产品名称：SN8P2501B

产品说明：
 
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 type up to 10 MHz
External high clock: Crystal type up to 16 MHz
Internal high clock: 16MHz RC type.
Internal low clock: RC type 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 type (16KHz @3V, 32KHz @5V).
Powerful instructions,One clocks per instruction cycle (1T).