TDA9983BHW/8/C1,51 Datasheet TDA9983BHW/8/C1,55, TDA9983BHW/15/C1:5, TDA9983BHW/8/C1,51 | P76-P78

Product data sheet Rev. 01 — 20 May 2008 76 of 119

NXP Semiconductors

TDA9983B

150 MHz pixel rate HDMI transmitter

9.6.4 Audio 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.

7Ch SPD_IF_BYTE25 7 to 0 SPD_IF_SDI[7:0] R/W source product description

InfoFrame source device

information: source device

information

00h* unknown

01h digital STB

02h DVD

03h D-VHS

04h HDD video

05h DVC

06h DSC

07h video CD

08h game

09h PC general

source product description

InfoFrame data byte

7Dh SPD_IF_BYTE26 7 to 0 SPD_IF_BYTE26[7:0] R/W 00h* data byte 26

7Eh SPD_IF_BYTE27 7 to 0 SPD_IF_BYTE27[7:0] R/W 00h* data byte 27

Table 86. SPD_IF_xx registers (address 60h to 7Eh) bit description

…continued

Legend: * = default value

Address Register Bit Symbol Access Value Description

Table 87. AUD_IF_xx registers (address 80h to 9Eh) bit description

Legend: * = default value

Address Register Bit Symbol Access Value Description

80h AUD_IF_TYPE 7 to 0 AUD_IF_TYPE[7:0] R/W 84h* audio InfoFrame packet type:

gives the packet type of the audio

InfoFrame packet (80h +

InfoFrame type code as per

EIA/CEA-861B

)

81h AUD_IF_VERSION 7 to 0 AUD_IF_

VERSION[7:0]

R/W 00h* audio InfoFrame version: gives

the version number of the audio

InfoFrame

82h AUD_IF_LENGTH 7 to 5 x R/W 000* reserved (shall be zero)

4 to 0 AUD_IF_LENGTH[4:0] R/W 0 0000* audio InfoFrame length: gives

the number of data bytes for the

audio InfoFrame; this length does

not include the checksum

83h AUD_IF_CHECKSUM 7 to 0 AUD_IF_

CHECKSUM[7:0]

R/W 00h* audio 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 audio InfoFrame

packet contents (determined by

InfoFrame length) plus the

checksum itself equals 0

Product data sheet Rev. 01 — 20 May 2008 77 of 119

NXP Semiconductors

TDA9983B

150 MHz pixel rate HDMI transmitter

84h AUD_IF_BYTE1 7 to 4 AUD_IF_CT[3:0] R/W audio InfoFrame coding type:

audio coding type

0000* refer to stream header

0001 IEC 60958 PCM

0010 AC-3

0011 MPEG1

0100 MP3

0101 MPEG2

0110 AAC

0111 DTS

1000 ATRAC

other undeﬁned

3 reserved R/W 0* reserved bit

2 to 0 AUD_IF_CC[2:0] R/W audio InfoFrame channel count:

audio channel count

000* refer to stream header

001 2 channels

010 3 channels

011 4 channels

100 5 channels

101 6 channels

110 7 channels

111 8 channels

85h AUD_IF_BYTE2 7 to 5 reserved R/W 000* reserved (shall be zero)

4 to 2 AUD_IF_SF[2:0] R/W audio InfoFrame sampling

frequency: sampling frequency

000* refer to stream header

001 32 kHz

010 44.1 kHz (CD)

011 48 kHz

100 88.2 kHz

101 96 kHz

110 176.4 kHz

111 192 kHz

1 to 0 AUD_IF_SS[1:0] R/W audio InfoFrame sample size:

sample size

00* refer to stream header

01 16 bits

10 20 bits

11 24 bits

Table 87. AUD_IF_xx registers (address 80h to 9Eh) bit description

…continued

Legend: * = default value

Address Register Bit Symbol Access Value Description

Product data sheet Rev. 01 — 20 May 2008 78 of 119

NXP Semiconductors

TDA9983B

150 MHz pixel rate HDMI transmitter

86h AUD_IF_BYTE3 7 to 0 AUD_IF_BYTE3[7:0] R/W 00h* audio InfoFrame data byte 3:

value × 8 kHz = maximum bit rate

of audio stream (compressed

audio format)

