Can interface selecting one of two distinct fault recovery metho

Details Can interface selecting one of two distinct fault recovery metho Can interface selecting one of two distinct fault recovery metho

1993-08-24

1996-11-12

Lee, Thomas C.

Excavating

39520001, 371 51, G06F 1300

Patent

active

055748481

ABSTRACT:
A CAN node with a CAN protocol controller device reconnects to a CAN bus from the node's busoff state only after the node has successfully decoded a plurality of good messages from other devices on the CAN bus. Reception of a plurality of good messages advantageously provides a CAN protocol controller device which exits its busoff state with a high degree of confidence that the fault that caused the node to enter the busoff state has been cleared.

REFERENCES:
patent: 5111460 (1992-05-01), Botzenhardt et al.
patent: 5357518 (1994-10-01), Peter
A. Raab, "Can-Controller Area Network." Elector Electronics, vol. 18, No. 203 (Sep. 1992), Canterbury GB, pp. 56-59.
Motorola Ltd., Motorola Product Specification Booklet, "MC68HC05X4, MC68HC705X4: High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit", 1992, 81 pgs.
Robert Bosch GmbH, "CAN Specification, Version 2.0", Sep. 1991, pp. Part B-33 through Part B-68.
Philips Semiconductors, "Preliminary Product Specification, Version 2.0", Jun. 1992, pp. 1 through 58.

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