Analog Devices ADV7850 Hardware Manual page 9

13.10 EDID/HDCP C
13.11 V S
IDEO ETUP
Input Format .............................................................................................................................................................. 356
13.11.1
Video Mode Detection ................................................................................................................................................ 356
13.11.2
Pixel Repetition ........................................................................................................................................................... 357
13.11.3
Video Related Packets and InfoFrames ..................................................................................................................... 358
13.11.4
AVI InfoFrame ........................................................................................................................................................... 358
13.11.5
MPEG InfoFrame ....................................................................................................................................................... 359
13.11.6
Gamut Metadata ........................................................................................................................................................ 360
13.11.7
13.12 A S
UDIO ETUP
Input Format .............................................................................................................................................................. 362
13.12.1
I2S Audio .................................................................................................................................................................... 363
13.12.2
SPDIF Audio ............................................................................................................................................................... 368
13.12.3
DSD Audio.................................................................................................................................................................. 369
13.12.4
HBR Audio ................................................................................................................................................................. 369
13.12.5
N and CTS Parameters............................................................................................................................................... 370
13.12.6
N Parameter ............................................................................................................................................................... 371
13.12.7
CTS Parameter ........................................................................................................................................................... 371
13.12.8
Recommended N and Expected CTS Values ............................................................................................................. 371
13.12.9
Audio Sample Packets ................................................................................................................................................ 373
13.12.10
Audio InfoFrame ........................................................................................................................................................ 377
13.12.11
Audio Content Protection Packet .............................................................................................................................. 378
13.12.12
ISRC Packet ................................................................................................................................................................ 379
13.12.13
13.13 EDID H
ANDLING
Reading the EDID ...................................................................................................................................................... 380
13.13.1
EDID Definitions ........................................................................................................................................................ 381
13.13.2
Additional Segments................................................................................................................................................... 381
13.13.3
EDID_TRIES Control ................................................................................................................................................. 382
13.13.4
EDID_REREAD Control ............................................................................................................................................ 382
13.13.5
13.14 HDCP H
ANDLING
One Sink And No Upstream Devices ......................................................................................................................... 382
13.14.1
Multiple Sinks and No Upstream Devices ................................................................................................................. 384
13.14.2
Software Implementation ........................................................................................................................................... 385
13.14.3
AV Mute ..................................................................................................................................................................... 386
13.14.4
14 REGISTER ACCESS AND SERIAL PORTS DESCRIPTION ............................................................................................ 388
14.1 M I C P
2
AIN ORT
Register Access ............................................................................................................................................................ 388
14.1.1
Protocol for Main I
14.1.2
14.2 DDC P ................................................................................................................................................................................... 389
ORTS
I C Protocols for Access to the Internal E-EDID ....................................................................................................... 389
2
14.2.1
I C Protocols for Access to HDCP Registers ............................................................................................................... 390
2
14.2.2
DDC Port A ................................................................................................................................................................ 390
14.2.3
DDC Port B ................................................................................................................................................................. 390
14.2.4
DDC Port C ................................................................................................................................................................ 391
14.2.5
DDC Port D ................................................................................................................................................................ 391
14.2.6
15 INTERRUPTS ...................................................................................................................................................................... 392
15.1 I A
NTERRUPT
15.2 I P
NTERRUPT
Interrupt Duration ..................................................................................................................................................... 392
15.2.1
Rev. A May 2012
E C
ONTROLLER RROR ODES
.................................................................................................................................................................................. 356
................................................................................................................................................................................. 362
.......................................................................................................................................................................... 380
......................................................................................................................................................................... 382
.............................................................................................................................................................................. 388
C Port ......................................................................................................................................... 389
2
O
RCHITECTURE VERVIEW
............................................................................................................................................................................. 392
INS
................................................................................................................................ 355
...................................................................................................................................... 392
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ADV7850