LC78625E
• Support for command input from a control microprocessor: commands include track jump, focus start, disk motor
start/stop, muting on/off and track count (8-bit serial input)
• Built-in digital output circuits.
• Arbitrary track counting to support high-speed data access
• D/A converter outputs with data continuity improved by 8× oversampling digital filters. (These filters function as 4×
oversampling filters during double-speed playback.)
• Built-in ∑∆ D/A converter implemented by a third-order noise shaper circuit (for PWM output)
• Built-in digital attenuator (8 bits - alpha, 239 steps)
• Built-in digital de-emphasis circuit that can be controlled externally in some modes
• Zero-cross muting
• Support for 2×-speed dubbing
• Support for bilingual applications
• General-purpose I/O ports: 4 pins (when the antishock mode is turned off)
Features
• 5 V single-voltage power supply
• Low-voltage operation: Can be operated at 3.3 V ±10% (at normal playback speed)
• 80-pin QFP package
Equivalent Circuit Block Diagram
No. 5502-2/35