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.

Date of Patent:
Jan. 11, 2022

Filed:

Aug. 20, 2020
Applicant:

Microchip Technology Incorporated, Chandler, AZ (US);

Inventor:

Vincent Quiquempoix, Divonne-les-Bains, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/42 (2006.01); G06F 13/40 (2006.01); G06F 13/20 (2006.01);
U.S. Cl.
CPC ...
G06F 13/20 (2013.01); G06F 13/4068 (2013.01); G06F 13/4247 (2013.01); G06F 13/4256 (2013.01); G06F 13/4282 (2013.01); G06F 13/4291 (2013.01);
Abstract

A node in a daisy chain includes a serial data input port configured to receive input from an electronic device, a serial data output port configured to send output to another electronic device, a chip select input port configured to receive input from a master control unit, a timer, and an interface circuit. The interface circuit may be configured to, in a daisy chain mode, copy data received at the serial data input port to the serial data output port, and upon receipt of a changed edge of a chip select signal on the chip select input port, initiate the timer. The interface circuit may be configured to, upon the completion of a time to be determined by the timer, enter the daisy chain mode.


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