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參數資料

型號：	LC78625E
元件分類：	消費家電
英文描述：	SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝：	QFP-80
文件頁數：	3/35頁
文件大小：	535K
代理商：	LC78625E

No. 5502-11/35

LC78625E

3. VCO monitor; Pin 21: PCK

PCK is a monitor pin that outputs an average frequency of 4.3218 MHz, which is the VCO frequency divided by two.

4. Synchronization detection monitor; Pin 22: FSEQ

Pin 22 goes high when the frame synchronization (a positive polarity synchronization signal) from the EFM signal

read in by PCK and the timing generated by the counter (the interpolation synchronization signal) agree. This pin is

thus a synchronization detection monitor. (It is held high for a single frame.)

5. Servo command function; Pin 64: RWC, pin 66: COIN, pin 67: CQCK

Commands can be executed by setting RWC high and inputting commands to the COIN pin in synchronization with

the CQCK clock. Note that commands are executed on the falling edge of RWC.

Focus start

Track jump

Muting control

One byte commands

Disc motor control

Miscellaneous control

Track check

Two-byte command (RWC set twice)

Digital attenuator

Two-byte commands (RWC set once)

General-purpose port I/O data setup

One-byte commands

Two-byte commands (RWC set twice)

Two-byte commands (RWC set once)

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相關代理商/技術參數	參數描述
LC78626	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players
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LC78628E	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP with Built-in HDCD Decoder

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