CXD2428Q データシートの表示（PDF） - Sony Semiconductor

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CXD2428Q

Video Scan Converter

Sony Semiconductor 

CXD2428Q

2. Horizontal Readout

In this IC, the readout and write clocks are asynchronous.

The readout 1H sample coefficient is set by H SZ RD.

An HOUT pulse with a pulse width of 68ck is output from horizontal readout reference pulse HRSP (internal

pulse).

Readout start timing is set by H PHASE.

The HBLK pulse set by LFT BLK and RGT BLK is output. However, this pulse does not stop readout, so it has

no relation to the actual blanking interval.

HRSP

HOUT

68ck

H SZ RD + 2ck

HREN

(Internal pulse)

HBLK

HCR1

H PHASE + 2ck

LFT BLK + 2ck

RGT BLKck

– 12 –

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