一、OTP ROM：1K * 16 bits
二、RAM：48 * 8 bits
三、两个8-bit 定时/计数器
四、内建16M**时钟
五、提供SOP14 SOP08 DIP14 DIP08封装
- OTP ROM size: 1K * 16 bits.
- RAM size: 48 * 8 bits.
- Four levels stack buffer
- Bi-directional: P0, P1, P2, P5.
- Input only: P1.1.
- Programmable open-drain: P1.0.
- Wakeup: P0, P1 level change trigger
- Pull-up resisters: P0, P1, P2, P5.
- External Interrupt trigger edge:P0.0 controlled by PEDGE register.
- External high clock: RC t*e up to 10 MHz
- External high clock: Crystal t*e up to 16 MHz
- Internal high clock: 16MHz RC t*e.
- Internal low clock: RC t*e 16KHz(3V), 32KHz(5V)
- 3-Level LVD.
- Three interrupt sources.
- Two 8-bit Timer/Counter.
- On chip watchdog timer and clock source is internal low clock RC t*e (16KHz @3V, 32KHz @5V).
- Powerful instructions,One clocks per instruction cycle (1T).
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