1998 Dec 16

16

Philips Semiconductors

Preliminary specification

TDA9321H

Table 46 Colour decoder mode

Note

1. This mode is generated when trying (e.g. via software control) to force the decoder to a standard with a crystal which

is not connected to the IC.

CD3

CD2

CD1

CD0

STANDARD

XTAL

0000

no colour standard identified

A/B/C/D

0001

NTSC

A

0010

PAL

A

0011

NTSC

B

0100

PAL

B

0101

NTSC

C

0110

PAL

C

0111

NTSC

D

1000

PAL

D

1001

SECAM

A

1010

illegal forced mode; note 1

−

Table 47 Indication RGB1/RGB2 insertion

Table 48 Condition YCF/CCF inputs from comb filter

Table 49 Input signal condition; note 1

Note

1. During the search mode for the colour system, bit YC

will indicate logic 1.

Table 50 Condition of AV1 and AV2 inputs

IN1; IN2

RGB INSERTION

0

no insertion

1

full insertion

CMB

CONDITION YCF/CCF INPUTS

0

not selected

1

selected

YC

CONDITIONS

0

CVBS signal available

1

Y/C signal available

S1A;

S2A

S1B;

S2B

CONDITIONS

0

0

no external source

0

1

external source with 4 : 3 input signal

1

0

external source with 16 : 9 input signal

Table 51 Output video identification

Table 52 In-lock indication IF-PLL

Table 53 AFC output

IFI

VIDEO SIGNAL

0

no video signal identified

1

video signal identified

PL

CONDITIONS

0

PLL not locked

1

PLL locked

AFA

AFB

CONDITIONS

0

0

outside window; too low

0

1

outside window; too high

1

0

in window; below reference

1

1

in window; above reference