The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2023
Filed:
Feb. 11, 2021
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventor:
Takuro Nishikawa, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 67/12 (2022.01); H04L 12/40 (2006.01); H04L 49/90 (2022.01);
U.S. Cl.
CPC ...
H04L 67/12 (2013.01); H04L 12/40013 (2013.01); H04L 12/40202 (2013.01); H04L 49/9042 (2013.01); H04L 2012/40215 (2013.01);
Abstract
A data processing device includes a first CPU (Central Processing Unit), a first memory, a CAN (Controller Area Network) controller and a system bus coupled to the first CPU, the first memory and the CAN controller, wherein the CAN controller comprises a receive buffer that stores a plurality of messages each of which has a different ID, and a DMA (Direct Memory Access) controller that selects the latest message among messages having a fist ID stored in the receive buffer and transfers the selected latest message to the first memory, wherein the message is one of CAN, CAN FD and CAN XL messages.