AD9889 Analog Devices, AD9889 Datasheet - Page 10

• Manufacturer Part Number: AD9889
• Description: High Performance HDMI/DVI Transmitter
• Manufacturer: Analog Devices

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AD9889
Normal 4:4:4 Input Format (RGB or YCbCr) Input ID = 0
An input format of RGB 4:4:4 or YCbCr 4:4:4 can be selected by setting the input ID (R0x15[3:1]) to 0b000. The input color space (CS)
must be selected by setting R0x16[0] to 0b0 for RGB or 0b1 for YCbCr. There is no need to set the input style (R0x16[3:2]).
Table 10.
Input Format
RGB 4:4:4
YCbCr 4:4:4
YCbCr 4:2:2 Formats (24 Bits, 20 Bits, or 16 Bits) with Separate Sync, Input ID = 1
An input with YCbCr 4:2:2 with separate syncs can be selected by setting the Input ID (R0x15[3:1]) to 0b001. The input CS (R0x16[0])
must be set to 0b1 for proper operation. The data bit width (24 bits, 20 bits, or 16 bits) must be set with R0x16[5:4]. The three input pin
assignment styles are shown in Table 11. The input style can be set in R0x16[3:2].
Table 11.
Input Format
YCbCr 4:2:2 Sep.
Sync (24 bit)
YCbCr 4:2:2 Sep.
Sync (20 bit)
YCbCr 4:2:2 Sep.
Sync (20 bit)
24-bit
20-bit
16-bit
24-bit
20-bit
16-bit
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Cb[11:0]
Cr[11:0]
Cb[9:0]
Cr[9:0]
Cb[7:0]
Cr[7:0]
Y[11:0]
Y[11:0]
Y[9:0]
Y[9:0]
Y[7:0]
Y[7:0]
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22
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Cr[7:0]
R[7:0]
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Cb[11:4]
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Cr[11:4]
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Cb[7:0]
Cr[9:2]
Cr[7:0]
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Y[7:0]
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Cb[7:0]
Cr[7:0]
Style 1
Style 2
Style 3
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Data<23:0>
Data <23:0>
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Y[9:0]
Y[9:0]
Cb[9:0]
Cr[9:0]
G[7:0]
Y[7:0]
12
Y[11:4]
Y[11:4]
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Y[9:2]
Y[9:2]
Y[7:0]
Y[7:0]
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Cb[11:0]
Cr[11:0]
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Cb[1:0]
Cr[1:0]
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Cr[3:0]
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Cb[7:0]
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B[7:0]
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Y[1:0]
Y[1:0]
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Y[3:0]
Y[3:0]
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