DESCRIPTION
The TDA9111 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.

FEATURES
General
■ SYNC PROCESSOR (separate or composite)
■ 12V SUPPLY VOLTAGE
■ 8V REFERENCE VOLTAGE
■ HOR. LOCK/UNLOCK OUTPUT
■ HOR. & VERT. LOCK/UNLOCK INDICATION
■ READ/WRITE I2C INTERFACE
■ HORIZONTAL AND VERTICAL MOIRE
■ B+ REGULATOR
    - Internal PWM generator for B+ current mode step-up converter
    - Switchable to step-down converter
    - I2C adjustable B+ reference voltage
    - Output pulses synchronized on horizontal frequency
    - Internal maximum current limitation.

Horizontal
■ Self-adaptative
■ Dual PLL concept
■ 150kHz maximum frequency
■ X-Ray protection input
■ I2C controls: Horizontal duty-cycle, H-position, horizontal size amplitude

Vertical
■ Vertical ramp generator
■ 50 to 185Hz AGC loop
■ Geometry tracking with VPOS & VAMP
■ I2C controls: VAMP, VPOS, S-CORR, C-CORR
■ DC breathing compensation

I2C Geometry corrections
■ Vertical parabola generator (Pin Cushion - E/W, Keystone, Corner Correction)
■ Horizontal dynamic phase (Side Pin Balance & Parallelogram)
■ Horizontal and vertical dynamic focus (Horizontal Focus Amplitude, Horizontal Focus Symmetry, Vertical Focus Amplitude)