NCN5120 微控制器开发板

enly

NCN5120 KNX收发器。 这高集成度器件支持在双绞线网络总线上发射及接收数据，符合家庭及建筑物自动化KNX标准。这收发器拥有内置的20伏(V)稳压器及两个高能效直流-直流(DC-DC)转换器。其中第一个转换器提供3.3 V固定输出电压，而另一个转换器提供在3.3 V至21 V之间可调节的输出电压。此器件非常适合于大功率应用，如智能照明系统、通风/空调系统、恒温系统、烟雾检测器及警报系统。Key Features

       

• 9,600 baud KNX Communication Speed        
  
• Supervision of KNX Bus Voltage        
  
• High Efficient 3.3 V to 21 V Selectable DC−DC Converter to Drive External Loads        
  
• Monitoring of Power Regulators        
  
• No Additional Power Supply Required        
  
• Buffering of Sent Data Frames (Extended Frames Supported)        
  
• Selectable UART or SPI Interface to Host Controller        
  
• Selectable UART and SPI Baud Rate to Host Controller        
  
• Optional CRC on UART to the Host        
  
• Optional MARKER Character to the Host        
  
• Optional Direct Coupling of RxD and TxD to Host (Analog Mode)        
  
• Auto Polling (Optional)        
  
• Temperature Monitoring        
  
• Contains Freely Programmable Microcontroller for Custom Applications        
  
• Monitoring of 4 External Switches        
  
• Controlling of 4 External (High Voltage) Loads (e.g. LED’s)        
  
• One Freely Usable Push Button        
  
• 3 Freely Usable LED’s        
  
• Operating Temperature Range −25°C to +85°C