TDA9550 datasheet(9/125 Pages) PHILIPS

9 / 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

PINNING (GENERAL VERSION)

SYMBOL

DESCRIPTION

P1.3/T1

port 1.3 or Counter/Timer 1 input

P1.6/SCL

port 1.6 or I2C-bus clock line

P1.7/SDA

port 1.7 or I2C-bus data line

P2.0/TPWM

port 2.0 or Tuning PWM output

P3.0/ADC0

port 3.0 or ADC0 input

P3.1/ADC1

port 3.1 or ADC1 input

P3.2/ADC2

port 3.2 or ADC2 input

P3.3/ADC3

port 3.3 or ADC3 input

VSSC/P

digital ground for

µ-Controller core and periphery

P0.5

port 0.5 (8 mA current sinking capability for direct drive of LEDs)

P0.6

port 0.6 (8 mA current sinking capability for direct drive of LEDs)

VSSA

analog ground of Teletext decoder and digital ground of TV-processor

SECPLL

SECAM PLL decoupling

VP2

2nd supply voltage TV-processor (+8V)

DECDIG

supply voltage of digital circuit of TV-processor

PH2LF

phase-2 ﬁlter

PH1LF

phase-1 ﬁlter

GND3

ground 3 for TV-processor

DECBG

bandgap decoupling

AVL/EWD

/DECSDEM (1)

Automatic Volume Levelling (90

° versions) / E-W drive output (110° versions) /

decoupling sound demodulator (QSS version in AM/FM mode)

VDRB

vertical drive B output

VDRA

vertical drive A output

IFIN1

IF input 1

IFIN2

IF input 2

IREF

reference current input

VSC

vertical sawtooth capacitor

AGCOUT

tuner AGC output

AUDEEM/SIFIN1(1)

audio deemphasis or SIF input 1

DECSDEM/SIFIN2(1)

decoupling sound demodulator or SIF input 2

GND2

ground 2 for TV processor

SNDPLL/SIFAGC/ (1)

narrow band PLL ﬁlter or AGC sound IF

AVL/SNDIF/REF0/

AMOUT/AUDEEM(1)

Automatic Volume Levelling / sound IF input / subcarrier reference output / AM

output (non controlled) / audio deemphasis (QSS version in AM/FM mode)

HOUT

horizontal output

FBISO

ﬂyback input/sandcastle output

AUDEXT/QSSO

/AMOUT (1)

external audio output / QSS intercarrier out / AM audio output (non controlled)

EHTO

EHT/overvoltage protection input

PLLIF

IF-PLL loop ﬁlter

IFVO/SVO

IF video output / selected CVBS output

VP1

supply voltage TV processor

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