2000 Jan 13

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Philips Semiconductors

Preliminary specification

Multistandard Picture-In-Picture (PIP)

controller

SAB9079HS

Table 35 Overview of algorithm selection

In the master mode signals will be synchronized to the main 1Fh, 1Fv input signal. This eases the restrictions on the

number of fields to be stored for the scan converted main picture. Conditions to be met for a live picture are given in

Table 36.

Table 36 Master 2Fh field mode settings

MODE

D2FH

YUVFilter

D2FV

ABMode

No filter

0

00H

−

00H

UV 1 : 1 V filter

0

01H

0

00H

Y 1 : 1 V filter

0

10H

0

00H

YUV 1 : 1 V filter

0

11H

0

00H

2FH/1FV frame

1

xxH

0

00H

2FH/1FV proscan

1

xxH

0

01H

2FH/1FV line doubling

1

xxH

0

10H

not valid

1

xxH

0

11H

2FH/2FV AABB

1

00H

1

00H

2FH/2FV ABAB

1

00H

1

01H

2FH/2FV AB’A’B

1

00H

1

10H

2FH/2FV AB’A’B+

1

00H

1

11H

VERTICAL REDUCTION

FIELDS FOR MAIN

CHANNEL

FIELDS FOR SUB

CHANNEL

REMARKS

1/1

2

3

except for horizontal

reduction 1/1

other modes

4

4

−