技术特性

• Pin-to-pin and functionally compatible to National PC16552
  
• Pin-to-pin Compatible to Exar’s XR16L2752 and XR16C2852
  
• 4 Mbps transmit/receive operation (64 MHz External Clock Frequency)
  
• 2 Independent UART Channels
  
• Register Set Compatible to 16C550
  
• 16 byte Transmit FIFO to reduce the bandwidth requirement of the external CPU
  
• 16 byte Receive FIFO with error tags to reduce the bandwidth requirement of the external CPU
  
• 4 selectable RX FIFO Trigger Levels
  
• Fixed Transmit FIFO interrupt trigger level
  
• Full Modem Interface (CTS#, RTS#, DSR#, DTR#, RI#, CD#)
  
• DMA operation and DMA monitoring via TXRDY# and RXRDY# pins
  
• UART internal register sections A & B may be written to concurrently
  
• Multi-Function output allows more package functions with few I/O pins
  
• Programmable character lengths (5, 6, 7, 8) with even, odd, or no parity
  
• Crystal oscillator or external clock input
  
• Industrial and commercial temperature ranges
  
• Pb-Free, RoHS Compliant Versions Offered

应用领域 APPLICATION

• Portable Appliances
  
• Telecommunication Network Routers
  
• Ethernet Network Routers
  
• Cellular Data Devices
  
• Factory Automation and Process Controls

技术指标

订购信息 Ordering Information