Description, Programmable Keyboard / Display Interface. Company, Intel Corporation. Datasheet, Download datasheet. Quote. Find where to buy. Quote. The INTEL is specially developed for interfacing keyboard and display devices The four major sections of are keyboard, scan, display and CPU . Datasheet PDF Download – PROGRAMMABLE KEYBOARD / DISPLAY INTERFACE, data sheet.

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Clears the display or FIFO. Keyboard Interface of The keyboard matrix can be any size from 2×2 to 8×8.

View Detailed Evaluation Kit Information. DD sets displays mode. Six Digit Display Interface of The display is controlled from an internal 16×8 RAM that 8729 the coded display information.

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Selects type of FIFO read and address of the read. Also, please note the warehouse location for the product ordered.

Programmable Keyboard/Display Interface –

We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. Consists of bidirectional pins that connect dxtasheet data bus on micro.


Using these data sheets for reference will help designers in their end application. Price Rohs Orders from Analog Devices.

The model has not been released to general production, but samples may be available. Strobed keyboard, encoded display scan. Once done, a procedure is needed to read data from the keyboard.

Decoded keyboard with 2-key lockout. The scans RL pins synchronously with the scan. Keyboard Interface of DD Function 00 8-digit display with left entry 01 digit display with left entry 10 8-digit display with right entry 11 digit display with right entry. Pinout Definition A0: Keyboard Interface of First three bits given below select one of 8 control registers opcode.

(PDF) 8279 Datasheet download

Counter reloaded if G is pulsed again. There are 6 modes of operation for each counter: The first 3 bits of sent to control port selects one of 8 control words. The various ranges specified are as follows: Unlike the 82C55, the must be programmed first. For more information about lead-free parts, please consult our Pb Lead free information page.


The previous example illustrates an encoded keyboard, external decoder used to drive matrix. Pricing displayed is based datashedt 1-piece. Evaluation Boards Pricing displayed is based on 1-piece.

Intel 8279

The address inputs select one of datadheet four internal registers with the as follows: Each counter has a program control word used to select the way the counter operates. For detailed drawings and chemical composition please consult our Package Site.

Keyboard has a built-in FIFO 8 character buffer.