AD9398SLASHPCB datasheet(31/44 Pages) AD

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AD9398

Rev. 0 | Page 31 of 44

0x5E—Bits[7:6] Channel Status Mode

0x5E—Bits[5:3] PCM Audio Data

0x5E—Bit[2] Copyright Information

0x5E—Bit[1] Linear PCM Identification

0x5E—Bit[0] Use of Channel Status Block

0x5F—Bits[7:0] Channel Status Category Code

0x60—Bits[7:4] Channel Number

0x60—Bits[3:0] Source Number

0x61—Bits[5:4] Clock Accuracy

0x61—Bits[3:0] Sampling Frequency

Table 21.

Code

Frequency (kHz)

0x0

44.1

0x2

0x3

0x8

88.2

0xA

0xC

176.4

0xE

192

0x62—Bits[3:0] Word Length

0x7B—Bits[7:0] CTS (Cycle Time Stamp) (19:12)

These are the most significant 8 bits of a 20-bit word used in the

20-bit N term in the regeneration of the audio clock.

0x7C—Bits[7:0] CTS (11:4)

0x7D—Bits[7:4] CTS (3:0)

0x7D—Bits[3:0] N (19:16)

These are the most significant 4 bits of a 20-bit word used along

with the 20-bit CTS term to regenerate the audio clock.

0x80—AVI Infoframe Version

0x81—Bits[6:5] Y[1:0]

This register indicates whether data is RGB, 4:4:4, or 4:2:2.

Table 22.

Video Data

RGB

YCbCr 4:2:2

YCbCr 4:4:4

0x81—Bit[4] Active Format Information Present

0 = no data.1 = active format information valid.

0x81—Bits[3:2] Bar Information

Table 23.

Bar Type

No bar information

Horizontal bar information valid

Vertical bar information valid

Horizontal and vertical bar information valid

0x81—Bits[1:0] Scan Information

Table 24.

S [1:0]

Scan Type

No information

Overscanned (television)

Underscanned (computer)

0x82—Bits[7:6] Colorimetry

Table 25.

C [1:0]

Colorimetry

No data

SMPTE 170M, ITU601

ITU 709

0x82—Bits[5:4] Picture Aspect Ratio

Table 26.

M[1:0]

Aspect Ratio

No data

4:3

16:9

0x82—Bits[3:0] Active Format Aspect Ratio

Table 27.

R [3:0]

Active Format A/R

0x8

Same as picture aspect ratio (M [1:0])

0x9

4:3 (center)

0xA

16:9 (center)

0xB

14:9 (center)

0x83—Bits[1:0] Nonuniform Picture Scaling

Table 28.

SC [1:0]

Picture Scaling

No known nonuniform scaling

Has been scaled horizontally

Has been scaled vertically

Has been scaled both horizontally and vertically

0x84—Bits[6:0] Video ID Code

See CEA EDID short video descriptors.

0x85—Bits[3:0] Pixel Repeat

This value indicates how many times the pixel was repeated. 0x0

= no repeats, sent once, 0x8 = 8 repeats, sent 9 times, and so on.

0x86—Bits[7:0] Active Line Start LSB

Combined with the MSB in Register 0x88, these bits indicate

the beginning line of active video. All lines before this comprise

a top horizontal bar. This is used in letter box modes. If the 2-

byte value is 0x00, there is no horizontal bar.

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