87h AUD_IF_BYTE4 7 to 0 AUD_IF_CA[7:0] R/W 00h* audio InfoFrame channel

allocation: channel allocation

(LPCM)

88h AUD_IF_BYTE5 7 AUD_IF_DM_INH R/W audio InfoFrame down-mix

inhibit ﬂag: down-mix inhibit ﬂag

0* permitted or no information

about any assertion of this

1 prohibited

6 to 3 AUD_IF_LSV[3:0] R/W audio InfoFrame level shift

value: level shift value

0000* 0 dB

0001 1 dB

0010 2 dB

0011 3 dB

1000 4 dB

1111 15 dB

2 to 0 reserved R/W 000* reserved (shall be 000h)

audio InfoFrame data byte x:

x = 6 to 27

89h AUD_IF_BYTE6 7 to 0 AUD_IF_BYTE6[7:0] R/W 00h* byte 6: reserved (shall be zero)

8Ah AUD_IF_BYTE7 6 to 0 AUD_IF_BYTE7[7:0] R/W 00h* byte 7: reserved (shall be zero)

8Bh AUD_IF_BYTE8 6 to 0 AUD_IF_BYTE8[7:0] R/W 00h* byte 8: reserved (shall be zero)

8Ch AUD_IF_BYTE9 6 to 0 AUD_IF_BYTE9[7:0] R/W 00h* byte 9: reserved (shall be zero)

8Dh AUD_IF_BYTE10 7 to 0 AUD_IF_BYTE10[7:0] R/W 00h* byte 10: reserved (shall be zero)

8Eh AUD_IF_BYTE11 7 to 0 AUD_IF_BYTE11[7:0] R/W 00h* byte 11: reserved (shall be zero)

8Fh AUD_IF_BYTE12 7 to 0 AUD_IF_BYTE12[7:0] R/W 00h* byte 12: reserved (shall be zero)

90h AUD_IF_BYTE13 7 to 0 AUD_IF_BYTE13[7:0] R/W 00h* byte 13: reserved (shall be zero)

91h AUD_IF_BYTE14 7 to 0 AUD_IF_BYTE14[7:0] R/W 00h* byte 14: reserved (shall be zero)

92h AUD_IF_BYTE15 7 to 0 AUD_IF_BYTE15[7:0] R/W 00h* byte 15: reserved (shall be zero)

93h AUD_IF_BYTE16 7 to 0 AUD_IF_BYTE16[7:0] R/W 00h* byte 16: reserved (shall be zero)

94h AUD_IF_BYTE17 7 to 0 AUD_IF_BYTE17[7:0] R/W 00h* byte 17: reserved (shall be zero)

95h AUD_IF_BYTE18 7 to 0 AUD_IF_BYTE18[7:0] R/W 00h* byte 18: reserved (shall be zero)

96h AUD_IF_BYTE19 7 to 0 AUD_IF_BYTE19[7:0] R/W 00h* byte 19: reserved (shall be zero)

97h AUD_IF_BYTE20 7 to 0 AUD_IF_BYTE20[7:0] R/W 00h* byte 20: reserved (shall be zero)

98h AUD_IF_BYTE21 7 to 0 AUD_IF_BYTE21[7:0] R/W 00h* byte 21: reserved (shall be zero)

99h AUD_IF_BYTE22 7 to 0 AUD_IF_BYTE22[7:0] R/W 00h* byte 22: reserved (shall be zero)

9Ah AUD_IF_BYTE23 7 to 0 AUD_IF_BYTE23[7:0] R/W 00h* byte 23: reserved (shall be zero)

Table 87. AUD_IF_xx registers (address 80h to 9Eh) bit description

…continued

Legend: * = default value

Address Register Bit Symbol Access Value Description

TDA9983BHW/8/C1,51

Mfr. #:

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Manufacturer:

NXP Semiconductors

Description:

IC HDMI TX 81MHZ 80-HTQFP

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TDA9983BHW/8/C1,51

TDA9983BHW/8/C1,51

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