×

Method for conserving power in a can microcontroller and a can microcontroller that implements this method

  • US 6,728,892 B1
  • Filed: 12/30/1999
  • Issued: 04/27/2004
  • Est. Priority Date: 09/15/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for conserving power in a CAN microcontroller, formed by a single integrated circuit (IC), that includes a processor core and a CAN/CAL module that includes a plurality of sub-blocks that cooperatively function to process incoming CAL/CAN messages, the method comprising the steps of:

  • placing the processor core in a power-reduction mode of operation;

    placing the CAN/CAL module in a power-reduction mode of operation; and

    , activating the CAN/CAL module to process an incoming CAL/CAN message, thereby terminating the power-reduction mode of operation thereof, while the processor core is in its power-reduction mode of operations;

    wherein the CAN/CAL module is placed in the power-reduction mode of operation only after each respective sub-block of the plurality of sub-blocks of the CAN/CAL module indicates a current inactive state, said processor core indicates a current inactive state, and no incoming CAL/CAN message is detected.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×