Features

• • 1T 8052 core, MCS-51 instruction set compatible
    
  • Instruction execution time: Min. = 41.67ns @24 MHz
    
  • 512 Bytes of RAM (256 Bytes of standard 8052 internal Data RAM + 256 Bytes of external RAM)
    
  • 16K Bytes of flash memory for program storage (8K Bytes for WT51F108)
    
  • Supporting Internal & External Clock Oscillators:
    
  - Internal clock: 12 MHz / 24 MHz RC oscillator or 32 kHz RC oscillator
  
  - External clock: 32.768 kHz ~ 24 MHz Crystal Oscillator
  
  • Dual 16-bit Data Pointers (DPTR0 & DPTR1)
    
  • Three 16-bit Timer/Counters (Timer0, Timer1, Timer2)
    
  • 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)
    
  • Emulated E2PROM
    
  • One master/slave SPI interface
    
  • One master/slave I2C interface
    
  • Four 16-bit PWMs (PWM0, PWM1, PWM2, PWM3) with several (up to four) outputs
    
  • 16-channel 10-bit Analog/Digital Converter (ADC0 ~ ADC15) with Voltage Reference Source (Band-Gap)
    
  • 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)
    
  • 30 programmable bi-directional I/O pins, 5 of them with both high current sink/source ability (20 mA)
    
  • 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℃ ~ +105℃
    
  • Dice & Package: MSOP10 (118 mil), SSOP20 (150 mil), QFN32 (5mm x 5mm)