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....