| US 7,395,365 B2 | ||
| Data transfer control system, electronic instrument, program, and data transfer control method | ||
| Shinichiro Fujita, Kitakyushu (Japan); Hiroyuki Kanai, Shiouiri (Japan); Tomohiro Uchida, Sapporo (Japan); and Mihiro Nonoyama, Kodaira (Japan) | ||
| Assigned to Seiko Epson Corporation, Tokyo (Japan) | ||
| Filed on Jul. 24, 2003, as Appl. No. 10/625,625. | ||
| Claims priority of application No. 2002-217595 (JP), filed on Jul. 26, 2002. | ||
| Prior Publication US 2004/0034720 A1, Feb. 19, 2004 | ||
| Int. Cl. G06F 13/38 (2006.01) | ||
| U.S. Cl. 710—313 [710/306; 710/311] | 13 Claims |
| 1. A data transfer control system for data transfer through a bus, comprising:
a port controller that controls a plurality of ports including a first port for connecting with a first electronic instrument
and a second port for connecting with a second electronic instrument; and
a bus reset issue controller that issues a bus reset that clears node topology information,
the port controller setting the second port to a disabled state and, after the second port is set to the disabled state, the
bus reset issue controller issuing the bus reset to cause the first electronic instrument connected with the first port to
acquire an access right.
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