Cirrus Logic EP93xx - Manual (Page 122)

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