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STM32F412是ST推出的新款MCU产品,这是一款基于Cortex-M4的入门级MCU,为STM32F4 Access Line系列带来了全新的特性,除了对产品内存进行了升级,还带来了其它的新特性,例如更高的主频及可以工作在125°C的工作环境之下,MCU还提供了QSPI/FMC存储访问接口。STM32F412配备高性能存储器接口,通过双模100MHz四线SPI连接片外存储器;灵活存储控制器(FMC)支持静态存储器,对片内1MB闪存和256KB RAM进行高效扩容。新增LCD显示并口可管理16位色深的QVGA显示器或8位色深的WQVGA显示器;内部真随机数发生器(TRNG)增强了安全算法如加密算法的运算性能。此外,现有基本型产品线的USB OTG端口新增链路功率管理(LPM)和双电压轨,为设计人员省去了电平转换器,从而节省电路板空间。Features
- STM32 microcontroller in LQFP144 package
- Two types of extension resources:
- ST Zio connector including: support for Arduino™ Uno V3 connectivity (A0 to A5, D0 to D15) and additional signals exposing a wide range of peripherals
- ST morpho extension pin header footprints for full access to all STM32 I/Os
- ARM® mbed™ -enabled (see http://mbed.org)
- On-board ST-LINK/V2-1
- debugger/programmer with SWD connector:
- Selection-mode switch to use the kit as a standalone ST-LINK/V2-1
- USB re-enumeration capability. Three different interfaces supported on USB: virtual COM port, mass storage, debug port
- Flexible board power supply:
- 5 V from ST-LINK/V2-1 USB VBUS
- External power sources: 3.3 V and 7 - 12 V on ST Zio or ST morpho connectors, 5 V on ST morpho connector
- USB OTG or full-speed device with Micro-AB connector (depending on STM32 support)
- IEEE-802.3-2002 compliant Ethernet connector (depending on STM32 support)
- Three user LEDs
- Two push-buttons: USER and RESET
- LSE crystal: – 32.768 KHz crystal oscillator
- Comprehensive free software HAL library including a variety of software examples
- Support of wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, GCC-based IDEs, ARM® mbed
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