•哈佛大学提供的16 MHzSTM8内核
体系结构和三级管线
•扩展指令集
回忆
•程序存储器：8kbyte闪存；数据
100次循环后在55°C下保持20年
•内存：1千字节
•数据存储器：128字节真实数据EEPROM；
耐久性高达100 k的写入/擦除周期
时钟、重置和供应管理
•2.95 V至5.5 V工作电压
•灵活的时钟控制，4个主时钟源
–低功率晶体谐振器振荡器
–外部时钟输入
–内部，用户可微调16 MHz RC
–内部低功率128 kHz RC
•带时钟监视器的时钟安全系统
•电源管理
–低功率模式（等待、活动停止、停止）
–单独关闭外围时钟
–活跃，低消耗
通电和断电复位
中断管理
•具有32个中断的嵌套中断控制器
•6个向量上多27个外部中断
Core • 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline • Extended instruction set Memories • Program memory: 8 Kbyte Flash memory; data retention 20 years at 55 °C after 100 cycles • RAM: 1 Kbyte • Data memory: 128 bytes true data EEPROM; endurance up to 100 k write/erase cycles Clock, reset and supply management • 2.95 V to 5.5 V operating voltage • Flexible clock control, 4 master clock sources – Low-power crystal resonator oscillator – External clock input – Internal, user-trimmable 16 MHz RC – Internal low-power 128 kHz RC • Clock security system with clock monitor • Power management – Low-power modes (wait, active-halt, halt) – Switch-off peripheral clocks individually – Permanently active, low-consumption power-on and power-down reset Interrupt management • Nested interrupt controller with 32 interrupts • Up to 27 external interrupts on 6 vectors
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