STV2162 Datasheet, PDF (1/14 Pages) STMicroelectronics – 2H - VIDEO SCANNING PROCESSOR

STV2162
2H - VIDEO SCANNING PROCESSOR
.VIDEO PART
USER CONTROL FUNCTIONS :
CONTRAST, BRIGHTNESS, SATURATION,
COLOR EQUALIZER
. RGB INPUT WITH FAST-BLANKING FOR
ON-SCREEN-DISPLAY / TELETEXT
. FAST BLANKING INPUT FOR CONTRAST
REDUCTION (TRANSPARENT MENU BOX)
. AVERAGE BEAM LIMITER FUNCTION WITH
CONTRAST AND BRIGHTNESS REDUCTION
. PAL/SECAM OR NTSC MATRIX SWITCHA-
BLE BY BUS
. AUTOMATIC CUT-OFF LOOP WITH INTE-
GRATED DIGITAL MEMORY AND LEAKAGE
CURRENT COMPENSATION
. _{FULL WHITE ADJUSTMENT VIA BUS}
. _{BUS REPLY FOR TUBE COLD INFORMA-}
TION AND CUT-OFF COUNTER STATUS
. APX (AUTO PIX) : ADAPTIVE CONTRAST
CONTROL
. COLOR MATCHING (IN CONNECTION WITH
WHITE STRETCH)
. APL (AUTO PEDESTAL) = ADAPTIVE
BRIGHTNESS
. _{WHITE STRETCH}
. _{VERTICAL AND OVERSIZE BLANKING AC-}
CORDING TO ALL ZOOMS
. INDEPENDENT RIGHT AND LEFT ADJUST-
MENT OF HORIZONTAL OVERSIZE BLANKING
SCANNING PART
. _{INTERNAL OR EXTERNAL 27MHz CLOCK}
. _{VERTICAL SYNCHRONISATION OUTPUT}
FOR VIDEO TEXT AND OSD DISPLAY
. _{PHI2 LOOP WITH INTERNAL LOOP FILTER}
. _{PULSE OUTPUT FOR DRIVING HORIZON-}
TAL OUTPUT STAGE
. VERTICAL COUNTDOWN CIRCUIT FOR
CLEAN VERTICAL DEFLECTION
. INTEGRATED VERTICAL SAWTOOTH GENE-
RATOR WITH AMPLITUDE CONTROL LOOP
. VERTICAL AND HORIZONTAL BUS ADJUSTA-
BLE SIZE CORRECTION (BREATHING) TO
ADAPT DEFLECTION SENSITIVITY TO THE
CURRENT BEAM
. PRODUCT PREVIEW
BUS ADJUSTED VERTICAL PARAMETERS:
.. VERTICAL AMPLITUDE, VERTICAL POSI-
TION AND S-CORRECTION
PANNING FOR VERTICAL DEFLECTION
BUS CONTROLLED EAST-WEST FUNCTION
. GENERATOR WITH INTEGRATED ERROR
AMPLIFIER
VARIABLE FIX-POINTS FOR S-CORRECTION
.. VERTICAL BLANKING AND EAST-WEST
CORNER CORRECTION
SUPER SANDCASTLE OUTPUT
VERTICAL POWER SAVE MODE
SMPS PART
. SMPS PULSE-WIDTH MODULATOR WITH
BUS CONTROLLED REFERENCE VOLTAGE
. SOFTSTART FOR SMPS MODULATOR,
EVEN IN CASE OF MISSING HORIZONTAL
CLOCK (27MHz)
. _{SOFTSTART FOR HORIZONTAL OUTPUT STAGE}
. _{SMOOTH TRANSITION FROM SOFTSTART}
TO NORMAL MODE
. _{GENERAL STANDBY MODE CONTROL}
. _{PROTECTION CIRCUIT FOR OVERLOAD}
. ^{DETECTION (SHORT CIRCUITS) AND CON-}
TROL OF SMPS MODULATOR
BUS REPLY FOR OVERLOAD
DESCRIPTION
The STV2162 is an I²C bus controlled Video and
Deflexion Processor for 2H-Deflection Television
Sets. The IC incorporates also an secondary SMPS
(Switch Mode Power Supply) controller with Soft-
start and Protection facilities.
SHRINK56
(Plastic Package)
ORDER CODE : STV2162
January 1997
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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