描述:Circular MIL Spec Connector TV 37C 37#22D PIN J/N RECP Manufacturer:Amphenol(安费诺) Product Category:Circular MIL Spec Connector Product Attribute:Attribute Value
IsrIRQsubsp,sp,#4;reserved for PC;堆栈指针减4,空出一个单元,以便后面放入PC需要的字(看不懂英文吗?)stmfdsp!,{r8-r9};r8,r9入栈,此时存储r8,r9的两个堆栈单元下面的一个单元是空的ldrr9,=INTOFFSET;从interrupt offset寄存器读取中断偏移量ldrr9,[r9]ldrr8,=HandleEINT0;以中断向量0为
评论