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High precision ADC, ENOB=18.4bits@8sps, 1 differential or 3 single-ended inputs

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

8 bits RISC ultra low power MCU, 49 instructions and 6 stack levels. The MCU current consumption is 600uA typically at 3V and 2MHz operating clock rate, 1.8uA at standby and 32kHz clock, and less than 1uA at sleep

16k Bytes OTP program memory storage, 256 Bytes SRAM data storage

Low OTP programming voltage at 2.4~3.6V, can replace external EEPROM

Internal RC oscillator, no external clock needed

Built-in RTC module, together with external 32.768kHz crystal to show seconds, minutes and hours.

8 bits interrupt timer, support PFD output

Built-in temperature sensor, supports single point calibration

Built-in 1 channel UART communication port

16SEG X 4COM LCD drive, ultra-low power consumption and large drive capability design; programmable boost module to maintain luminance at low supply voltage

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

Flexible battery voltage detection: 2.3~3.0V

All logic inputs are Schmitt triggered with optional pull up resistor

Watch Dog Timer

Low voltage detection and power on reset circuit

Operating voltage range: 2.4~3.6V

Operating temperature range: -40~85℃