SAA7182 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
SAA7182 Datasheet PDF : 40 Pages
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Philips Semiconductors
Digital Video Encoder (EURO-DENC)
Preliminary specification
SAA7182; SAA7183
Table 1 “CCIR 601” signal component levels
COLOUR
Y
Cb
White
235
128
Yellow
210
16
Cyan
170
166
Green
145
54
Magenta
106
202
Red
81
90
Blue
41
240
Black
16
128
SIGNALS(1)
Cr
R(2)
128
235
146
235
16
16
34
16
222
235
240
235
110
16
128
16
Notes
1. Transformation:
a) R = Y + 1.3707 × (Cr − 128)
b) G = Y − 0.3365 × (Cb − 128) − 0.6982 × (Cb − 128)
c) B = Y + 1.7324 × (Cb − 128).
2. Representation of R, G and B at the output is 9 bits at 27 MHz.
Table 2 8-bit multiplexed format (similar to “CCIR 601”)
TIME
Sample
Luminance pixel number
Colour pixel number
0
1
2
2
Cb0
Y0
0
Cr0
Y1
1
0
Table 3 16-bit multiplexed format (DTV2 format)
TIME
Sample Y line
Sample UV line
Luminance pixel number
Colour pixel number
0
1
2
3
Y0
Y1
Cb0
Cr0
0
1
0
G(2)
B(2)
235
235
235
16
235
235
235
16
16
235
16
16
16
235
16
16
4
5
6
7
Cb2
Y2
2
Cr2
Y3
3
2
4
5
6
7
Y2
Y3
Cb2
Cr2
2
3
2
1996 Jul 08
11
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