The TWR-K21F120M是一个tower 系统模块 用于MK21FN1M0VMC12微控制器. The MK21FN1M0VMC12 is 低功率ARM Cortex- M4 based MCUs while keeping full 软件, 硬件和开发工具compatibility. These MCUs are further optimized 用于cost sensitive应用requiring low power, with floating point unit, USB connectivity和处理efficiency with optional tamper detection和enhanced security features. This tower 系统模块 is 用于the Kinetis K21和K22 120MHz 32位ARM Cortex-M4 MCUs with floating point unit. The模块提供rapid 原型 用于应用 requiring high feature integration, as low as 240uA/MHz 低功率消耗和mid/high 闪存存储器 density (up to 1MB) that need to support 多用通讯 stacks. When installed into a tower 系统, the TWR-K21F120M can be powered from either an onboard source or from another source in the assembled tower 系统.
- 双重作用USB接口 微型USB AB型连接器
- 板载开源JTAG(OSJTAG)电路,带虚拟串行端口
- 通用塔式插入(TWRPI)插口
- MMA8451Q三轴加速度计
- 四个用户控制状态LED
- 按钮用于GPIO中断和微控制器复位
- 电位器, SD卡槽和钮扣电池座
- 独立的电池电源用于实时时钟和篡改检测模块
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