第2章_F2812结构与最小系统(16)

2015/11/10

DSP控制器原理及应用

扩展存储器的最小系统需要的控制总线CB

XRS(CPU复位引脚,输入) Device Reset (in) and Watchdog Reset (out). Device reset. XRS causes the device to terminate execution. The PC will point to the address contained at the location 0x3FFFC0. When XRS is brought to a high level, execution begins at the location pointed to by the PC. This pin is driven low by the DSP when a watchdog reset occurs. During watchdog reset, the XRS pin will be driven low for the watchdog reset duration of 5

12 XCLKIN cycles.31

DSP控制器原理及应用

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