Last modified on 8 February 2010, at 17:32

Cirkit serial interface

Revision as of 17:32, 8 February 2010 by Nocash (Talk | contribs) (Specs (from advert))

The Cirkit serial link was used for the Cirkit Prestel link

Reportedly, it did "flourish", but almost nothing else is known.

  • Some information fragments are here: Cirkit.

Technical

  • I/O ports are unknown...?
  • Chipset: uses 8251 UART (according to the advert)
  • Note - Cirkit reportedly also made a "Twin-port" serial interface (which probably used other chipset)

Pictures

Downloads

  • None such...?

Specs (from advert)

  • Plugs into Disk Drive, through Bus Connector for Disk Drives and other peripherals. [Note: On the CPC 464, the "Expansion Port" was called "Floppy Port", this probably what is meant by "into Disk Drive"]
  • Can be used to interface to other RS232 devices, such as Modems, Plotters and Printers.
  • Baud rates supported 75/1200, 1200/1200 and 300/300
  • INPUTS:- Data, one handshake - RS232 compatible
  • OUTPUTS:- Data, one handshake - +5 volt positive going Works with all TTL level inputs and most RS232 devices.
  • All interface features are software addressable, uses 8251 UART.
  • Supplied with full RSX drivers, which may be used in your own programs.
  • Not directly compatible with Amstrad CPM.
  • Extensive documentation about interface and RSX's supplied on cassette.