Image Processor PW166 | BenQ PB6100, PB6200 manual

There are some other interface signals related to AD9883

SOGIN – Sync On Green input from Image Processor , the signal enable the PB6100 support the very special VGA input signal .

GCOAST – Input signal from Image Processor , the signal enable the PB6100 support the Machintosh analog input format .

GCLK – Output to Image Processor as Pixel Clock , providing the reference clock for Image Processor .

GHS – Providing the Horizontal Synchronization signal to Image Processor . GVS - Providing the Vertical Synchronization signal to Image Processor . GRE,GGE,GBE – Digital data stream to Image Processor which is higher than SXGA 75HZ .

. Image Processor (PW166)

The most important IC is the image Processor , here below list its main function

-Supporting input digital data stream up to UVGA and output digital data up to SXGA

-Two input port , which are Graphic port ( VGA format ) and Video port (video decoder format ) .

-Frame rate conversion , the output frame rate is independent from the input frame rate and

the most important feature of the Image Processor is memory inside , there is no need of external memory for frame rate convertion .

-Up and Down scaling of different input resolution , ensure the same output image size .

-Providing Bitmap OSD picture , which if more fancy than normal OSD chip .

-On chip Microprocessor

The Image Processor is a highly integrated circuit , it include MCU , Scaler , Memory , OSD . This will increase the stability of the system .

There is some control signals list below

DCLK – pixel clock output to DMD driver BD , provided as a reference clock for DMD driver DVS – Vertical synchronization signal output to DMD BD , provided as Vertical reference signal for DMD driver .

DHS – Horizontal synchronization signal output to DMD BD , provided as Horizontal reference signal for DMD driver .

DEN – Data enable signal output to DMD BD , provided as a valid data indicator signal for DMD driver .

VCLK – V-port pixel clock . VPEN – V-port data enable .

VVS – V-port Vertical Synchronization . VHS – V-port Horizontal Synchronization . VFILED – V-port Even/Odd frame indicator .

RESETZ – Output to DMD driver BD as RESETZ signal for DMD normal operation . ABNORMAL – Input to CPU for indicating abnormal condition , if the CPU detects an

PB6200, PB6100 specifications

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