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CEA-936-A

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This is an old revision of this page, as edited by Cydebot (talk | contribs) at 10:41, 4 July 2013 (Robot - Speedily moving category Universal Serial Bus to Category:USB per CFDS.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

CEA-936-A (USB Carkit Specification) is a CEA standard to allow the use of a mini-USB connector for UART and analog audio signals. It is intended to allow connection of a mobile phone to analog hands-free car kits, chargers, and other RS-232 devices.

From the mobile phone side, the USB D- wire is used as either the USB D- signal, the UART Transmit data signal, the left stereo speaker audio channel, or the mono speaker audio channel, and the USB D+ wire is used as either the USB D+ signal, the UART Receive data signal, the right stereo speaker audio channel, or the mono microphone audio channel.

carkit specification also finds optional support in ULPI specification for off chip USB Physical layer ICs.

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