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SD4002 - 4BIT MICRO CONTROLLER

General Description

The SD4002 is CMOS LSI chips developed for world-wide FM / MW / LW tuning with PLL frequency synthesizer system.

Key Features

  • Single power supply of 5V±10% Built-in prescaler (200MHz MAX. Vin=0.3VPP ), IF counter and LCD driver (1/2 duty, 1/2 bias, frame frequency:100Hz) Capable of receiving FM and MW in the whole world and LW in Europe. Tuning function …. . Manual tuning, auto-tuning (seek and scan) and preset memory scan. Independent preset memory programming by six buttons for up to 18FM stations (sixFM1, FM2 and FM3 stations each), up to 12 MW stations (six MW1 and MW2 stations each), up to six LW stations and VF br.

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Datasheet Details

Part number SD4002
Manufacturer AUK
File Size 2.22 MB
Description 4BIT MICRO CONTROLLER
Datasheet download datasheet SD4002 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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내가 ㅇ Semiconductor SD4002 4BIT MICRO CONTROLLER Description The SD4002 is CMOS LSI chips developed for world-wide FM / MW / LW tuning with PLL frequency synthesizer system. The SD4002 can make a compact and high performance FM / MW / LW tuner with clock function for high-end car stereo, home stereo and so on because these CMOS LSIs are in 64-pin QFP package with built-in PLL frequency synthesizer, controller, 200 MHz prescaler, LCD driver and IF counter. Functions Radio Functions (1) Manual tuning Manual tuning up/down ….. Stepped tuning an d rapid tuning. (2) Auto tuning Seek up/down ….. Retaining the frequency of a station received. Scan up/down ….. Receiving in intervals of 5 seconds. (3) Preset memory scanning ….. Receiving the contents of preset memories on the FM, MW.