MSM7660 查看數據表（PDF） - Oki Electric Industry

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MSM7660

Digital Video Decoder (NTSC/PAL Compatible)

Oki Electric Industry 

E2F0004-27-X1

¡ ¡ SemicondSucetormiconductor

MSM7660

Digital Video Decoder (NTSC/PAL Compatible)

This version: JManS.M19796860

Previous version: Oct. 1997

GENERAL DESCRIPTION

The MSM7660 is a decoder which converts digitally sampled NTSC or PAL video signals to the

format based on ITU-RBT601.

The MSM7660 can accept composite video and S video signals.

For composite signals, the MSM7660 converts signals to YUV data via a 2-dimensional Y/C

separation circuit. For S video signals, the MSM7660 converts signals to YUV data by passing the

2-dimensional Y/C separation circuit.

An internal AGC/ACC circuit makes decoding of images relatively easy.

Video signals are internally synchronized, so a relatively wide range of video signals can be

decoded without using an external VCO circuit.

FEATURES

• Accepts composite video and S video signals

• Compatible with NTSC/PAL

• 2-dimensional Y/C separation using adaptive comb filter (this filter is bypassed for S video

signal input)

NTSC: 3 lines/2 lines

PAL: 2 lines

• Sampling frequency

14.75 MHz (PAL Square Pixel)

14.31818 MHz (NTSC 4Fsc)

12.27 MHz (NTSC Square Pixel)

13.5 MHz (ITU-RS601)

• Internal AGC/ACC circuit

• 8-bit Y/C (CbCr) output (conforms to ITU-RBT601)

YCbCr:

4:2:2

YCbCr:

4:1:1

• High impedance output possible, priority cascade control function

• I2C-BUS interface

• External terminal mode (default) or internal register mode can be selected for operation mode

setting.

• A frequency one or two times the sampling clock is supplied to LSI

• Power consumption: 500 mW (Typ. 13.5 MHz)

• Package:

80-pin plastic QFP (QFP80-P-1420-0.80-BK) (Product name: MSM7660GS-BK)

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