USB NFC加密狗用于在电子银行业务中验证用户或交易。它们有一个简单的用户界面 — 通常通过USB连接器（也用于为设备供电）连接到个人电脑，还有一个HF NFC读写器 — 通常带有一个非常小的天线。
这些读写器与典型NFC/HF读写器的主要区别在于其非常小的天线，但我们的ST25R NFC/HF读写器的优良特性使其具有很好的读取性能。
我们ST25R NFC读写器的广泛读取范围和超低功耗STM32L4微控制器有助于设计高效的NFC加密狗。
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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.
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.
Introduction to surges – EOS and ESD – definition, standards, effects and root cause
开发工具硬件
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Picture Part number 制造商 Description 
STM32CubeMX ST STM32Cube initialization code generator 型号STM32Cube initialization code generator
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EMI Filtering and Signal Conditioning
| Part number | Description |
|---|---|
| EMIF03-SIM02M8 | 3-line EMI filter and ESD protection for SIM card interfaces |
| EMIF08-LCD04M16 | 8-line L-C EMI filter and ESD protection for display interfaces |
NFC
| Part number | Description |
|---|---|
| ST25R3911B | NFC / HF RFID Reader IC |
| ST25R3912 | NFC / HF RFID Reader IC |
Protection Devices
| Part number | Description |
|---|---|
| ESDA25P35-1U1M | High-power transient voltage suppressor (TVS) |
| ESDA7P120-1U1M | High-power transient voltage supressor (TVS) |
| ESDZV5-1BF4 | Ultra Low clamping single line bidirectional ESD protection |
| HSP053-4M5 | 4-line ESD protection for high-speed lines |
| USBLC6-2SC6Y | Automotive very low capacitance ESD protection |
