支付电子狗是最基本的mPOS设备，通常通过音频插孔或BLE连接到也提供密码键盘的移动设备。mPOS电子狗在系统中的单一微控制器上运行EMVCo Level 1和2接触式和非接触式软件协议栈，以及PCI标准要求的基本篡改检测和加密功能.
Security has emerged as one of the 3 key areas that developers of embedded and IoT applications are thriving to improve. The STM32L5 microcontroller series is the solution and provide a new optimal balance between performance, power and security.
Rich by its features-set, STM32CubeMX is changing its skin today to provide to the developers an improved access to the Pinout, Peripherals and Middlewares parameters to ease the configuration and optimized the project development time. This new look is also standardizing the User Interface of the different Software Development Tools of the STM32Cube ecosystem.