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Glitch Works 8255 PPI Parallel Card for Glitchbus

(1 Review)

8255 based parallel interface board with prototype area

Designed by Glitch Works, LLC in United States of America

Glitch Works 8255 PPI Parallel Card for Glitchbus 1

Glitch Works 8255 PPI Parallel Card for Glitchbus 2

Glitch Works 8255 PPI Parallel Card for Glitchbus 3

Glitch Works 8255 PPI Parallel Card for Glitchbus 4

Glitch Works 8255 PPI Parallel Card for Glitchbus 5

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8255 based parallel interface board with prototype area

The GW-GLITCHBUS-8255PIO1 interfaces an Intel 8255 PPI (or compatible) to the Glitchbus, providing 24 bits of parallel I/O. This board also includes a large prototype area for user-implemented circui…

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The GW-GLITCHBUS-8255PIO1 interfaces an Intel 8255 PPI (or compatible) to the Glitchbus, providing 24 bits of parallel I/O. This board also includes a large prototype area for user-implemented circuits. It is fully buffered and decoded. Multiple GW-GLITCHBUS-8255PIO1 boards can be added to a Glitchbus system as long as they are each addressed uniquely.

8255 ports A and B are broken out to two 16-pin DIP sockets, which can be jumpered to standard solderless breadboards using 16-pin DIP ribbon cable jumpers. These headers also provide convenient tie points for circuits built up in the prototype area. Port pins are labeled on front and back of the board and appear on DIP pins 1-8. Pins 9-16 are grounded, but the ground tie-ups are separated and easy to cut, so that other functions can be patched onto the headers.

8255 port C is uncommitted and can be jumpered as necessary.

We're working on a manual for this board, but it is not yet available.

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Review Breakdown

5

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4

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3

1

2

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1

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Average Ratings

Product: (4.00)

Documentation: (2.00)

Shipping: (4.00)

Communication: (5.00)

John | March 8, 2021

A good addition to the 8085 SBC.

The 8255 is a great addition to any 8085 SBC. The ability to have input and output bits available makes the controller useful for many applications. It would be better if the port C pins were brought out to a header like the other two ports.

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Glitch Works, LLC

Buena Vista, VA, United States of America

Ships from United States of America.

61 Reviews | 1,847 Orders

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