Analog Devices AD9380 Manual page 31

Hex Read/Write
Address or Read-Only
0x62 Read
0x7B Read
0x7C Read
0x7D Read
Read
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0x7E Read
0x7F Read
0x80 Read
0x81 Read
0x82 Read
Default
Bits Value Register Name
[3:0] Word Length
[7:0] CTS [19:12]
[7:0] CTS [11:4]
[7:4] CTS [3:0]
[3:0] N [19:16]
[7:0] N [15:8]
[7:0] N [7:0]
[7:0] AVI Infoframe Version
[6:5]
4 Active Format
Information Status
[3:2] Bar Information
[1:0] Scan Information
[7:6] Colorimetry
[5:4] Picture Aspect Ratio
Description
1100 = 176.4 kHz.
0010 = 48k Hz.
1010 = 96 kHz.
1110 = 192 kHz.
Word length.
0000 = not specified.
0100 = 16 bits.
0011 = 17 bits.
0010 = 18 bits.
0001 = 19 bits.
0101 = 20 bits.
1000 = not specified.
1100 = 20 bits.
1011 = 21 bits.
1010 = 22 bits.
1001 = 23 bits.
1101 = 24 bits.
Cycle time stamp—this 20-bit value is used with the N value to
regenerate an audio clock. For remaining bits, see Register 0x7C
and Register 0x7D.
See R0x7B.
See R0x7B.
20-bit N used with CTS to regenerate the audio clock. For
remaining bits, see Register 0x7E and Register 0x7F.
AVI Infoframe
Y [1:0] indicates RGB, 4:2:2 or 4:4:4.
00 = RGB.
01 = YCbCr 4:2:2.
10 = YCbCr 4:4:4.
Active format information present.
0 = no data.
1 = active format information valid.
B [1:0].
00 = no bar information.
01 = horizontal bar information valid.
10 = vertical bar information valid.
11 = horizontal and vertical bar information valid.
S [1:0].
00 = no information.
01 = overscanned (television).
10 = underscanned (computer).
C [1:0].
00 = no data.
01 = SMPTE 170M, ITU601.
10 = ITU709.
M [1:0].
00 = no data.
01 = 4:3.
10 = 16:9.
Rev. 0 | Page 31 of 60
AD9380