TDA9554PS datasheet(75/125 Pages) PHILIPS

75 / 125 page

2000 Jun 22

Philips Semiconductors

Tentative Device Speciﬁcation

TV signal processor-Teletext decoder with

embedded

µ-Controller

TDA955X/6X/8X PS/N1 series

Table 117Audio signal selection

Table 118FM radio function enabled

Table 119Auto Volume Levelling

Table 120Mode of Quasi Split Sound ampliﬁer

Table 121Connection of output of QSS ampliﬁer

Table 122Video dependent coring (peaking)

Table 123Dynamic skin control on/off

Table 124 Blue stretch

Table 125 Black stretch

Table 126 Ratio pre- and overshoot

ADX

SELECTED SIGNAL

internal audio signal

external audio signal

FMR

MODE

TV mode

FM radio mode

AVL

MODE

not active

active

QSS

MODE

QSS ampliﬁer not active, input of sound PLL

connected to vision IF ampliﬁer output

QSS ampliﬁer active, output connected to

QSSO or to input sound PLL (via FMI bit)

FMI

MODE

output connected to QSSO output

output connected to sound PLL circuit

COR1

COR0

SETTING

off

coring active between 0 and 20 IRE

coring active between 0 and 40 IRE

coring active between 0 and 100 IRE

DSK

MODE

off

1on

BLS

BLUE STRETCH MODE

off

1on

BKS

BLACK STRETCH MODE

off

1on

RPO1

RPO0

RATIO PRE-/OVERSHOOT

1:1

1 : 1.25

1 : 1.5

1 : 1.8

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