TDA9550 datasheet(10/125 Pages) PHILIPS

10 / 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

Note

1. The function of pin 20, 28, 29, 31, 32, 35 and 44 is dependent on the IC version (mono intercarrier FM demodulator

/ QSS IF amplifier and East-West output or not) and on some software control bits. The valid combinations are given

in table 1.

CVBS1

internal CVBS input

GND

ground for TV processor

CVBS/Y

CVBS/Y input

C input

AUDOUT /AMOUT(1)

audio output /AM audio output (volume controlled)

INSSW2

2nd RGB / YUV insertion input

R2/VIN

2nd R input / V (R-Y) input / PR input

G2/YIN

2nd G input / Y input

B2/UIN

2nd B input / U (B-Y) input / PB input

BCLIN

beam current limiter input

BLKIN

black current input / V-guard input

Red output

Green output

Blue output

VDDA

analog supply of Teletext decoder and digital supply of TV-processor (3.3 V)

VPE

OTP Programming Voltage

VDDC

digital supply to core (3.3 V)

OSCGND

oscillator ground supply

XTALIN

crystal oscillator input

XTALOUT

crystal oscillator output

RESET

reset

VDDP

digital supply to periphery (+3.3 V)

P1.0/INT1

port 1.0 or external interrupt 1 input

P1.1/T0

port 1.1 or Counter/Timer 0 input

P1.2/INT0

port 1.2 or external interrupt 0 input

SYMBOL

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