Overview
The LC72323-XXXX is a single-chip car audio system electronic tuning controller that supports detachable function block systems. This product supports reception in all areas of the world and include PLL, LCD driver and electronic volume/tone control support circuits on chip.

FEATUREs
• Support for reception of the European FM, MW and LW bands and the FM and AM bands used in the US, Australia, the Middle and Near East and South America
• Support for electronic volume/tone controls (bass, treble, balance and fader) using the LC75371M
• VF seek and auto retune functions (Europe)
• Support for IF counting techniques in all bands
• Automatic memory function in station strength order (FM band)
• Loudness control
• CD functions
— Key inputs
— CD indicator display function
• Tape functions
— Tape indicator display function
— Dolby, APSS and metal tape controls
• Clock function with 24-hour display for Europe and 12-hour display for other reception areas
• Single 5 V power supply
• Package: QFP80E (QIP80E)
• Telephone mute function
• LED blinking function