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AN413 Datasheet(PDF) 2 Page - STMicroelectronics

Part # AN413
Description  Initialization of the ST9
PDF  45 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN413 Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
AN413
2/45
Doc ID 1875 Rev 2
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2
System reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
ST9 basic system configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1
The vector address table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2
Port initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3
Multifunction timer configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4
Multifunction timer initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.5
A/D converter configuration/initialization . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.6
SCI unit configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.7
SCI unit initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.8
Timer/watchdog unit configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.9
Timer/watchdog unit initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.10
Interrupt service routine organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Appendix A
ST9 core and peripheral configuration/initialization . . . . . . . . . . . 19
Appendix B
Examples of ST9 peripheral configurations . . . . . . . . . . . . . . . . . . 25
Appendix C
Examples of timer 0 configurations . . . . . . . . . . . . . . . . . . . . . . . . . 30
Appendix D
Examples of A/D converter configurations . . . . . . . . . . . . . . . . . . . 37
Appendix E
Examples of SCI configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Appendix F
Examples of watchdog/timer configurations . . . . . . . . . . . . . . . . . 43
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44



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