The KS57C3204 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers). With features such as LCD direct drive capability, 4-channel A/D converter, 24-bit AM/FM frequency counter and watch timer, the KS57C3204 offers an excellent design solution for a wide variety of applications that require LCD functions and audio applications. Up to 32 pins of the 64-pin QFP package, it can be dedicated to I/O. Five vectored interrupts provide fast response to internal and external events. In addition, the KS57C3204 's advanced CMOS technology provides for low power consumption and a wide operating voltage range.