Samsung Electronics 6-16. Block DiagramMicom Controller(OKI MSM66Q573L)-12C control- Parallel & USBcommunication- Power control- Memory R/W- AD Key ControlMP3 decoder(STA015)- MP3 decoding- Digital volumecontrol- DC/DC Converter4-KeyIncluding ButtonUSBInterfacePower 1.5 x 1(AAA) BatteryClockGeneration OSC(14.7456MHz)D/A Converter(CS43L43)EarphoneFlash MemoryInternal ; 32M/64MI CPC CTR : 654DATA : 8DATA : 8CTR : 6U7 U8Y2ClockGenerationOSC(12MHz)TimerGenerationOSC(32.768MHz)U10U4, U52