Serial Communication on PMC Socket PMC520

The PMC520 provides 8 asynchronous EIA/TIA-232E (232 Octal) serial ports with 64-Byte FIFO Buffers, interrupt support and programmable baud rate of up to 120Kbps.

The Acromag PMC520 is 8 serial communication ports on a PMC Socket.

Firstly, the software quickly enables you to set up baud rates, character sizes, stop bits and parity. Signal support for RTS/CTS handshaking is also included. To allow more efficient data processing, each serial port contains 64-character FIFO buffers on the transmit and receive lines. The data ports generate individually controlled transmit, receive, line status and data set interrupts. Plus, a global interrupt source register provides interrupt status indication for all eight channels to speed up interrupt parsing.

Features of the Serial Communication on PMC Socket PMC520 include:

  • Eight EIA/TIA-232E ports
  • 64-byte transmit FIFO buffers
  • 64-byte receive FIFO buffers
  • Programmable baud rate (up to 120Kbps)
  • Individual handshake lines (RTS, CTS) on each channel
  • Line-break and false start-bit detection
  • Industry-standard software-compatible 16C550 configuration registers
  • 0 to 70°C (PMC520-64) or -40 to 85°C (PMC520-64E)


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