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Dual channel serial port card with software controlled baud rate and timers, for Z50Bus
Retrocomputing
Kits

OUT OF STOCK DUE TO SHORTAGE OF Z80 CTC

This card houses a Z80 serial I/O (SIO/2) device (Z84C42xxPEG) and a Z80 counter/timer (CTC) device (Z84C30xxPEG), designed for use with the Z50Bus.

The CTC provides four counter/timer channels. Channel 0 is used to control the baud rate of serial port A. Channel 1 is used to control the baud rate of serial port B. Channels 2 and 3 typically provide a periodic timer tick.

The module provides support for Z80 mode 2 interrupts.

Device address options: SIO = 0x80 to 0x83, CTC = 0x88 to 0x8B, or SIO = 0x84 to 0x87, CTC = 0x8C to 0x8F

Features

  • Two serial ports
  • Four counter/timer channels
  • Tight address decoding
  • Easy access to input and output signals on header pins or bus pins
  • Interrupt daisy chain support with look-ahead

Documentation

The documentation can be found at www.smallcomputercentral.com

  • SC511 - Printed circuit board on its own
  • Components, spares, and accessories

Notes

  • This product is supplied as a kit of parts that require assembly.
  • It is your responsibility to pay any import duty or taxes charged by your home country.
  • This design is made with the permission of LiNC (designers of the Z50Bus).
  • This product is designed for hobby use and is not suitable for industrial, commercial, or safety-critical applications.

Links to code and documentation

Documentation (smallcomputercentral.com)

Product HS Code: 854290

Shipping policy

Products usually ship within 3 days

SC511 Serial and Timer Kit for Z50Bus

Sold by Small Computer Central

$48.00

$52.80 with tax in United States [change]
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Stowmarket, England, UK
145 orders since Feb 14, 2023
Retro computer kits