CXA3572 Ver la hoja de datos (PDF) - Sony Semiconductor

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CXA3572

Driver/Timing Generator for Color LCD Panels

Sony Semiconductor 

CXA3572R

Setting Conditions for Measuring Electrical Characteristics

Use the Electrical Characteristics Measurement Circuit on page 21 when measuring electrical characteristics.

For measurement, the digital block must be initialized and power saving must be canceled by performing

Settings 1, 2 and 3 below. In addition, the serial data must be set to the initial settings shown in the table below.

Setting 1. System reset

After turning on the power, activate the TG block system reset by setting XCLR (Pin 35) Low.

The serial bus is set to the default values.

VDD

XCLR (Pin 35)

TR

TR > 10µs

System reset

Setting 2. Horizontal AFC adjustment

In the condition without sync input, adjust so that the HDO pulse output frequency is

NTSC: 15.734 ± 0.1kHz and PAL: 15.625 ± 0.1kHz.

Setting 3. Canceling power saving mode

The power-on default is power saving mode, so clear (set all “1”) serial data PS0 and SYNC GEN.

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