Datasheet Summary
Semiconductor
4BIT MICRO CONTROLLER
Description
The SD4001 is CMOS LSI chips developed for world-wide FM / MW / LW tuning with PLL frequency synthesizer system. The SD4001 can make a pact 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)...