產品描述

SN8P2602C的IC结构一流，包括大容量（1K-word）的程序内存（OTP ROM），48-byte的数据存储器（RAM）。1个8位基本定时器(T0+RTC)，1个8位定时/计数器（TC0），1个看门狗定时器，3个中断源（T0, TC0, INT0），1信道可程序PWM，1信道2K/4K buzzer output (P5.5)，40mA 高汲入电流GPIO pin (P5.0~P5.3, P5.5)，4层堆栈缓存器。此外用户还可以自行选择振荡模式，SN8P2602C提供4种不同的振荡器模式给系统作为系统时钟，包括外部高/低速晶体振荡器、陶瓷谐振器、外部 RC振荡器作为系统时钟，一个内部16MHz RC振荡器和一个由程控的低速RC振荡器作为低速模式的时钟源。

Features

·Memory configuration

OTP ROM size:1K * 16-bit

RAM size:48 * 8-bit.Four levels stack buffer

·I/O pin configuration

Bi-directional:P0,p1,p5.

input only:P1.5.

Programmable open-drain:P1.0

Wakeup:P0,P1 level change trigger

Pull-up resistors:P0,P1,P5

External interrupt:P0

·powerful instructions

One clocks per instruction cycle(1T)

most of instructions are one cycle only.

All ROM area CALL address instruction.

All ROM area JMP Instruction,All ROM area lookup table function(MOVC)

·Three interrupt sources

One intermal interrupt:T0,TC0

One extermal interrupt:INT0

·Tow 8-bit Timer/Counter

T0:Basic timer TC0:Auto-reload timer/Counter/PWM0/Buzzer output

·On chip watchdog timer and clock source is internal

low clock RC type(16KHz@3V,32KHz@5V).

·Dual system clocks

Extemal high clock:RC type up to 10 MHz

Extemal high clock:Crystal type up to 16 MHz

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

·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 18 pins,SOP 18 pins,SSOP20 pins