The purpose of this guide is to walk hardware designers through the various stages of designing a board on this platform.
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This document follows the structure shown in Figure 1. Each design stage in the Timeline links to a collection of useful documentation, application reports, and design recommendations pertaining to that stage. Using this guide, hardware designers can efficiently locate the resources they need at every step in the board design flow.
The first step in designing the hardware platform is to create a detailed block diagram. The block diagram should contain all major system ICs and illustrate which I/O ports are used for device interconnection. Below is a collection of resources to aid in the Block Diagram creation process.
The block diagram that you are creating should also indicate which interface will be used for booting this device. These devices contain an on-chip ROM bootloader with the following features:
The following boot modes are supported:
If the first boot source fails to boot, the ROM will move on to the next one in the sequence. Keep in mind that some boot sources take some time to timeout if that boot source isn't available.
To understand details on different boot modes, see the device-specific technical reference manual (TRM).
Key Boot Considerations are: