Microcomputer with universal serial bus interface circuit...

Details Microcomputer with universal serial bus interface circuit... Microcomputer with universal serial bus interface circuit...

2005-10-11

2005-10-11

Ray, Gopal C. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S008000, C710S009000, C710S010000, C711S103000, C711S104000

Reexamination Certificate

active

06954815

ABSTRACT:
A microcomputer includes a universal serial bus (USB) interface circuit wherein a program is written from a host to the microcomputer at high speed by utilizing a USB cable for connecting the host to a peripheral device. Nonvolatile memory, such as flash ROM, for program storage has a first program area to which program data transmitted from a personal computer is to be written and a second program area storing a write control program. Program data stored temporarily in RAM is written to the first program area of the flash ROM through a USB interface circuit in accordance with the write control program.

REFERENCES:
patent: 6000042 (1999-12-01), Henrie
patent: 6012103 (2000-01-01), Sartore et al.
patent: 6073205 (2000-06-01), Thomson
patent: 6192420 (2001-02-01), Tsai et al.
patent: 6219736 (2001-04-01), Klingman
patent: A-205412 (1999-07-01), None
patent: 2000-181898 (2000-06-01), None
patent: WO 99/01820 (1999-01-01), None
“New protocol transfer module for USB2.0-to-IEEE 1394 interfaces using synchronous packet control for audio and video data streams” by S. Fujimori, T. sakurai, K. Ikenoya, S. Shinmura and H. Asada (abstract only).
“FireWire finally cones home” by C. Severance (abstract only).
Interface, Jan. 1997, pp. 116-131.

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