High precision ADC, ENOB=20.6bits@250sps, 2 differential or 4 single-ended inputs (to VSS)

8-bit RISC low power MCU, 49 instructions and 6 stack levels. The MCU current consumption is 300μA typically at 3V and 2MHz operating clock rate. Standby current is 2μA at 32kHz clock, and 1μA at sleep typically

4k Bytes OTP program memory storage, 256 Bytes SRAM data storage

Internal 4MHz and 32kHz RC oscillators

1 channel 8bits PWM output

WDT enhances reliability

Schmitt trigger input, pull up resistor selectable

Power failure detection circuit and power-on reset circuit

Operating voltage range： 2.4~3.6V

Operating temperature range： -40~85℃