SN8P2614的IC結構一流,包括大容量(6K-word)的程式記憶體(OTP ROM),192-byte的資料記憶體(RAM)。1個8位基本計時器T0,1個8位定時/計數器(TC1),1個看門狗計時器,4個中斷源(T0, TC1, INT0, INT1),1通道的PWM輸出(PWM1),1通道的Buzzer輸出(BZ1)和8層堆疊暫存器。此外,用戶還可以自行選擇振盪模式,SN8P2614提供4種不同的振盪器模式給系統作為系統時鐘,包括外部高/低速晶體振盪器、陶瓷諧振器、外部廉價的RC振盪器、內部16MHz RC振盪器作為系統時鐘,和一個由程式控制的低速RC振盪器作為低速模式的時鐘源
(function() {if (typeof desc === 'undefined') {setTimeout(arguments.callee, 100);return;} TShop.renderDesc(desc);})();工作电压:2.4V~5.5V(Fosc = 4MHz) ROM:2K * 16 bits RAM:64 * 8 bits 4层堆栈缓存器 双向输入输出I/O口:P0,P1,P5 由改变电平触发唤醒的端口:P0,P1 外部中断源:P0 一个内部中断源:INT0 两个内部中断源:T0,TC0 内置看门狗定时器 内部高速时钟:16MHz RC振荡器 外部高速时钟:晶体 16MHz 内部低速时钟:RC振荡器,16KHz/3V,32KHz/5V 一个时钟周期就是一条指令周期 大多数指令周期就是一个时钟周期 查表功能(MOVC)可寻址整个ROM区 (function() {if (typeof desc === 'undefined') {setTimeout(arguments.callee, 100);return;} TShop.renderDesc(desc);})();
1.1 FEATURES♦ Memory configuration ♦ Three interrupt sources OTP ROM size: 1K * 16 bits. One internal interrupts: T0, TC0. RAM size: 48 * 8 bits. One external interrupts: INT0. Four levels stack buffer ♦ Two 8-bit Timer/Counter♦ I/O pin configuration T0: Basic Timer with 0.5sec RTC. Bi-directional: P0, P1, P2, P5. TC0: Auto-reload timer/Counter/Buzzer output Input only: P1.1. Programmable open-drain: P1.0. ♦ On chip watchdog timer and clock source is internal Wakeup: P0, P1 level change trigger low clock RC type (16KHz @3V, 32KHz @5V). Pull-up resisters: P0, P1, P2, P5. External Interrupt trigger edge: ♦ Dual system clocks P0.0 controlled by PEDGE register. External high clock: RC type up to 10 MHz External high clock: Crystal type up to 16 MHz♦ 3-Level LVD. Internal high clock: 16MHz RC type. Reset system and power monitor. Internal low clock: RC type 16KHz(3V), 32KHz(5V) ...