FEATURES
Powerful Power Management Unit Operating voltage range: 3.0V ~ 6.5V All function off standby Current: 1uA (Typ.) Support power-down mode for power saving Build-in LDO for core and external SPI flash: 2.35V ~ 2.75V Programmable I/Os Support 27 GPIOs Programmable high output voltage: VCORE or VDD 2 hardware SPI interface Powerful 16-Bits Digital Audio Processor. 8bits-MCU with 16bits-DSP engine as 16-bits audio processor Selectable PWM or DAC voice output with 16-bits resolution Support software ADPCM and u-Law and PCM compression library Support 6KHz ~ 48KHz sample rate Oscillator Support internal ROSC, external ROSC external crystal mode ±1% deviation for internal ROSC ±1% deviation for external ROSC with on-system calibration procedure Memory Build-in 12K bytes flash structure program memory with 20’000 times erase/program Build-in 8K bytes SRAM Support external SPI flash for voice data storage Support software memory management library Single Chip, High Quality Audio/Voice R...