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
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