Functional Description
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The memory booting procedure reads data from a memory type device. If a valid booting image is found
and successfully read from the external memory device, the code begins to execute.
The peripheral booting procedure downloads data from a host (commonly a PC) to the device device by
means of Ethernet, USB or UART links. The ROM Code uses a host-slave logical protocol for
synchronization. Upon successful UART, USB or Ethernet connection the host sends the image binary
contents. The peripheral booting procedure is described in detail in Section 26.1.8.
If the memory or peripheral booting fails for all devices enumerated in the device list then the ROM Code
gets into a loop, waiting for the watchdog to reset the system.
4104
Initialization SPRUH73H–October 2011–Revised April 2013
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