STV223XD datasheet(5/76 Pages) STMICROELECTRONICS

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STV223XD/224XC - GENERAL DESCRIPTION

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Note 1: Input/Output not available in STV2246C/86C and STV2236D versions. This pin must not be con-

nected.

Note 2: When REXT, GEXT and BEXT pins are not used, they must not be connected. Register 0Ah must

be set (d7 and d6 = 01). (RGB external inputs disabled.)

Note 3: FBEXT to be connected to ground when not used.

Note 4: CVBS output 1 on pin 29 (SDIP56), if register 1Dh = 07h.

GND1

Chroma/Scanning Ground

CVBSOUT1

Main Video Switch Output

VCC1

Chroma/Scanning Power Supply (8 V)

BCL/SAF

Beam Current Limiter Control Voltage and Safety Input

(XRAY)

VERT

Vertical Output Pulse

HOUT

Horizontal Output Pulse

LFB/SSC

Line Flyback Input and Super-Sandcastle Output

SLPF

Scanning PLL Filter

SCL

I²C Bus Clock Input

SDA

I²C Bus Data Input

VCCD

Digital Supply Voltage (5 V)

GNDD

Digital Ground

AUDIOOUT

Main Audio Output

FMCAP

FM Demodulation Capacitor

SAW

Filter Switch Control

BEXT/Cb

External Blue Input or external Cb Input

(Please refer to Note 2)

GEXT/Y

External Green Input or external Y Input

(Please refer to Note 2)

REXT/Cr

External Red Input or external Cr Input

(Please refer to Note 2)

FBEXT

External Fast Blanking Input (Please refer to Note 3)

APR

Automatic RGB Peak Regulation

Half Contrast Input

CVBSOUT2

Second Video Switch Output

NTBC/CVBSOUT1

Not To Be Connected or CVBS Output 1

(Please refer to Note 4)

Pin N°

Symbol

Description

STV224XC/8XC

STV223XD

SDIP56

TQFP64

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