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PC104P-SIO4B-SYNC
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PC104P-SIO4B-SYNC High-performance Serial I/O (to 10Mbits/ sec)
PC104P-SIO4B-SYNC High-performance Serial I/O (to 10Mbits/ sec)
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 PC104P-SIO4B (PDF 309Ko)

Features
  • Four Independent Synchronous Serial Channels
  • Serial Data Rates up to 10 Mbits/sec
  • SCSI II type 68 pin front edge I/O Connector with optional cable adapter to four DB25 connectors
  • Independent Transmit and Receive FIFO Buffers for each Serial Channel – Up to 32k Deep Each
  • Fast RS485/RS422 Differential Cable Transceivers to Provide Increased Noise Immunity
  • Programmable Transmit Bit Counts allow for various transmit word lengths
  • Selectable Transmit Gap Bit Counts allow for a programmed number of clocks between words
  • Unused Serial Channels can be programmed to provide General Purpose IO capability
  • Dual PCI DMA Engine to speed transfers and minimize host I/O overhead
  • On-Board Programmable Oscillators provide increased flexibility for Baud Rate Clock generation
  • A variety of device drivers are available, including VxWorks, WinNT, Win2000, Windows XP, Linux, and Labview
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Description
  • The PC104P-SI04B-SYNC board is a four channel serial interface card which provides a simple synchronous serial interface capability for PC104P applications. The PC104P-SIO4B-SYNC combines a flexible parallel/serial converter and 8 external FIFOs to provide four fully independent synchronous RS422/RS485 serial channels. These features, along with a high performance PCI interface engine, give the PC104P-SIO4B-SYNC unsurpassed performance in a serial interface card.

    This is a high-speed synchronous serial card that basically performs simple serial to parallel conversion of data. It does not support the high level protocols like the SIO4B/Zilog chips and does not add/strip any information to/from the data stream. This card is best used when the customer is using a proprietary serial protocol that can be decoded in software or simply needs to send or receive raw serial data without any of the high level protocol overhead. This card offers deep FIFO buffers (up to 32KB) to help reduce the risk of data loss at high clock rates. The SIO4B-SYNC can operate at up to 10 Mbits/sec with the software selectable transceivers set for differential (RS422/485) mode. Single-ended modes, such as RS232 and RS423, are limited to 230 kbits/sec. Drivers are available for Windows, VxWorks and Linux.
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