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关于CC2530中断响应时间

Other Parts Discussed in Thread: CC2530

TI工程师你好,

近几日发现CC2530对外部中断响应时间非常长,大约有10uS,按理说8051的中断响应最多也就8个机器周期, 32M的的晶振,1uS内都可以跑32个周期了。

我的程序已经非常简单,一个main函数,配置完晶振和IO就开始等外部IO中断,中断上来后将一个IO输出为1,我观测的示波器,从上升沿触发到IO口输出1的间隔有10uS,为什么有这么长的响应时间?

有什么建议吗?

谢谢!