Features

• • 8-bit single chip microcontroller with 8K bytes Flash ROM and 384bytes SRAM
    
  • Wide voltage operating range from 2.7 V to 5.5 V
    
  • On-chip RC oscillator runs at 4MHz and crystal oscillator can run up to 6.0 MHz
    
  • 6 interrupt sources (external:1; internal:5) ; all sources have independent latches each and multiple interrupt control is available
    
  • I/O port (32 pins)
    

  -Port P0 8 pins (shared with analog inputs; 4 pins with 20 mA sink current)
  

  -Port P1 8 pins (20 mA sink current)
  

  -Port P2 8 pins (shared with SEG9~SEG16)
  

  -Port P3 8 pins (shared with SEG1~SEG8)
  

  • Interval Timer (Internal time base generator)
    
  • Operating current 2mA/4MHz@5V; providing standby mode (OSC is stopped and current consumption < 1 uA@5V) and key wake-up mode
    
  • Watchdog timer
    
  • Dual PWM
    
  • Dual 16-bit timer/counters
    
  • A/D converter module
    

  -8 analog inputs multiplexed into one A/D converter
  

  -Sample and hold
  

  -20 uS conversion time/per channel
  

  -12-bit resolution with 2 LSB accuracy
  

  -External reference input, ADVRF
  

  • LCD driver (automatically display)
    

  -LCD direct drive (max. 8-digit display at 1/4 duty)
  

  -1/4, 1/3, 1/2 duties and 1/2, 1/3 biases can be selected by programming
  

  • Package: LQFP48