Device for exchanging data between a computer and a peripheral u

Details Device for exchanging data between a computer and a peripheral u Device for exchanging data between a computer and a peripheral u

1986-01-21

1988-08-02

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 1314

Patent

active

047617292

ABSTRACT:
This is a device for exchanging data between a computer and a peripheral unit. The data supplied by the computer are words of N binary characters (bits), and the data received by the peripheral unit are words of P bits. The device comprises a memory formed by P shift registers of N bits, an address decoding circuit for addressing the registers during exchanges of data, a control unit receiving from the decoding circuit a signal controlling the shifts in the registers. The registers are connected to the computer to receive P words of N bits which are transferred to the peripheral units. They also enable N words of P bits to be transferred to the computer when the peripheral unit supplies P words of N bits.

REFERENCES:
patent: 3274556 (1966-09-01), Paul et al.
patent: 3631402 (1971-12-01), Field
patent: 4040026 (1977-08-01), Gernelle
patent: 4052699 (1977-10-01), Micka et al.
patent: 4153950 (1979-05-01), Nosowicz et al.
patent: 4333159 (1982-06-01), Bigall et al.
patent: 4649512 (1987-03-01), Nukiyama

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