FEATURES

♦ Memory configuration

   OTP ROM size: 1K * 16 bits.

   RAM size: 48 * 8 bits.

♦ Four levels stack buffer.

♦ I/O pin configuration

   Input only: P1.1.

   Bi-directional: P0, P1, P2, P5.

   Wakeup: P0, P1.

   Pull-up resisters: P0, P1, P2, P5.

   External interrupt: P0.

   One pin with open-drain: P1.0.

♦ 3 interrupt sources

   Two internal interrupts: T0, TC0.

   One external interrupts: INT0.

♦ Powerful instructions

   One clock per machine cycle

   Most of instructions are one cycle only.

   All ROM area JMP instruction.

   All ROM area lookup table function (MOVC)

♦ One channel PWM output. (PWM0)

♦ One channel Buzzer output. (BZ0)

♦ Two 8-bit timer counters. (T0, TC0).

♦ One RTC timer. (T0)

♦ On chip watchdog timer.

♦ Three system clocks

   External high clock: RC type up to 10 MHz

   External high clock: Crystal type up to 16 MHz

   Internal low clock: RC type 16KHz(3V), 32KHz(5V)

   Internal high clock: 16MHz RC type.

♦ Four operating modes

   Normal mode: Both high and low clock active

   Slow mode: Low clock only

   Sleep mode: Both high and low clock stop

   Green mode: Periodical wakeup by T0 Timer

♦ Package (Chip form support)

   PDIP 14 pins

   SOP 14 pins

   SSOP 16 pins