saf7167ahw NXP Semiconductors, saf7167ahw Datasheet - Page 5
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saf7167ahw
Manufacturer Part Number
saf7167ahw
Description
Saf7167ahw Yuv-to-rgb Digital-to-analog Converter
Manufacturer
NXP Semiconductors
Datasheet
1.SAF7167AHW.pdf
(21 pages)
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Philips Semiconductors
7. Functional description
9397 750 12667
Product data sheet
7.1.1 Re-formatter
7.1 Video data path
Table 3:
[1]
The SAF7167AHW contains a video data path, 3 analog mixers and voltage output
amplifiers for the RGB channels respectively, a keying control block as well as an I
control block.
The video data path includes a video data re-formatter, a YUV-to-RGB colour space
conversion matrix, and triple 8-bit DACs.
The re-formatter de-multiplexes the different video formats YUV 4 : 1 : 1, 4 : 2 : 2 or
2 : 1 : 1 to internal YUV 4 : 4 : 4, which can then be processed by the RGB matrix. The
pixel byte sequences of those video input formats are shown in
Table 4:
Symbol
UV[7]
UV[6]
UV[5]
Input
YUV0 (LSB)
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7 (MSB)
UV0 (LSB)
UV1
UV2
UV3
UV4
UV5
UV6
UV7 (MSB)
Y data
UV data
I = input; I/O = input or output; O = output; S = supply.
Pin description
Pixel byte sequence of 4 : 2 : 2
Pin
46
47
48
Pixel byte sequence of 4 : 2 : 2
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
U0
U1
U2
U3
U4
U5
U6
U7
0
0
Rev. 01 — 29 June 2004
…continued
Type
I
I
I
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
V0
V1
V2
V3
V4
V5
V6
V7
1
0
[1]
Description
digital video UV (of YUV format 4 : 1 : 1 and 4 : 2 : 2)
input data, or digital G and R input data
digital video UV (of YUV format 4 : 1 : 1 and 4 : 2 : 2)
input data, or digital G and R input data
digital video UV (of YUV format 4 : 1 : 1 and 4 : 2 : 2)
input data, or digital G and R input data
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
U0
U1
U2
U3
U4
U5
U6
U7
2
2
YUV-to-RGB digital-to-analog converter
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
V0
V1
V2
V3
V4
V5
V6
V7
3
2
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
SAF7167AHW
Table 4
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
U0
U1
U2
U3
U4
U5
U6
U7
4
4
to
Table
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
V0
V1
V2
V3
V4
V5
V6
V7
5
4
7.
2
C-bus
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