Method of processing externally supplied data by CPU in non-oper

Details Method of processing externally supplied data by CPU in non-oper Method of processing externally supplied data by CPU in non-oper

1997-10-08

2000-05-23

Auve, Glenn A.

Electrical computers and digital processing systems: support

Computer power control

By external command

713323, 713324, G06F 126

Patent

active

060676264

ABSTRACT:
A portable terminal device includes an information processing unit having a CPU which is a non-operating state, and an interface unit. When a data informing transmission of valid data is received from an external unit, the interface unit requests the external unit to stop the transmission of the valid data. At the same time, the interface unit transmits serial dummy data to the information processing unit. When the CPU is switched from a non-operating state to an operating state in response to reception of the serial dummy data, the interface unit requests the external unit to restart the transmission of the valid data. The interface unit transmits the valid data the information processing unit in serial. The CPU processes the valid data.

REFERENCES:
patent: 5406064 (1995-04-01), Takahashi
patent: 5692197 (1997-11-01), Narad et al.
patent: 5692203 (1997-11-01), Grodevant
patent: 5721937 (1998-02-01), Kurihara et al.
patent: 5802305 (1998-09-01), McKaughan et al.
Japanese Office Action issued in a related application along with an English-language translation of the relevant portions.
"Transistor Technique", published by CQ Shuppan, Mar. 1994, pp. 208-237, In Japanese.

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