G - Physics – 06 – F
Patent
G - Physics
06
F
354/105
G06F 13/38 (2006.01) H03M 9/00 (2006.01)
Patent
CA 2025752
METHOD AND APPARATUS FOR COMMUNICATING AN ADDRESS FROM A PERIPHERAL DEVICE TO A HOST COMPUTER Abstract of the Disclosure An address transfer scheme. A serial communications card (11) provides standard and enhanced communications functions. The user sets switches (61) to select the I/O address at which the enhanced features may be accessed. Upon reset the processor (23) reads the switches (61) and loads a corresponding value into the scratchpad register (14a) of a first universal asynchronous receiver transmitter (UART) (14). The enhanced applications program in the host (10) reads the value in the register (14a) to determine the I/O address location of the enhanced functions. If the value is not an allowed value the host (10) treats the card (11) as a standard card. If the value is valid the host (10) accesses the enhanced functions at the specified I/O address. The applications program is therefore compatible with standard and enhanced serial communications cards. Also, the enhanced card is compatible with standard and enhanced applications programs. 04050-1-0855
Jerrim John W.
Swanson Scott C.
Finlayson & Singlehurst
Hayes Microcomputer Products Inc.
Jerrim John W.
Swanson Scott C.
LandOfFree
Method and apparatus for communicating an address from a... 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 communicating an address from a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for communicating an address from a... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1796514