Features

• • 1T 8052 core, MCS-51 instruction set compatible
    
  • Instruction execution time: Min. = 41.67ns @24 MHz
    
  • 384 Bytes of RAM (256 Bytes of standard 8051 internal Data RAM and 128 Bytes of external RAM)
    
  • 16K Bytes of flash memory for program storage
    
  • Supporting Dual Clock Oscillators:
    
  - Main clock: External DC ~ 24 MHz Crystal Oscillator or Internal 12 MHz RC
  
  - Sub clock: External 32.768 kHz Crystal Oscillator or Internal 32 kHz RC
  
  • 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
    
  • Two UARTs (UART0, UART1), support 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)
    
  • LCD Control Driver
    
  - Mode A: 4 COM x 19 SEG or 8 COM x 19 SEG
  
  - Mode B: 4 COM x 20 SEG or 8 COM x 16 SEG
  
  • 16-channel 12-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)
    
  • 44 programmable bi-directional I/O pins, 11 of them with both high current sink/source ability (10mA)
    
  • One Buzzer, with four selectable frequencies and three output paths
    
  • 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: 2.2V ~ 5.5V
    
  • Operating temperature: -40℃ ~ +85℃