Tindie

Z50Bus Simple digital I/O Card

(2 Reviews)

This simple 8-bit digital I/O card adds demonstration of hardware I/O to a Z50Bus compatible system, like the LiNC80 SBC1

Designed by LiNC in Norway

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$20.00

Out of Stock

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Sold out since Jul 01, 2021

This simple 8-bit digital I/O card adds demonstration of hardware I/O to a Z50Bus compatible system, like the LiNC80 SBC1

This simple 8-bit digital I/O card is designed for use with Z50Bus compatible 8-bit computers, with the LiNC80 SBC1 as its primary target. It provides 8 lines of digital output controlling 8 LEDs, an…

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This simple 8-bit digital I/O card is designed for use with Z50Bus compatible 8-bit computers, with the LiNC80 SBC1 as its primary target. It provides 8 lines of digital output controlling 8 LEDs, and 8 lines of digital input via pushbuttons and/or a DIP switch. The card is intended to be used for learning digital I/O, and for demonstrating simple I/O operations.

The I/O card occupies a single I/O address. The address of the card can be fully selected as any one address value in the range 0x00 to 0xFF. Writes to the selected address will be latched as output, driving the 8 LEDs on the card. Reads from the selected address is taken immediately from the combined state of the input DIP and pushbuttons. The buttons have pull-down resistors in their passive/off state, and the buttons and the DIP switches are connected in parallel.

A proficient user that wants to use this card to connect to the “outside”, may choose to omit the buttons and LEDs. A connector J2 is provided to allow easy connection of inputs. Each LED position has an indicating marker for Pin2/anode, which corresponds to the Output signal pin from the 74xx273 chip on the card.

Available as full kit, or PCB only.

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Review Breakdown

5

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3

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Average Ratings

Product: (5.00)

Documentation: (5.00)

Shipping: (5.00)

Communication: (5.00)

Donald | March 15, 2021

The Z50Bus Simple digital I/O Card is easy to assemble

I'll be using the digital I/O card to test software written with a Z80 assembler IDE. The software will be downloaded to the SC118 Z80 board.

Andrew | Aug. 29, 2020

Nice expansion for LiNC80

A straight forward I/O device for LiNC80 with switches and LEDs. Also enables you to see output from the Small Computer Monitor self-test which is very handy.
Excellent documentation, nice quality board, easy assembly and worked first time! Highly recommended add-on for Z80 tinkering.

$20.00

Out of Stock

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Sold out since Jul 01, 2021

LiNC

Gjøvik, Oppland, Norway

Ships from Norway.

11 Reviews | 142 Orders

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