Product Description

  n 16-bit RISC DSP

n 4-Stage Pipeline，1 Clock Cycle per Instruction

n System Clock 55 MHz/55 MIPS (Tpy. 55 MHz/55 MIPS).

n Built-in 2M Hz RC oscillator（accuracy 0.5%）

n Built-in 32768 Hz / 4M Hz / PLL clocks

n External clock input PORT[14]

n Built-in 32K Words（64K Bytes）ROM（OTP）

n Built-in 8K Words（16K Bytes）SRAM

n Built-in 40-bit MAC（DSP instruction）

n MAC supports signed / unsigned saturation

n ALU supports signed saturation operation

n Built-in 16 Analog inputs and built-in VREF for 14bit ADC.

n Built-in 3 x 14 bit ADC.

n Built-in 1 x 16-bit Timer and 2 x 14-bit Timer

n 3 x 8/10bit PWM output(I/O)

n 1 tone generator (interpolation)

n 1 MIC amplifier 64 levels (0~63dB).

n 16x general purpose I/O (LDO/VCC voltage and programmable wakeup )

n Built-in 100mA LDO (@3.0V).

n Built-in 4 levels LVD（Low Voltage Detect）

n Built-in WDT(Watch Dog Timer) maskable/unmaskable

n 1x SPI(Duwal/Quad) interface

n 1x16 bit ΔΣ Multi-Level high resolution DAC

n 1xPWM Speaker Amplifier (10/11/12 bits PWM / 4 driving levels)

n 16 levels amplifier gain control.

n Class AB /PWM Speaker Driver with 4 levels of driving controlling.

n Operating Voltage 2.4V~5.1V（LVR default is 2.1V）

n Standby Current 2uA