Centralized generation of data transfer acknowledge pulses for m

Details Centralized generation of data transfer acknowledge pulses for m Centralized generation of data transfer acknowledge pulses for m

1983-02-25

1986-09-23

Eng, David Y.

Boots, shoes, and leggings

G06F 1342

Patent

active

046139362

ABSTRACT:
Centralized generation of data transfer acknowledgment (DTACK) pulses is provided instead of providing each of the devices with their own DTACK pulse generation facilities. In this centralized DTACK generator, a number of gating circuits are gated on at different intervals by sequential pulses from a delay circuit. Device access lines from the microprocessor address decoder are all fed to one of these gates. When there is concurrence of one of the sequential pulses and a device access pulse at the inputs of one of the gates, the gate places an acknowledgment pulse on the DTACK line.

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