Programmable controller generating plural alternating clocks wit

Details Programmable controller generating plural alternating clocks wit Programmable controller generating plural alternating clocks wit

1989-02-22

1992-11-24

Lee, Thomas C.

Boots, shoes, and leggings

3642474, 3642476, 3642624, 364271, 364DIG2, 395550, G06F 900

Patent

active

051670259

ABSTRACT:
A programmable controller is disclosed for controlling a system including a program memory unit for storing a group of sequence instructions including an instruction part and operand part, a data memory unit for storing a plurality of system data, a sequence execution control unit for executing sequence computations based on instructions fetched from the program memory unit and the system data from the data memory unit, and a holding register unit for holding the operand part as address part of the system data when the sequence execution control unit fetches the instruction from the program memory.

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