TDA9983BHWSLASH15SLASHC1 datasheet(71/119 Pages) NXP

71 / 119 page

TDA9983B_1

Product data sheet

Rev. 01 — 20 May 2008

71 of 119

NXP Semiconductors

TDA9983B

150 MHz pixel rate HDMI transmitter

9.6.2 Auxiliary video information InfoFrame registers

Below is an example of use. Please refer to

EIA/CEA-861B speciﬁcation and HDMI 1.2a

speciﬁcation for the correct deﬁnition of data bytes.

37h

VSP_IF_BYTE20

7 to 0 VSP_IF_PB20[7:0]

R/W

00h*

byte 20

38h

VSP_IF_BYTE21

7 to 0 VSP_IF_PB21[7:0]

R/W

00h*

byte 21

39h

VSP_IF_BYTE22

7 to 0 VSP_IF_PB22[7:0]

R/W

00h*

byte 22

3Ah

VSP_IF_BYTE23

7 to 0 VSP_IF_PB23[7:0]

R/W

00h*

byte 23

3Bh

VSP_IF_BYTE24

7 to 0 VSP_IF_PB24[7:0]

R/W

00h*

byte 24

3Ch

VSP_IF_BYTE25

7 to 0 VSP_IF_PB25[7:0]

R/W

00h*

byte 25

3Dh

VSP_IF_BYTE26

7 to 0 VSP_IF_PB26[7:0]

R/W

00h*

byte 26

3Eh

VSP_IF_BYTE27

7 to 0 VSP_IF_PB27[7:0]

R/W

00h*

byte 27

Table 84.

VSP_IF_xx registers (address 20h to 3Eh) bit description …continued

Legend: * = default value

Address Register

Bit

Symbol

Access

Value Description

Table 85.

AVI_IF_xx registers (address 40h to 5Eh) bit description

Legend: * = default value

Address Register

Bit

Symbol

Access Value

Description

40h

AVI_IF_TYPE

7 to 0 AVI_IF_TYPE[7:0]

R/W

82h*

auxiliary video information InfoFrame

packet type: gives the packet type of the

auxiliary video information InfoFrame

packet (80h + InfoFrame type code as

per

EIA/CEA-861B)

41h

AVI_IF_VERSION

7 to 0 AVI_IF_VERSION[7:0]

R/W

00h*

auxiliary video information InfoFrame

version: gives the version number of the

auxiliary video information InfoFrame

42h

AVI_IF_LENGTH

7 to 5 x

R/W

000*

reserved (shall be 000)

4 to 0 AVI_IF_LENGTH[4:0]

R/W

0000*

auxiliary video information InfoFrame

length: gives the number of data bytes

for the auxiliary video information

InfoFrame; this length does not include

the checksum

43h

AVI_IF_

CHECKSUM

7 to 0 AVI_IF_

CHECKSUM[7:0]

R/W

00h*

auxiliary video information InfoFrame

checksum: shall be calculated such that

a byte-wide sum of all three bytes of the

packet header and all valid bytes of the

auxiliary video information InfoFrame

packet contents (determined by

InfoFrame length) plus the checksum

itself equals 0

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