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參數資料

I2C Control

Data format

Data 1 is stored at register address A1. Data 2 is stored at register address A1 + 1, i.e., the address given by incrementing

A1. If the address exceeds 11H, it wraps to 00H.

Slave address:

Synchronizing Signal Input

Sync separation

The LC74411N and LC74411NE require sync separated (including AFC processing) V and H signals for both the main

and sub-screen. Since V is used for field discrimination and H is used as the PLL reference signal, these signals must be

provided reliably.

– The H-M and H-S pin inputs are assumed to be delayed about 1 s from the video signal’s horizontal synchronizing

signal and set to standard values.

– Equalizing pulses must be excluded.

– Since noise on the synchronizing signal will disrupt the display, these lines should be placed carefully.

– If the synchronizing signal is unstable, the sub-screen display may be disrupted. We recommend turning off sub-

screen display in such cases.

Field discrimination circuit

Since the circuit discriminates based on the phase difference between the falling edges of the H and L signals, these

signals must be provided with the timing shown in the figure below.

No. 5519-12/14

LC74411N, LC74411NE

R/W

相關代理商/技術參數	參數描述
LC7441N	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Picture-in-picture Controller for TVs and VCRs
LC7441NE	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Picture-in-picture Controller for TVs and VCRs
LC7442	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controller
LC7442E	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controller
LC7444	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dual VCO

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