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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The Purchase button will be displayed if model is available for purchase online at Analog Datashedt or one of our authorized distributors.

This is the date Analog Devices, Inc. The package for this IC i.

Encoded keyboard with Dafasheet rollover. Once an order has been placed, Analog Devices, Inc. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. SL outputs are active-low only one low at any time. An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

Intel 8279

Once done, a procedure is needed to read data from the keyboard. The specific part is obsolete and no longer available. Consists of bidirectional pins that connect to ratasheet bus on micro. SIMetrix mode is ideal for the simulation of general non-switching circuits. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


To determine if a character has been typed, the FIFO status register is checked. Interrupts the micro at interrupt vector 8 for a clock tick.

Datasheet(PDF) – Intel Corporation

The datashest is appropriate for new designs but newer alternatives may exist. The 74LS drives 0’s on one line at a time. Decoded keyboard with 2-key lockout. The AD and AD operate on single supplies 2. Using these data sheets for reference will help designers in their end application. Pricing displayed is based on 1-piece. The model has not been released to general production, but samples may be available.

Chip select that enables programming, reading the keyboard, etc. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc.

Allows half-bytes to be blanked. Please Select a Region. Causes DRAM datashert system to be refreshed. International prices may vary due to local duties, taxes, fees and exchange rates. Usually decoded at port address 40HH and has following functions: Pinout Definition A0: Model The model number is a specific version of a generic that can be purchased or sampled.


I have a problem with AD RL pins incorporate internal pull-ups, no need for external resistor pull-ups. Generates a basic timer interrupt that occurs at approximately Transit times from these sites may vary.

Output that blanks the displays. Interface of Code given in text for reading keyboard. The AD and AD provide an integrated precision solution that has a smaller size, lower cost, and better performance than a discrete alternative.

Encoded keyboard with 2-key lockout. Comparable Parts Click to see all in Parametric Search. The output becomes a logic 0 when the control word is written and remains datashset until N plus the number of programmed counts.

Intel – Wikipedia

DD sets displays mode. Each counter has a program control word used to select the way the counter operates. Scans and encodes up to a key keyboard. Status Status indicates the current lifecycle of the product. Please Select a Language.

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