Main frequency is 8MHz/16MHz, voltage is 2.0V to 4.5V, supply 8KB ROM，344B RAM ，128B EEPROM, Built-in 24-bit precision Sigma-Delta ADC, supports 1 differential input with selectable gains of 2 、4 、12 、16 、48、64 、128 、384. Output rate selectable: 10Hz~10.4KHz; Effective resolution up to 20.0 bits, with internal short switch and system chopper switch, PGA pass-through SAR ADC, integrated temperature sensor. Built-in multi-channel 12-bit SAR ADC; Support hardware LED drivers, support up to 8COM x 8 SEG, Supports 1 UART, Support 2  timers, Can work at -40°C to 85°C, provide SOP16 and SSOP24 packages.

> RISC core

> Working voltage: 2.5V-4.5V @16MHz

> Working temperature: -40℃ ~ +85℃

> 8KB ROM

> 344B general RAM

> 128B EEPROM

> 2 8-bit timers

> Built-in Buzzer driver

> Built-in multi-channel 12-bit SAR ADC

> Built-in 24bit high precision Sigma-Delta ADC（speed:10Hz~10.4KHz）, support 1 differential input, the highest Effective accuracy of 20.0bit, integrated temperature sensor

> Built-in LED driver

> 1 UART interface

> 18 general-purpose GPIO

> Package type: SOP16、SSOP24