High precision ADC, 18.8bit ENOB at 8sps It can be set to 2 differential or 4 single-ended inputs

Low noise, high input impedance preamplifier with selectable gain options: 1,12.5, 50, 100, or 200

8 bits RISC ultra-low power MCU. The typical MCU current consumption is: 300uA at 3V and 2MHz operating clock rate, 1.5uA at standby and 32kHz clock, and less than 1uA at sleep

16K Bytes OTP, 512 Bytes SRAM

OTP with low programming voltage, can replace external EEPROM

Multiple clock sources, flexible clock selection, and external oscillator malfunction detection

ADC output rate: 8~2kSPS

24SEG * 4COM LCD drive with ultra-low power consumption and high driving capability. It has a programmable boost module to maintain luminance at low supply voltage and supports gray scale adjustment

Built-in temperature sensor supports single point calibration

1.2V low temperature drift voltage reference output

Selectable voltage source for external transducer excitation: 2.4V/2.6V/2.9V/3.3V

Flexible battery voltage detection is 2.0~3.3V

ADC has external or internal voltage reference with multiple voltage options

RTC module provides secondary output

Abundant peripheral resources: UART, I2C, SPI, PWM/PDM, PFD, TIMER, CAPTURE

Low voltage detection and power on reset circuit

Operating voltage range: 2.4~3.6V

Operating temperature range: -40~85 ˚C