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公开(公告)号：US09858225B2
公开(公告)日：2018-01-02
申请号：US14978819
申请日：2015-12-22
Applicant: Richtek Technology Corp.
Inventor： Chien-Chih Huang , Chia-Hwa Chan , Tsung-Nan Wu
CPC classification number: G06F13/385 , G06F1/00 , G06F3/061 , G06F3/0659 , G06F3/0679 , G06F13/4282 , G06F2213/0042 , G06F2213/3804
Abstract: A method for reading/writing a chip in a USB type-C cable comprises converting a read/write command into unstructured vendor defined message (UVDM) that is conforming to a USB power delivery specification. Such UVDM will be delivered to the chip via a type-C configuration channel interface. The chip analyzes the UVDM to acquire the read/write command and reads or modifies the content of a non-volatile memory in the chip according to the read/write command. Due to use of the type-C configuration channel interface, which is inherent in the USB type-C cable, to read/write the chip, it needs no extra interface which otherwise increases costs.
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公开(公告)号：US09779048B2
公开(公告)日：2017-10-03
申请号：US15153443
申请日：2016-05-12
Applicant: Richtek Technology Corp.
Inventor： Chien-Chih Huang , Chia-Hwa Chan , Tsung-Nan Wu
CPC classification number: G06F13/385 , G06F1/00 , G06F3/061 , G06F3/0659 , G06F3/0679 , G06F13/4282 , G06F2213/0042 , G06F2213/3804
Abstract: A method for reading/writing a chip in a USB type-C cable comprises converting a read/write command into unstructured vendor defined message (UVDM) that is conforming to a USB power delivery specification. Such UVDM will be delivered to the chip via a type-C configuration channel interface. The chip analyzes the UVDM to acquire the read/write command and reads or modifies the content of a non-volatile memory in the chip according to the read/write command. Due to use of the type-C configuration channel interface, which is inherent in the USB type-C cable, to read/write the chip, it needs no extra interface which otherwise increases costs.
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