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NTE6821 - Integrated Circuit Peripheral Interface Adapter (PIA)

Description

The NTE6821 is a peripheral interface adapter (PIA) in a 40 Lead DIP type package capable of interfacing the Microprocessing Unit (MPU) to peripherals through two 8

Bit bidirectional peripheral data buses and four control lines.

Features

  • D 8.
  • Bit Bidirectional Data Bus for Communication with the MPU D Two Bidirectional 8.
  • Bit Buses for Interface to Peripherals D Two Programmed Control Registers D Two Programmed Data Direction Registers D Four Individually.
  • Controlled Interrupt Input Lines; Two Usable as Peripheral Control Outputs D Handshake Control Logic for Input and Output Peripheral Operation D High.
  • Impedance 3.
  • State and Direct Transistor Drive Peripheral Lines D Program Controlled Inter.

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Datasheet Details

Part number NTE6821
Manufacturer NTE Electronics
File Size 45.21 KB
Description Integrated Circuit Peripheral Interface Adapter (PIA)
Datasheet download datasheet NTE6821 Datasheet
Additional preview pages of the NTE6821 datasheet.

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Full PDF Text Transcription

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NTE6821 Integrated Circuit Peripheral Interface Adapter (PIA), NMOS, 1MHz Description: The NTE6821 is a peripheral interface adapter (PIA) in a 40–Lead DIP type package capable of interfacing the Microprocessing Unit (MPU) to peripherals through two 8–Bit bidirectional peripheral data buses and four control lines. No external logic is required for interfacing to most peripheral devices. The functional configuration of the PIA is programmed by the MPU during system initialization. Each of the peripheral data lines can be programmed to act as an input or output, and each of the four control/interrupt lines may be programmed for one of several control modes. This allows a high degree of flexibility in the over–all operation of the interface.
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