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Synchro104 - SDLC/HDLC Serial Communications Controller


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The Synchro104 is an eight channel synchronous serial communication controller on a single low power PC/104 (pc104) card providing an unprecedented level of communication port integration, performance and flexibility. The Synchro104 SDLC/HDLC controller is a cost-effective solution for providing up to eight Synchronous SDLC/HDLC ports on a PC/104 system. The Synchro104 utilises an ultra high performance industry standard SCC with enhanced features resulting in improved flow control and extremely high data rates. Each of the 8 channels may be individually configured for RS232, RS422 or RS485 level operation at speeds up to 10Mbits/sec. Interrupt control hardware and flexible address decoding allow the Synchro104 to only occupy a single IRQ line on the PC/104 system thus reducing IRQ resource overhead in hardware intensive applications. Because of the flexible address decoding and interrupt control hardware, up to 4 Synchro104 cards may be fitted in a PC/104 system providing up to 32 SDLC/HDLC Synchronous channels on the system. The Synchro104 is provided with software drivers for the most popular Operating Systems including MSDOS, Windows95/98/NT/CE,NT-Embedded, Linux and RTOS such as QNX etc.

 

Highlights

  • Eight independent Synchronous channels
  • BISYNC/SDLC/HDLC/CCITT-X.25 protocols.
  • Speeds up to 10Mbits/sec
  • 128 Byte FIFO per channel
  • On-board Interrupt Controller uses single IRQ
  • Standard PC/104 form factor
  • Single +5V power supply
  • Wide range of Operating System support

Comms Controller

  • SAB82538 Enhanced Serial Communication Controller
  • 128Bytes FIFO per channel
  • BISYNC, SDLC, HDLC, CCIT-X.25
  • NRZ, NRZI, FM and Manchester encoding
  • 8 independent full-duplex channels

Synch/Isosynch

  • 10MBits/sec maximum transfer rate (single channel)
  • Up to 1MBit/sec multiple channels (depends on CPU)
  • External Data Clocking (option)

Character Synchronous

  • Internal or External character synchronisation
  • 1 or 2 synch characters
  • Automatic CRC generation

SDLC/HDLC

  • Abort sequence generation and checking
  • Automatic zero bit insertion/deletion
  • Automatic flag insertion between messages
  • Address field recognition
  • CRC generation/checking

Universal Parallel Ports

  • Two 8-bit parallel ports
  • Each line can be independently controlled for input/output

Bus Interface

  • 16-bit PC/104 Interface (stack through)
  • Single IRQ - one of IRQ 10 or 11
  • Flexible memory-mapping to PC/104 memory space

Physical Interface

  • Eight independent RS232/422/485
  • Supporting TX-Data, RX-Data, CTS, RTS
  • 2 off 40-pin 0.1inch pitch headers

Miscellaneous

  • Single +5V at less than 600mA
  • Operating temp 0°C to 60°C or -40°C to +85°C (extended temp option)
  • Standard 3.6 x 3.8in PC/104plus form factor

Software Support

  • Windows 2000/XP
  • Linux, QNX, MSDOS
  • Other operating systems can be supported
 

The following order codes can be used when ordering the Synchro104

Synchro104-8 - 8 channel PC/104 HDLC/SDLC Controller (0 to 60°C)
Synchro104-8-Ext - 8 channel PC/104 HDLC/SDLC Controller (-40°C to +85°C)

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