Boots – shoes – and leggings
Patent
1990-08-09
1991-08-20
Heckler, Thomas M.
Boots, shoes, and leggings
364228, 3642328, 3642401, 364260, G06F 1300
Patent
active
050419692
ABSTRACT:
A data processor includes first and second microprocessors. The first microprocessor is provided with an external terminal and is additionally fed with an instruction for checking whether a signal fed to that external terminal satisfies a predetermined condition or not thereby to instruct a branching operation if the predetermined condition is satisfied. As a result, the external status of the first microprocessor can be checked. The second microprocessor is provided with an external terminal and is additionally fed with an instruction for checking whether or not the internal status of the second microprocessor satisfies a predetermined condition and supplies the result of the checking operation to the outside of the second microprocessor through the external terminal. As a result the internal status of the second microprocessor can be judged from the outside. The second microprocessor is assigned an arithmetic function. The external terminals attached to the first and second processors are connected to each other. The result of the arithmetic operation conducted in the second microprocessor is fed through the external terminal to the external terminal of the first microprocessor so that the processings including the arithmetic operations can be executed at a high speed.
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Kawasaki Shumpei
Nakano Koichi
Heckler Thomas M.
Hitachi , Ltd.
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