TDA19989AET/C181:5 NXP Semiconductors, TDA19989AET/C181:5 Datasheet
TDA19989AET/C181:5
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TDA19989AET/C181:5 Summary of contents
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AN10920 Using CEC with TDA19989 Rev. 01 — 19 April 2010 Document information Info Content Keywords HDMI, CEC internal clock calibration, CEC data registers, contiguous CEC read, write, message transfer Abstract This application note provides important advice to ensure that ...
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... NXP Semiconductors Revision history Rev Date Description 01 20100419 Initial version Contact information For more information, please visit: For sales office addresses, please send an email to: AN10920_1 Application note http://www.nxp.com salesaddresses@nxp.com All information provided in this document is subject to legal disclaimers. Rev. 01 — 19 April 2010 ...
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... NXP Semiconductors 1. Introduction The TDA19989 is a 150 MHz pixel rate HDMI 1.3a transmitter with 3 × 8-bit video inputs that includes an embedded feature which enables it to support the Consumer Electronic Control (CEC) protocol. CEC operates over a bidirectional single-wire bus allowing communication of CEC-enabled AV products, connected by HDMI, over the home-appliance network using a single remote control ...
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... NXP Semiconductors Fig 1. 3. CEC data registers CEC message data must be transferred contiguously and not in fragments. This requires the CEC data registers in the TDA19989 to be written or read in one communication sequence between a START bit and a STOP bit. The CEC data registers are located at addresses 07h to 19h ...
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... NXP Semiconductors 3.1 Writing to the CEC data registers All CEC data write operations must start by addressing the first CEC data register CDR[0] at address 07h. CDR[0] indicates the number of CEC register bytes that are to be written to accommodate the complete message. These bytes are written contiguously. ...
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... NXP Semiconductors Fig 3. 4. Abbreviations Table 1. Acronym AV CEC HDMI AN10920_1 Application note S 68h A 07h A R 69h S = START bit Acknowledge bit STOP bit Re-START bit. TDA19989 CEC data register read example Abbreviations Description Audio Visual Consumer Electronic Control High Definition Multimedia Interface All information provided in this document is subject to legal disclaimers. Rev. 01 — ...
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... Terms and conditions of commercial sale of NXP Semiconductors. Right to make changes — NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice ...
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... NXP Semiconductors 6. Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 CEC internal clock calibration . . . . . . . . . . . . . 3 3 CEC data registers 3.1 Writing to the CEC data registers . . . . . . . . . . . 5 3.2 Reading the CEC data registers . . . . . . . . . . . . 5 4 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Legal information 5.1 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.2 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.3 Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.4 Trademarks Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Using CEC with TDA19989 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘ ...