2 boot options, 2 boot options -4, Figure 4-1. flow chart of boot rom software -4 – Cirrus Logic EP93xx User Manual

Page 122: Figure 4-1

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4-4

DS785UM1

Copyright 2007 Cirrus Logic

Boot ROM
EP93xx User’s Guide

4

4

4

Figure 4-1. Flow Chart of Boot ROM Software

4.2 Boot Options

Table 4-1

shows configuration settings that are common to all boot modes.

Set Up
Clocks

Set Up

Memory

Download

Code

Boot

Download

Start Internal Boot

Copy
Code

Boot Code

Copy

Read Boot

State

UART Download ?

SPI Boot ?

Copy

Vectors

Flash

Green Led

Boot Flash

SDCS (6 or 7)

Flash Boot ?

Boot Sync

SDCS (0 or 3)

Sync Boot ?

See 4.2.3

See 4.2.4

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