SAF7113 datasheet(31/80 Pages) PHILIPS

31 / 80 page

2000 May 08

Philips Semiconductors

Product speciﬁcation

9-bit video input processor

SAF7113H

Table 13 YUV data format on the 8-bit VPO-bus (data types 6 and 15)

Table 14 Explanation to Table 13

BLANKING

PERIOD

TIMING

REFERENCE

CODE

720 PIXELS YUV4:2:2 DATA

TIMING

REFERENCE

CODE

BLANKING

PERIOD

...

FF 00 00 SAV CB0Y0 CR0Y1 CB2 Y2 ... CR718 Y719 FF 00 00 EAV 80 10 ...

NAME

EXPLANATION

SAV

start of active video range; see Tables 5 to 7

CBn

U (B

− Y) colour difference component, pixel number n = 0, 2, 4 to 718

Y (luminance) component, pixel number n = 0, 1, 2, 3 to 719

CRn

V (R

− Y) colour difference component, pixel number n = 0, 2, 4 to 718

EAV

end of active video range; see Tables 5 to 7

LUMINANCE 100%

+255

+235

+128

+16

white

black

U-COMPONENT

+255

+240

+212

+128

+16

+44

blue 100%

blue 75%

yellow 75%

yellow 100%

colourless

V-COMPONENT

+255

+240

+128

+16

+44

red 100%

red 75%

cyan 75%

cyan 100%

colourless

MGC634

Fig.23 YUV 4 :2:2 levels on the 8-bit VPO-bus (data types 6 and 15).

Equations for modification to the YUV levels via BCS control I2C-bus bytes BRIG, CONT and SATN.

Luminance:

Chrominance:

It should be noted that the resulting levels are limited to 1 to 254 in accordance with ITU-601/656 standard.

OUT

Int

CONT

------------------

128

–

()

BRIG

OUT

Int

SATN

-----------------

R CB

128

–

()

128

a. Y output range.

b. U output range (CB).

c. V output range (CR).

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