STM32F722xx是基于高性能ARM Cortex-M7 32位RISC内核最高运行在216MHZ的单片机。Cortex-M7内核拥有支持ARM单精度数据处理指令和类型的单精度浮点处理单元，它还实现完整的DSP指令和内存保护单元，增强了应该程序的安全性。
下在是它的一些关键特性：
- Core: ARM® 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator™) and L1-cache: 8 Kbytes of data cache and 8 Kbytes of instruction cache, allowing 0-wait state execution from embedded Flash memory and external memories, frequency up to 216 MHz, MPU, 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1) and DSP instructions.
- Memories
- Up to 512 Kbytes of Flash memory with protection mechanisms (read and write protections, proprietary code readout protection (PCROP))
- 528 bytes of OTP memory
- SRAM: 256 Kbytes (including 64 Kbytes of data TCM RAM for critical real-time data) + 16 Kbytes of instruction TCM RAM (for critical real-time routines) + 4 Kbytes of backup SRAM (available in the lowest power modes)
- Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories
- Dual mode Quad-SPI
- Clock, reset and supply management
- 1.7 V to 3.6 V application supply and I/Os
- POR, PDR, PVD and BOR
- Dedicated USB power
- 4-to-26 MHz crystal oscillator
- Internal 16 MHz factory-trimmed RC (1% accuracy)
- 32 kHz oscillator for RTC with calibration
- Internal 32 kHz RC with calibration
- Low-power
- Sleep, Stop and Standby modes
- VBAT supply for RTC, 32×32 bit backup registers + 4 Kbytes of backup SRAM
- 3×12-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode
- 2×12-bit D/A converters
- Up to 18 timers: up to thirteen 16-bit (1x low- power 16-bit timer available in Stop mode) and two 32-bit timers, each with up to 4 IC/OC/PWMs or pulse counter and quadrature (incremental) encoder inputs. All 15 timers running up to 216 MHz. 2x watchdogs, SysTick timer
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
- Debug mode
- SWD & JTAG interfaces
- Cortex®-M7 Trace Macrocell™
- Up to 140 I/O ports with interrupt capability
- Up to 136 fast I/Os up to 108 MHz
- Up to 138 5 V-tolerant I/Os
- Up to 21 communication interfaces
- Up to 3× I2C interfaces (SMBus/PMBus)
- Up to 4 USARTs/4 UARTs (27 Mbit/s, ISO7816 interface, LIN, IrDA, modem control)
- Up to 5 SPIs (up to 50 Mbit/s), 3 with muxed simplex I2Ss for audio class accuracy via internal audio PLL or external clock
- 2 x SAIs (serial audio interface)
- 1 x CAN (2.0B active)
- 2 x SDMMCs
- Advanced connectivity
- USB 2.0 full-speed device/host/OTG controller with on-chip PHY
- USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and on-chip Hi-speed PHY or ULPI depending on the part number
- True random number generator
- CRC calculation unit
- RTC: subsecond accuracy, hardware calendar
- 96-bit unique ID
Circuit Diagram
STM32F722ZE-NUCLEO开发板上的资源：
和其它NUCLEO 64开发板一样，只是没有网络芯片。初步印象就是这样，后面再做具体的测评。
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