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Número de pieza | ADV7513 | |
Descripción | Low-Power HDMI 1.4A Compatible Transmitter PROGRAMMING GUIDE | |
Fabricantes | Analog Devices | |
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No Preview Available ! ADV7513
Low-Power HDMI 1.4A Compatible Transmitter
PROGRAMMING
GUIDE
- Revision B–
March 2012
http://www.Datasheet4U.com
1 page PROGRAMMING GUIDE
ADV7513
4.6.3 For Use in a Repeater................................................................................................................................................................................................... 97
4.6.4 Software Implementation............................................................................................................................................................................................ 97
4.6.5 AV Mute ........................................................................................................................................................................................................................ 98
4.6.6 HDCP Delay Control .................................................................................................................................................................................................. 98
4.7 Power Management ........................................................................................................................................................................................................... 102
4.7.1 Main Power-Down..................................................................................................................................................................................................... 102
4.7.2 Additional Power Down Methods........................................................................................................................................................................... 103
4.8 CEC Processing.................................................................................................................................................................................................................. 104
4.8.1 CEC Addressing ......................................................................................................................................................................................................... 105
4.8.2 CEC Transmitter ........................................................................................................................................................................................................ 105
4.8.2.1 CEC Transmitter Setup and Control .......................................................................................................................................106
4.8.2.2 CEC Transmitter Interrupt Handling......................................................................................................................................106
4.8.3 CEC Receiver.............................................................................................................................................................................................................. 109
4.8.3.1 CEC Receiver Setup and Control.............................................................................................................................................109
4.8.3.2 CEC Receiver Message Processing and Interrupt Handling ................................................................................................109
4.8.3.3 Handling CEC Initiators with non-compliant EOM.............................................................................................................113
4.8.4 Typical Operation Flow............................................................................................................................................................................................. 118
4.8.4.1 CEC Acting as an Initiator:.......................................................................................................................................................118
4.8.4.2 CEC Acts as a Follower: ............................................................................................................................................................119
4.8.5 CEC System Control.................................................................................................................................................................................................. 119
4.8.6 CEC System Power and CDC Control .................................................................................................................................................................... 119
4.8.7 CEC Timing Control ................................................................................................................................................................................................. 119
4.9 HDCP/EDID Controller................................................................................................................................................................................................... 128
4.9.1 ADV7513 EDID/HDCP Support Features.............................................................................................................................................................128
4.10 Interrupt Handling............................................................................................................................................................................................................129
4.10.1 Wake Up Opcodes ..................................................................................................................................................................................................... 130
4.10.2 Hot Plug Detect ..........................................................................................................................................................................................................130
4.10.3 Monitor Sense.............................................................................................................................................................................................................130
4.10.4 Active Vsync Edge ..................................................................................................................................................................................................... 130
4.10.5 Audio FIFO Full .........................................................................................................................................................................................................130
4.10.6 Embedded Sync Parity Error....................................................................................................................................................................................131
4.10.7 EDID Ready ................................................................................................................................................................................................................131
4.10.8 HDCP Authenticated ................................................................................................................................................................................................131
4.10.9 HDCP Error................................................................................................................................................................................................................131
4.10.10 BKSV Flag...............................................................................................................................................................................................................131
4.10.11 CEC Tx Ready Flag ...............................................................................................................................................................................................131
4.10.12 CEC Tx Arbitration Lost Flag.............................................................................................................................................................................. 131
Page 5 of 188
Rev. B
5 Page PROGRAMMING GUIDE
SECTION 1 - INTRODUCTION
ADV7513
1.1 Scope and Organization
1.1.1
Organization
This document is intended to help a programmer understand the details of the operation of the ADV7513. It is divided into
sections:
▶ Section 2 -References- is a list of other references, which will be helpful when designing with the HDMI Transmitter.
▶ Section 3 -Quick Start Guide- provides a reference to commonly used registers divided by function.
▶ Section 4 -Programming Tasks- is divided into common programming tasks. This section includes references to
registers and detailed descriptions of the method to accomplish the task. For some tasks, the needed registers will be
spread throughout the map, so this section helps the user locate the registers.
▶ Section 5 -Register Mapscontains the complete register maps - The main register map contains cross-reference links to
sections within the document that contain the relevant details on using each bit described.
1.1.2
Use of Register Bits
Different bits on a single byte may have various functions. ▶ Section 4 -Programming Tasks may refer to an isolated bit.
Using a “read, modify, write” method when changing the value of these bits is recommended to guarantee that other bits in
the register will not be affected. To find the functions of other bits in the byte, refer to ▶ Section 5 -Register Maps, where the
Reference column points to the section with more detailed information about the register.
1.1.3
Register Types
Registers that do not have a defined functionality will be one of three types:
Fixed
Value may need to be set one time, but should never be changed.
Reserved
Register exists, but has no function.
Not Used
Register does not exist and will always be read back as 0. Any register not defined in the
complete register map fits this description.
1.1.4
Format Standards
In this document, ADI has chosen to represent data in the following ways:
0xNN
Hexadecimal (base-16) numbers are represented using the “C” language notation,
preceded by 0x.
0bNN
Binary (base-2) numbers are represented using “C” language notation, preceded by 0b.
NN Decimal (base-10) numbers are represented using no additional prefixes or suffixes.
Bit Bits are numbered in little-endian format; i.e., the least-significant bit of a byte or word is
referred to as bit 0.
Bit descriptions in the register maps are assumed to be binary.
1.1.5
Links
There are many links in this document to help with navigation. Use a mouse click to follow a link, and use the Alt key + left
arrow key to return.
Page 11 of 188
Rev. B
11 Page |
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