FEATURES

◆ CPU
      ◇8 Bit CISC Core(8051 Compatible)
◆ ROM capacity
      ◇8K Bytes, Flash with self read/write capability
      ◇On chip debug and In-system programming (ISP)
      ◇Endurance: 100,000 times
◆ SRAM capacity
      ◇256 Bytes (IRAM)
      ◇(Including LCD display RAM, 30 Bytes)
◆ General Purpose I/O (GPIO)
      ◇Normal I/O : 17 Ports (P0[3:0], P1[7:0], P6[4:0])
      ◇LCD shared I/O : 32 Ports
      ◇(P2[7:0], P3[7:0], P4[7:0], P5[7:0])
◆ Basic Interval Timer (BIT)
      ◇8Bit × 1ch
◆ Watch Dog Timer (WDT)
      ◇8Bit × 1ch
      ◇5KHz internal RC oscillator
◆ Timer/ Counters
      ◇8Bit × 4ch (T0/T1/T2/T3) or 16Bit x 2ch (T0/T2)
◆ Carrier Generation
      ◇Carrier generation (by T1), T2 Clock source
◆ Watch Timer (WT)
      ◇3.91mS/0.25S/0.5S/1S interval at 32.768KHz
◆ Buzzer
      ◇8Bit x 1ch
◆ SIO
      ◇8Bit x 1ch
◆ LCD Driver
      ◇24 Segments and 8 Common terminals
      ◇60kΩ and 120kΩ internal dividing resistor selectable
      ◇1/2, 1/3, 1/4, 1/5, 1/6 and 1/8 duty selectable
      ◇1/2, 1/3, and 1/4 bias selectable

◆ UART
      ◇8Bit x 1ch
◆ Power On Reset
      ◇Reset release level (1.4V)
◆ Low Voltage Reset
      ◇14 level detect (1.60V, 2.0V,,,,,, 4.4V)
◆ Low Voltage Indicator
      ◇13 level detect (2.0V,,,,,, 4.4V)
◆ Interrupt Source
      ◇External Interrupts (EINT10, EINT12),
      ◇Key Interrupts (8 inputs)
      ◇T0,,,,3, WDT, WT, BIT, UART, SIO
◆ Internal RC Oscillator
      ◇Frequency: 16MHz ± 1.5% (@0℃ - 50℃)
◆ Power Down Mode
      ◇Stop and Idle mode
◆ Operating Voltage & Frequency
      ◇1.8V to 5.5V @ 32 to 38KHz with X-tal
      ◇1.8V to 5.5V @ 0.4 to 4.2MHz with X-tal
      ◇2.7V to 5.5V @ 0.4 to 12.0MHz with X-tal
      ◇2.0V to 5.5V @ 0.5 to 16MHz with internal RC
      ◇2.0V to 5.5V @ 1.0 to 16.4MHz with PLL
      ◇Voltage dropout converter included for core
◆ Minimum Instruction Execution Time
      ◇122nS at 16.4MHz CPU clock
◆ Operating Temperature
      ◇–40 to +85℃
◆ Oscillator Type
      ◇0.4-12MHz crystal or ceramic for main clock
      ◇32.768Hz crystal for sub clock
      ◇Phase locked loop (Max. 16.4MHz with sub clock)
◆ Package
      ◇52-Pin LQFP, 48-Pin LQFP, Pb-free package