Programmable high speed state machine with sequencing capabiliti

Details Programmable high speed state machine with sequencing capabiliti Programmable high speed state machine with sequencing capabiliti

1988-08-11

1990-10-23

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307469, 364716, H03K 19177

Patent

active

049654721

ABSTRACT:
Programmable high speed state machines with sequencing capabilities based on a dual array structure with state information and fast sequencing logic placed between the two arrays are disclosed. The state section consists of multiple registered macrocells which are connected to function as program counters and decoders to the output array. The input array has feedback from the state registers and input from the dedicated inputs and input/output pins around the device. The inputs of the input array are all individually configurable as registered or nonregistered, with the inputs being divided into three groups, input/output, Mealy and simple inputs, with three enable product terms from the output array controlling the respective groups. Various additional characteristics, features and capabilities of the invention are disclosed.

REFERENCES:
patent: 4415818 (1983-11-01), Ogawa et al.
patent: 4488229 (1984-12-01), Harrison
patent: 4663545 (1987-05-01), Pumo et al.
patent: 4675556 (1987-06-01), Bazes
patent: 4758746 (1988-07-01), Birkner et al.
patent: 4786829 (1988-11-01), Letcher
patent: 4831573 (1989-05-01), Norman
patent: 4855954 (1989-08-01), Turner et al.
Davis, "Enhanced State Sequencer for Sequential Logic Array", IBM T.D.B., vol. 26, No. 1, Jun. 1983, pp. 99-104.

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