Product Features

• RISC core

• Operating voltage:

  3.0V-5.5V @8MHz 2.5V-5.5V @4MHz

• Operating temperature range:

  -40℃-85℃

• 4Kx16 Flash

• 344x8 RAM

• Built-in 64-byte data EEPROM

  re-erasable 100 Ten thousand times

• Interrupt source supports 3 timing interrupts,

  RB port level change interrupts

  and other peripheral interrupts

• 2 PWM shared cycles, independent duty cycle

• High-precision 12-bit ADC

• built-in high-precision 0.6 V/1.2V reference voltage

  ±1.5% @VDD=2.5V~5.5V TA=25℃

  ±2% @VDD=2.5V~5.5V TA=-40℃~85℃

• Built-in WDT timer

• Built-in LCD1/2 All I/O ports of the Bias COM drive module

  can be used as 1/2 Bias COM to output the COM port drive current

  The built-in LED drive module can support up to 16 segments with 8 bits or 8 segments with 16 bits

  The COM port has high current drive capability Up to 120mA

  SEG port current can be flexibly configured to 2~30mA

• Built-in two USART communication modules support synchronous master-slave mode and asynchronous full-duplex mode

  USART1 can be configured in RA0/RA1 or RC4/RC5 or RD1/RD2

• supports multiple oscillations mode

  internal RC oscillation: design frequency 8MHz

  external XT oscillation: up to 8MHz

• Package types: SOP16, SOP20, SOP28 and LQFP32