MSM7650 datasheet(13/34 Pages) OKI

tên linh kiện	MSM7650

Giải thích chi tiết về linh kiện	NTSC/PAL Digital Encoder

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¡ Semiconductor

MSM7650

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INPUT DATA FORMAT

Input Digital Level

The content conforms to CCIR601 (ITU-601).

For chrominance input Cb and Cr, 2’s complement and offset binary formats are available by

setting of internal registers.

Input values outside the specified range are limited by internal clipping processing.

The valid input levels of luminance signal and chrominance signal are shown below.

235

Y data

Digital Level

100% White level

Black Level

240(112)

16(–112)

C data

Digital Level

128(0)

Note) Values are in offset binary format.

(Values in parenthesis are in 2's complement format.)

Input luminance signal level

Input chrominance signal level

Basic Pixel Sampling Ratio

4:2:2 and 4:1:1 sampling are supported. An internal register can control the sampling ratio.

CLKX1

4:2:2 sampling

4:1:1 sampling

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