32 bits MCU, 1.8432 MHz operating clock rate

32k Bytes MTP, 2k Bytes SRAM, 512 Bytes EEPROM

Built-in 3.6864 MHz RC oscillator, typical error is less than ±1% at -40~125℃ after calibration

Built-in double 24 bits ADC, low noise PGA, 1 differential or two single-ended inputs. Internal temperature sensor input is selectable.

High precision 16 bits DAC, supports proportional and absolute voltage output (0~2.5V/0~5V/0~10V),Operating current is 4~20mA

Built-in one way voltage incentive. 2.5v and 4v are selectable.

Built-in two way current incentive. 100μA, 250μA, 500μA and 750μA are selectable

Built-in low temperature drift benchmark. Typical value is 5ppm℃, maximum is 10ppm℃

OWI, UART, SPI and I²C communication ports. There are 4 GPIO includes 3 external interrupts

Operating voltage range: 6.5~40V. Built-in high voltage power management module

Operating temperature range: -40~150℃