Microcontroller accessible macrocell

Details Microcontroller accessible macrocell Microcontroller accessible macrocell

1996-11-01

1998-11-10

Westin, Edward P.

Electronic digital logic circuitry

Multifunctional or programmable

Array

326 41, H03K 1977

Patent

active

058349472

ABSTRACT:
A circuit connectable to a microcontroller having an address bus, a data bus, a read line and a write line including a programmable logic device (PLD) array, at least one input pin and at least one databus macrocell. The input pin is connected to the PLD array and is connectable to the address bus. The databus macrocell is connected to the PLD array and to an external unit and is also connectable to the data bus, the read line and the write line. The databus directly accesses the databus macrocell.

REFERENCES:
patent: 5091661 (1992-02-01), Chiang
patent: 5386115 (1995-01-01), Steele et al.
patent: 5523706 (1996-06-01), Kiani et al.

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