ROM (FLASH) : 16K Bytes

SRAM : 1K Bytes

General Purpose I/O (GPIO)
     - 44-pin PKG : 42
      (R0[7:0], R1[7:0], R2[7:0], R3[5:0], R4[7:0], R5[3:0])
     - 42-pin PKG : 40
      (R0[7:0], R1[7:0], R2[7:0], R3[5:0], R4[7:0], R5[1:0])
     - 32-pin PKG : 30
      (R0[7:0], R1[7:0], R2[7:0], R3[5:0])
     - 28-pin PKG : 26
      (R0[7:0], R1[7:0], R2[0], R2[7:5], R3[5:0])

Basic Interval Timer (BIT) 8Bit × 1ch

Watch Dog Timer (WDT) 8Bit × 1ch

Watch Timer (WT)

Timer/ Counter 8Bit × 4ch
     (or 16Bit x 2ch )

SIO 8Bit × 1ch

UART 8Bit × 1ch

I2C 8Bit × 1ch

Buzzer 8Bit x 1ch
     244 – 250kHz @8MHz

PWM 8Bit x 2ch, 10Bit × 3ch, 16Bit x 1ch

12 Bit ADC * 15 ch.

Interrupt Sources
     - External interrupts(INT0~11),
     - Timer0 Match/overflow
     - Timer1 Match/overflow
     - Timer2 Match/overflow
     - Timer3 Match/overflow
     - WDT, BIT, WT, SIO, UART(Tx/Rx), I2C

On-Chip RC-Oscillator 8/4/2/1MHz

Power On Reset (POR)
     - Reset release level 1.83V/t*
      (detect only rising)

Low Voltage Reset (LVR)
     4 level detector
     (4.0V, 3.0V, 2.7V, 2.4V)

Minimum Instruction Execution Time
     166ns (@12MHz 2 Cycle *P Instruction)

Power down mode IDLE

STOP mode

Sub-Active mode System used external 32.768KHz oscillation clock

Operating Voltage & Frequency
     - 2.2V ~ 5.5V : 1.0 - 4.2 MHz
     - 2.7V ~ 5.5V : 1.0 - 8.0 MHz
     - 4.0V ~ 5.5V : 1.0 - 12.0 MHz

Operating Temperature - 40°C ~ 85°C

Oscillator T*e
     - Crystal
     - Ceramic
     - RC

PKG T*e
     - 44MQFP
     - 42SDIP
     - 32SDIP/SOP
     - 28 SKDIP/SOP