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Part: TDA9112
Category:
Multimedia
-> Video
-> Controllers
-> CRT & LCD Monitors
Description: I2C Controlled Deflection Processor For Multisync Monitors
Company: ST Microelectronics, Inc.
Datasheet: Download TDA9112 datasheet File size : 182 kB
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Datasheet text preview:
TDA9112
LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
FEATURES General 2 s ADVANCED I C BUS CONTROLLED DEFLECTION PROCESSOR DEDICATED FOR HIGH-END CRT MONITORS s SINGLE SUPPLY VOLTAGE 12V s VERY LOW JITTER s DC/DC CONVERTER CONTROLLER s ADVANCED EW DRIVE s ADVANCED ASYMMETRY CORRECTIONS s AUTOMATIC MULTISTANDARD SYNCHRONIZATION s 2 DYNAMIC CORRECTION WAVEFORM OUTPUTS s X-RAY PROTECTION AND SOFT-START & STOP ON HORIZONTAL AND DC/DC DRIVE OUTPUTS 2 s I C BUS STATUS REGISTER Horizontal section 150 kHz maximum frequency s Corrections of geometric asymmetry: Pin cushion asymmetry, Parallelogram, separate Top/Bottom corner asymmetry s Tracking of asymmetry corrections with vertical size and position s Fully integrated horizontal moiré cancellation
s
Dynamic correction section s Generates waveforms for dynamic corrections like focus, brightness uniformity, ... s 1 output with vertical dynamic correction waveform s 1 output with composite HV dynamic correction waveform s Fixed on screen by means of tracking system DC/DC controller section Step-up and step-down conversion modes s Internal and external sawtooth configurations s Bus-controlled output voltage s Synchronization on hor. frequency with phase selection s Selectable polarity of drive signal
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Vertical section s 200 Hz maximum frequency s Vertical ramp for DC-coupled output stage with adjustments of: C-correction, S-correction for super-flat CRT, Vertical size, Vertical position s Vertical moiré cancellation through vertical ramp waveform s Compensation of vertical breathing with EHT variation EW section s Symmetrical geometry corrections: Pin cushion, Keystone, Top/Bottom corners separately s Horizontal size adjustment s Tracking of EW waveform with Vertical size and position and adaptation to frequency s Compensation of horizontal breathing through EW waveform
DESCRIPTION The TDA9112 is a monolithic integrated circuit assembled in a 32-pin shrink dual-in-line plastic package. This IC controls all the functions related to horizontal and vertical deflection in multimode or multi-frequency computer display monitors. The internal sync processor, combined with the powerful geometry correction block, makes the TDA9112 suitable for very high performance monitors, using few external components. Combined with other ST components dedicated for CRT monitors (microcontroller, video preamplifier, video amplifier, OSD controller) the TDA9112 allows fully I2C bus-controlled computer display monitors to be built with a reduced number of external components. ORDERING INFORMATION
Ordering code TDA9112
Package Shrink 32
Version 4.2
August 2003 1/51
1
TABLE OF CONTENTS
1 -PIN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 -BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 -PIN FUNCTION REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 -QUICK REFERENCE DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 -ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 -ELECTRICAL PARAMETERS AND OPERATING CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . 9 6.1 - THERMAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.2 - SUPPLY AND REFERENCE VOLTAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.3 - SYNCHRONIZATION INPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.4 - HORIZONTAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6.5 - VERTICAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6.6 - EW DRIVE SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.7 - DYNAMIC CORRECTION OUTPUTS SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.8 - DC/DC CONTROLLER SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6.9 - MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7 -TYPICAL OUTPUT WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2 8 -I C BUS CONTROL REGISTER MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 9 -OPERATING DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.1 - SUPPLY AND CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.1.1 -Power supply and voltage references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.1.2 -I2C Bus Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.2 - SYNC. PROCESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.2.1 -Synchronization signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.2.2 -Sync. presence detection flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.2.3 -MCU controlled sync. selection mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.2.4 -Automatic sync. selection mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.3 - HORIZONTAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.3.1 -General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.3.2 -PLL1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.3.3 -Voltage controlled oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3.4 -PLL2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3.5 -Dynamic PLL2 phase control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3.6 -Output Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9.3.7 -Soft-start and soft-stop on H-drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9.3.8 -Horizontal moiré cancellation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9.4 - VERTICAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 9.4.1 -General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 9.4.2 -Vertical moiré . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 9.5 - EW DRIVE SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 9.6 - DYNAMIC CORRECTION OUTPUTS SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 9.6.1 -Composite horizontal and vertical dynamic correction output HVDyCor . . . . . . . . . 36 9.6.2 -Vertical dynamic correction output VDyCor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 9.7 - DC/DC CONTROLLER SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 9.7.1 -External sawtooth configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 9.7.2 -Internal sawtooth configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 9.8 - MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3 9.8.1 -Safety functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 9.8.2 -Soft start and soft stop functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
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9.8.3 -X-ray protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.8.4 -Composite output HLckVBk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 -INTERNAL SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 -PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 -GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
39 41 43 47 48
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Others parts begin by td
TD-1 TD-2 TD-3 TD-4 TD-5 TD-6 TD-7 TD-8 TD-9 TD-10 TD-11 TD-12 TD-13 TD-14 TD-15 TD-16 TD-17 TD-18 TD-19 TD-20 TD-21
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