THS8083APZP datasheet(23/64 Pages) TI

Part #	THS8083APZP

Description	TRIPLE 8 BIT 80 MSPS 3.3V VIDEO AND GRAPHICS

PDF	64 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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23 / 64 page

2–9

2.9

Input Mode Detection

The THS8083A supports detection of the graphics input format in cooperation with an external microcontroller. Via

the microcontroller interface, the period of incoming HS and VS signals (HS_COUNT, VS _COUNT register values),

the frequency of the DTO clock (DTO_INC register value), and the PLL lock condition (terminal LOCK) can be

measured.

2.10 ADC Readback Over I2C Interface

The ADC output data on each of the three channels can be sampled at a programmable position on each line

(PIXTRAP register value) and latched into pixel readback registers (CH< n >_RDBK register values) that can be read

by the microcontroller at lower speed via the I2C interface. Programming to read back during the horizontal blanking

interval can be a test for accurate positioning of the blanking level.

THS8083APZP Datasheet(PDF) 23 Page - Texas Instruments