Multiplex communications – Communication techniques for information carried in plural... – Assembly or disassembly of messages having address headers
Reexamination Certificate
2004-03-10
2008-10-28
Nguyen, Brian D (Department: 2616)
Multiplex communications
Communication techniques for information carried in plural...
Assembly or disassembly of messages having address headers
C370S412000, C712S042000
Reexamination Certificate
active
07443885
ABSTRACT:
A device that supports a plurality n of message objects, including a plurality of registers associated with each message object, including at least one object match ID register that contains a multi-bit object match ID field, and at least one object mask register that contains a multi-bit object mask field; and, a CAN/CAL module that processes incoming messages. The CAN/CAL module assembles a multi-bit screener ID from selected bits of each incoming message to be acceptance filtered, compares the bits comprising the screener ID with corresponding bits of the object match ID field associated with each of at least designated ones of the message objects, disregarding any bits of each object match ID field that are masked by corresponding bits of the associated object mask field, and then determines whether any of the comparisons results in a match.
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National Semiconductor COP884BC/COP885BC 8-Bit SMOS ROM Based Microcontrollers with 2k Memory, Comparators, and CAN Interface.
National Semiconductor COP884BC/COP885BC 8-Bit SMOS ROM Based Microcontrollers with 2k Memory, Comparators, and CAN Interface, Sep. 1999.
Birns Neil Edward
Fabbri Richard
Hao Hong Bin
Slivkoff William J.
Nguyen Brian D
NXP B.V.
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