SC718 RCBus-80pin Z80 CTC Module Kit

Name: SC718 RCBus-80pin Z80 CTC Module Kit
SKU: 30564
Price: 27.00 USD
Availability: InStock
Rating: 5.00 (1 reviews)

(1 Review)

A Z80 counter/timer module designed for RCBus

Designed by Stephen C Cousins in United Kingdom

2023-06-01T17:29:06.119Z-SC718 - Assembled A - 3x2.jpg

2023-06-01T17:37:03.991Z-SC718_v1.0.1_Render_red_top x3.png

2023-06-01T17:37:03.991Z-SC718_v1.0.0_Render_red_bottom x3.png

2023-06-01T17:37:03.991Z-SC700 - System A - 3x2.jpg

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A Z80 counter/timer module designed for RCBus

The module contains a Z80 counter/timer device (Z80 CTC, Z84C30xx). It provides four counter/timer channels, each able to generate output frequencies, count, time and generate interrupts. The module …

Documentation

The documentation can be found at www.smallcomputercentral.com

Compatibility

This module conforms to the RCBus specification v1.0 for RCBus-2014 and RCBus-Z80.

An RCBus-Z80 compliant backplane is required to create an IEI/IEO interrupt daisy-chain on the backplane rather than wires between modules, to use the second clock (CLK2) as an input source, and to make use of the second optional interrupt input. Other than these restrictions it is functional on 40-pin backplanes.

The RCBus specification includes RCBus-2014 (both RC2014 standard 40-pin bus and RC2014 enhanced 60-pin bus) and also the full 80-pin RCBus. The 80-pin RCBus provides support for advanced Z80 features, such as the interrupt daisy-chain, as well as support for other processor families.

The Kit

This kit includes all the components needed to make the module, as shown in the first picture. Other modules and backplanes shown in the pictures are not included. You will require tools, solder, and cleaning materials to assemble this kit.

Printed Circuit Board

The printed circuit board is available on its own here.

Complete Systems

If you are looking for a complete system the following products might be appropriate.

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 product is designed for hobby use and is not suitable for industrial, commercial or safety-critical applications.

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EU countries: Please note Tindie does not collect VAT. You will be charged VAT and a handling fee by your government when the parcel arrives in your country.

Review Breakdown

Average Ratings

Product: (5.00)

Documentation: (5.00)

Shipping: (5.00)

Communication: (5.00)

David | Oct. 31, 2023

Another versatile design by SCC!

This module exposes the CTC functionality in a very usable and versatile configuration. I am still not skilled enough with this particular module to put it through the ringer, but being able to control multiple devices using different clock speeds, as well as time and count down, is already proving helpful in my development work. I am looking forward to mastering this module and it is designed to make that process easy and approachable.