LC78620E Datasheet, PDF (10/34 Pages) Sanyo Semicon Device – Compact Disc Player DSP

LC78620E
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
Disk motor control
Miscellaneous control
One-byte commands
Track check
Two-byte command (RWC set twice)
Digital attenuator
Two-byte command (RWC set once)
• One-byte commands
• Two-byte commands (RWC set twice)
• Two-byte commands (RWC set once)
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