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Simplified programming flow
6
PROGRAMMING CONNECTOR DESCRIPTION
6.1
INTRODUCTION
This chapter gives useful information about the programming signals for those XE8000 developers who want to
program their application in circuit.
6.2
HIGHLIGHTS
The items discussed in this section are:
•
DB25 connector
•
Programming on board
•
Example of application connection for the two types
6.3
DB25 CONNECTOR
The connector below is a SUB-D 25 pin (male) connector. The pins are implemented in the following way:
Figure 5 : Frontal view of the programming connector
© Semtech 2006
Programming
MAX 5X
Write Blocking bits
MAX 5X
Figure 4 : Simplified Flash programming flowchart
XE8000 ProStart II
START
typeII
Erase flash
Erasing
OK?
Write Data
Write OK
?
Verify high
margins
Verify low
margins
END
21
User Guide
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Troubleshooting
