one CAN 2.0B, two SDMMC interfaces, USB 2.0 full-speed and high-speed OTG controller |
| Operating Voltage | 1.7 V to 3.6 V |
| Operating Temperature | -40°C to +105°C |
| Package | UFBGA 176+25 10x10x0.6 P 0.65 mm |
Key Features
- High-performance Arm® Cortex®-M7 core with FPU, ART Accelerator, and L1-cache for efficient execution from embedded Flash and external memories.
- Advanced DSP instructions and memory protection unit (MPU) for enhanced security.
- High-speed embedded memories including Flash, SRAM, and backup SRAM.
- Flexible external memory controller supporting various memory types.
- Multiple ADCs, DACs, and timers for diverse application needs.
- Comprehensive set of communication interfaces including I2C, USART, SPI, SAI, CAN, and USB OTG.
- Low-power modes (Sleep, Stop, and Standby) for energy-efficient operation.
- True random number generator (RNG) and CRC calculation unit.
- RTC with subsecond accuracy and hardware calendar.
- 96-bit unique ID and advanced peripherals like SDMMC and Quad-SPI interfaces.
Applications
The STM32F722IEK6 is suitable for a wide range of applications due to its high performance, rich set of peripherals, and advanced features. Some of the key application areas include:
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- Aerospace and defense applications where security and performance are critical.
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment.
- Consumer electronics, such as smart home devices and IoT applications.
- Motor control and power management systems.
Q & A
- What is the core architecture of the STM32F722IEK6?
The STM32F722IEK6 is based on the Arm® Cortex®-M7 32-bit RISC core.
- What is the maximum operating frequency of the STM32F722IEK6?
The maximum operating frequency is up to 216 MHz.
- How much Flash memory does the STM32F722IEK6 have?
The device has up to 512 Kbytes of Flash memory.
- What types of communication interfaces are available on the STM32F722IEK6?
The device features multiple communication interfaces including I2C, USART, SPI, SAI, CAN, and USB OTG.
- What are the operating voltage and temperature ranges of the STM32F722IEK6?
The operating voltage range is 1.7 V to 3.6 V, and the operating temperature range is -40°C to +105°C.
- Does the STM32F722IEK6 support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for energy-efficient operation.
- What is the purpose of the ART Accelerator in the STM32F722IEK6?
The ART Accelerator allows for 0-wait state execution from embedded Flash and external memories.
- How many ADCs and DACs are available on the STM32F722IEK6?
The device has three 12-bit ADCs and two 12-bit DACs.
- What is the role of the MPU in the STM32F722IEK6?
The Memory Protection Unit (MPU) enhances application security by controlling access to memory regions.
- Does the STM32F722IEK6 have a real-time clock (RTC)?
Yes, it features an RTC with subsecond accuracy and a hardware calendar.
- What is the package type of the STM32F722IEK6?
The device is available in a UFBGA 176+25 10x10x0.6 P 0.65 mm package.
