XR21B1420IL28评估板

enly

XR21B1420是一种增强型通用异步收发器（UART）桥接USB接口。USB接口是完全符合USB 2.0（全速）12 Mbps的USB数据传输速率规范。USB接口还支持USB挂起，恢复和远程唤醒操作。在USB供应商ID，产品ID，功率模式，远程唤醒支持，最大功率，以及众多的其他设置可以经由USB接口芯片上的OTP存储器进行编程。FEATURES 

       

•  ±15kV ESD on USBD+/USBD-        
  
•  USB 2.0 Compliant, Full-Speed (12Mbps)        
  
•  Unique pre-programmed USB serial number       
  
• Internally generated 48MHz core clock       
  
• Enhanced UART features 
  
         
  
  • Baud rates up to 12 Mbps        
    
  • Fractional Baud Rate Generator        
    
  • 512-byte TX and 512-byte RX FIFOs        
    
  • Auto Hardware / Software Flow Control        
    
  • Multidrop and Half-Duplex Modes        
    
  • Auto RS-485 Half-Duplex Control        
    
  • Selectable GPIO or Modem I/O 
    
         
  
• Up to 10 GPIOs        
  
• 5V tolerant GPIO inputs        
  
• Suspend state GPIO configuration        
  
•  Configurable clock output        
  
• 28-pin QFN package        
  
• Industrial -40°C to +85°C Temperature Range
  

APPLICATIONS 

       

• Building Automation        
  
• Security Systems        
  
• Factory and Process Control        
  
• ATM Terminals        
  
• USB to Serial Controllers