LC823433TA

LC823433TA Audio Processing System LSI for MP3 Record and Playback Devices Overview LC823433TA is an audio processing system for MP3 record and playback devices. It integrates DSP for digital signal processing and analog blocks such as audio ADC, audio DAC, and speaker and headphone amplifier in addition to LCD segment driver. www.onsemi.com Features  32-bit LPDSP32 - SRAM (246 KB)  PM 75 KB (40 KB + 35 KB : ISOLATED)  DMA 170 KB (16 KB + 154 KB:ISOLATED)  DMB 1 KB (ISOLATED) TQFP128 14x14 / TQFP128L ISOLATED area : Power ON/OFF control is available by register. - ROM (264.5 KB)  PM 227.5 KB (ISOLATED)  DMA 34 KB (ISOLATED)  DMB 3 KB (ISOLATED) ISOLATED area : Power ON/OFF control is available by the register. - SIO (Clock Serial IO 2 ch)  SIO0 : Ch0 eSIO (Clock speed = Sysclk/1 (max)) program load and execute is possible using Serial Flash (after internal ROM Boot)  SIO1 : Ch1 SIO (Clock speed = Sysclk/8 (max)) - UART (1 ch) - I2C (1 ch Single Master, Full/Standard) - Plain Timer (2 ch)  Timer0 : w/ Watch Dog Timer  Timer1 : w/o Watch Dog Timer and XT1 operation - Multiple Timer (2 ch) PWM output (1 ch) - RTC (Real Time Clock) Operating voltage is independent of internal core operating voltage. Only RTC power supply can be active during all others inactive (ISOLATED). Continued on next page. ORDERING INFORMATION See detailed ordering and shipping information on page 20 of this data sheet. © Semiconductor Components Industries, LLC, ...