FEATURES
24-bit DSP based voice/audio processor Operation voltage – Core logic: 2.25V~2.7V – I/O pads: 3.0V~3.6V Voltage regulator for core logic Low Voltage Reset (LVR) _ 2.5V low voltage reset One PLL to generate high system frequency from a 3MHz source _ 12M~30MHz PLL output Tow clock sources _ Crystal...........................................................3MHz _ External input...……………………………......3MHz Low power down current _Typical current: 3uA One 16-bit programmable Timer One clocking output One external interrupt _ Edge/level trigger supported One 16-bit direct-drive DAC – Maximum current: 145mA MCU interfaces _ Parallel mode Two Serial PORT interfaces(SP) _ Programmable data length from 8-bit to 16-bit _ I2S, Left/Right Justified interfaces to external DAC/ADC Function List _LBRC playback (1.2Kbps, 1.6Kbps, 2.4Kbps for 8KHz) (1.6Kbps, 2.2Kbps, 3.3Kbps for 11KHz) 1. AB-Repeat 2. Time stretch (speed up x2, speed down x2) 3. Combine syllable _Audio Playback (CBR, VBR-- all bit rate) 1.
Sitronix Technology
