SHARING METHOD OF COMMUNICATION LINE AND BOARD

SHARING METHOD OF COMMUNICATION LINE AND BOARD

PROBLEM TO BE SOLVED: To reduce cost by sharing a communication port of a CPU. SOLUTION: A board 7 mounted with a sub CPU 7 is provided with a communication stop setting section for stopping communication of the sub CPU 7, a communication speed revision setting section for revisably setting a commun...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MORIMOTO KATSUMI, TAKAISHI AKIRA
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To reduce cost by sharing a communication port of a CPU. SOLUTION: A board 7 mounted with a sub CPU 7 is provided with a communication stop setting section for stopping communication of the sub CPU 7, a communication speed revision setting section for revisably setting a communication speed, and pin terminals 25 to 27 acting like a setting section for revising the communication speed of a main CPU 5, and a personal computer 10 mounted with a communication control CPU for controlling the whole communication controls each setting section so that the sub CPU 7, the main CPU 5 and the personal computer 10 can make communication via a common serial communication line UART 1 as the configuration. COPYRIGHT: (C)2006,JPO&NCIPI