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TEA5040 Datasheet

  • TEA5040

  • WIDE BAND VIDEO PROCESSOR

  • 12頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TEA5040
WIDE BAND VIDEO PROCESSOR
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DIGITAL CONTROL OF BRIGHTNESS,
SATURATION AND CONTRAST ON TV SIG-
NALS AND R, G, B INTERNAL OR EXTER-
NAL SOURCES
BUS DRIVE OF SWITCHING FUNCTIONS
DEMATRIXING OF R, G, B SIGNALS FROM
Y, R-Y, B-Y, TV MODE INPUTS
MATRIXING OF R, G, B SOURCES INTO
Y, R-Y, B-Y SIGNALS
AUTOMATIC DRIVE AND CUT-OFF CON-
TROLS BY DIGITAL PROCESSING DURING
FRAME RETRACE
PEAK AND AVERAGE BEAM CURRENT LIMI-
TATION
ON-CHIP SWITCHING FOR R, G, B INPUT
SELECTION
ON-CHIP INSERTION OF INTERNAL OR EX-
TERNAL R, G, B SOURCES
DESCRIPTION
The TEA5040 is a serial bus-controlled videoproc-
essing device which integrates a complex architec-
ture fulfilling multiple functions.
DIP40
(Plastic Package)
ORDER CODE :
TEA5040
PIN CONNECTIONS
V
CC
R INTERNAL INPUT
R EXTERNAL INPUT
G INTERNAL INPUT
G EXTERNAL INPUT
B INTERNAL INPUT
B EXTERNAL INPUT
FB EXTERNA L INPUT
FB INTERN AL INPUT
B-Y INPUT
R-Y INPUT
Y INPUT
CLOCK
DATA
ENABLE
VOLTAG E REFERENCE
R CLAMP MEMORY
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SWITCHABLE VIDEO OUTPUT
SYNCHR O INPUT
INTERNA L VIDEO OUTPUT
INTERNA L VIDEO INPUT
AVERAGE BEAM LIMIT. REF
EXTERNAL VIDEO INPUT
AVERAGE BEAMCURRENT FILTER
LEAKAGE CURRENT FILTER
CATHODE CURRENT INPUT
SWITCH CUT-OFF RESISTANCE
SUPER SANDCASTLE INPUT
B OUTPUT
CUT-OFF MEMORY (B CHANNEL)
DRIVE MEMORY (B CHANNEL)
G OUTPUT
CUT-OFF MEMORY (G CHANNEL)
DRIVE MEMORY (G CHANNEL)
R OUTPUT
5040-01.EPS
G CLAMP MEMORY
B CLAMP MEMORY
CUT-OFF MEMORY (R CHANNEL)
DRIVE MEMORY (R CHANNEL)
GROUN D
April 1993
1/12

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