LC823425 is an audio processing solution for portable devices such as IC recorders. This product features a built-in hardwired MP3 encoder/decoder system, enabling the industry’s lowest power consumption of 5mW and supporting advanced functionality via a built-in digital signal processor (DSP).

• ARM7TDMI-STM1, AMBA(r) (AHB/APB) system
• Internal SRAM(512k byte), Internal ROM(128k byte).
• Boot code and built-in standard function
• MultiPort Memory Controller (one CS),
• External Memory Controller (two CS)
• DMA controller (2ch), Interrupt controller
• (external 5ch + enhancing 16ch, and internal 31ch factor)
• SIO(2ch), UART(2ch),
• I
• C (1ch Single Master and Full/Standard conforming)
• General-purpose port (I/O 40ch+1ch (FBGA221J is selected)).
• Plain timer (1ch) and multiple timer (2ch x 3), Watch dog timer (1ch)
• 10bit A/D converter (6ch)
• SD card IF(2ch) (w/o CPRM), MemoryStick IF(1ch)
• USB2.0(480Mbps/12Mbps) device IF. Built-in PHY
• RTC (real time clock)
• MP32 hard wired encoder/decoder
• DSP system
• WMA3 (Microsoft WMA Decoder Profile Level3 conforming)
• AAC (MPEG4 LC-AAC)
• Variable speed playback (x0.5-2.0)
• Six band equalizer (EQ3), Highband replication circuit(YY filter), Surround (+EQ2) circuit
• 16/24bit PCM interface, Sampling rate converter, BEEP circuit, Digital mic interface
• DA converter and 16bit audio D class amplifier (LC LPF necessity in the outside)