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IT6263 Single Chip De-SSC
LVDS to HDMI Converter
Programming Guide
Ver 0.90
Mingchih, Lung
ITE Tech.
Last Update Date: 2010/08/18
History
Create by Lung, Ming-Chih 2010/08/18.
-i
Index
Chap 1 Introduce.......................................................................................................................1
Programming of IT6263 ...............................................................................................................................1
Chap 2 LVDS Initial..................................................................................................................2
LVDS side initial ..........................................................................................................................................2
Chap 3 HDMI Initial.................................................................................................................3
Chip Identifying............................................................................................................................................3
Reset internal circuit.....................................................................................................................................3
Enable clock ring..........................................................................................................................................3
Set default DVI mode and turn off all packet. ..............................................................................................3
Set default interrupt mask for event handling...............................................................................................3
Chap 4 Handling Interrupt........................................................................................................4
Chap 5 DDC Command Programming .....................................................................................7
Command – DDC Burst Read (0x0).............................................................................................................8
Get BKSV ................................................................................................................................................9
Get BCaps ................................................................................................................................................9
Get BStatus...............................................................................................................................................9
Get KSV FIFO List ................................................................................................................................10
Get V’.....................................................................................................................................................10
Command – EDID Read (0x3) ................................................................................................................... 11
Command – DDC FIFO Clear (0x9)........................................................................................................... 11
Command – Abort DDC Bus (0xF) ............................................................................................................12
Chap 6 Program Video Mode..................................................................................................13
Programming Input Signal..........................................................................................................................13
Setting DE Only and DE Generating..........................................................................................................13
Generate DE with Input Horizontal Sync and Vertical Sync Presented..................................................15
Generating Output H/V Sync and DE with Input Sync ..........................................................................15
De only mode.........................................................................................................................................16
Setting Color...............................................................................................................................................17
Deep Color Setting .....................................................................................................................................18
Analog Front End .......................................................................................................................................19
Reset Video after SetupAFE and FireAFE..................................................................................................20
DVI HDMI Mode .......................................................................................................................................20
Mute............................................................................................................................................................21
Video Pixel Repetition................................................................................................................................21
Invert Video Data Latch Edge.....................................................................................................................22
Chap 7 Program Audio Mode .................................................................................................23
IEC60958 Programming.............................................................................................................................23
Audio Clock Recovery (N/CTS) ............................................................................................................23
Audio Format .........................................................................................................................................25
Audio Channel Status.............................................................................................................................28
HBR (High Bit Rate)..................................................................................................................................29
DSD (One Bit Audio) .................................................................................................................................33
Chap 8 Activate HDCP ...........................................................................................................36
HDCP Progress...........................................................................................................................................36
A0 – Wait for active Rx..........................................................................................................................37
A1 – Exchange KSVs.............................................................................................................................38
A2 – Computations.................................................................................................................................38
A3 – Validate Receiver...........................................................................................................................38
A6 – Test for Repeater............................................................................................................................38
A8 – Wait for Ready...............................................................................................................................39
A9 – Read KSV List...............................................................................................................................39
A4 – Authenticated.................................................................................................................................40
A5 – Link Integrity Check......................................................................................................................40
Reset HDCP................................................................................................................................................40
Encryption ..................................................................................................................................................40
Chap 9 HDMI Infoframe/Package..........................................................................................41
HDMI Packet and CEA861/D Infoframe....................................................................................................42
General Control Package............................................................................................................................42
Infoframe....................................................................................................................................................44
AVI Infoframe.............................................................................................................................................44
Audio Infoframe .........................................................................................................................................45
MPEG InfoFrame.......................................................................................................................................46
SPD/VendorSpec/ISRC1/ISRC2/General Purpose .....................................................................................46
-ii
ACP register................................................................................................................................................46
Gamut.........................................................................................................................................................48
Chap 10 Software Interface.......................................................................................................50
Required Customer Providing Interface......................................................................................................50
ITE Provided Interface................................................................................................................................51
ITE Provided SubFunction. ........................................................................................................................55
IT6263 PROGRAMMING GUIDE
ITE Tech. Inc. -1- 2010/08/18
Chap 1 Introduce
IT6263 uses I
2
C bus to program its internal registers. The I
2
C slave address is defined as 0x98 when
PCADR pin (pin#50) is pulled low, otherwise it is 0x9A.
The I
2
C address to control the LVDS interface is programmable, which defined in reg1D and reg1E of
I
2
C address 0x98/0x9A.
Programming of IT6263
The programming of IT6263 is separated into following parts:
z
LVDS Initial
z
HDMI Initial.
z
DDC Command Programming
z
Interrupt Handling.
z
Program video mode.
z
Program audio mode.
z
Activate HDCP
z
Infoframe Programming
And provide
software sample interface.
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