Features

• • 1T 8052 core, MCS-51 instruction set compatible
    
    • Instruction execution time: Min. = 41.67ns @24 MHz
      
    • 256 Bytes of RAM (256 Bytes of standard 8051 internal Data RAM)
      
    • 4K Bytes of flash memory for program storage
      
    • Supporting Internal & External Clock Oscillators:
      
    - Internal clock: 12 MHz RC oscillator or 32 kHz RC oscillator
    
    - External clock: 32.768 kHz ~ 24 MHz Crystal Oscillator
    
    • Dual 16-bit Data Pointers (DPTR0 & DPTR1)
      
    • Two 16-bit Timer/Counters (Timer0, Timer1)
      
    • One Watchdog Timer (WDT)
      
    • One Watch Timer
      
    • One 16-bit Enhanced Timer with Capture function
      
    • One UART (UART0), supports baud rate 1200 bps ~ 230400 bps (at 12 MHz)
      
    • 128 Bytes Emulated E2PROM
      
    • One master/slave SPI interface
      
    • One master/slave I2C interface
      
    • Two 16-bit PWMs (PWM0, PWM1) with four outputs
      
    • 16-channel 10-bit Analog/Digital Converter (ADC0 ~ ADC15) with Voltage Reference source
      
    • One Comparator with 32-level Voltage Reference sources
      
    • Three power-saving modes: Sleep mode, Green mode and Idle mode
      
    • 16 external Interrupt IRQ pins (IRQ0 ~ IRQ15)
      
    • 18 programmable bi-directional I/O pins, 5 of them with both high current sink/source ability (10mA)
      
    • Low Voltage Detection (LVD) and Low Voltage Detection Reset (LVDR), both of them are programmable
      
    • On-chip Power On Reset (POR) and Low Voltage Reset (LVR)
      
    • Built-in single-wire In-Circuit Emulator (ICE) and In-System Program (ISP)
      
    • Read Out Protection and Code Encryption
      
    • Operating voltage range: 1.8V ~ 5.5V
      
    • Operating temperature: -40℃ ~ +85℃