Patent
1995-06-28
1999-04-20
Sheikh, Ayaz R.
395734, 395735, 395736, 395737, 3958001, 39580032, G06F 1300
Patent
active
058965408
ABSTRACT:
The object is to control an interrupt request to be asserted to a host in all of a prereading mode, a postreading mode, and a both-reading mode. Until the count value of a counter becomes equal to the content of a delay register, the reset state of a flip-flop is held and an IRQ is not asserted to the host. When the read signal of a status register is input through an OR gate to a flip-flop for a period in which the count value of the counter becomes equal to the content of the delay register, the flip-flop is set and the Q output remains held in a logic high state, as the postreading mode or the both-reading mode. When the counter value of the counter becomes equal to the content of the delay register, the output of a comparator will go low and the flip-flop will be reset, so that the IRQ is asserted to the host by a CDR.
REFERENCES:
patent: 4607328 (1986-08-01), Furukawa et al.
patent: 4945473 (1990-07-01), Holtey et al.
patent: 4947366 (1990-08-01), Johnson
patent: 5014237 (1991-05-01), Masters et al.
patent: 5233591 (1993-08-01), Nishihara
patent: 5457787 (1995-10-01), Asano et al.
patent: 5586292 (1996-12-01), Yamaguchi
patent: 5684997 (1997-11-01), Kau et al.
patent: 5727221 (1998-03-01), Walsh et al.
patent: 5784291 (1991-07-01), Chen et al.
Asano Hideo
Murakaami Masayuki
International Business Machines - Corporation
Sheikh Ayaz R.
Thlang Eric S.
LandOfFree
Method and apparatus for controlling data transfer between a hos does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for controlling data transfer between a hos, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for controlling data transfer between a hos will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2255002