Appendix A – Watchdog Timer Programming
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A.1 Watchdog Timer Registers
GENE-QM77 rev. A utilizes ITE IT8728F chipset as its watchdog timer controller.
Below are the procedures to complete its configuration and the AAEON intial
watchdog timer program is also attached based on which you can develop customized
program to fit your application.
Configuring Sequence Description
After the hardware reset or power-on reset, the ITE 8728F enters the normal mode with
all logical devices disabled except KBC. The initial state (enable bit ) of this logical
device (KBC) is determined by the state of pin 121 (DTR1#) at the falling edge of the
system reset during power-on reset.
There are three steps to complete the configuration setup: (1) Enter the MB PnP Mode;
Содержание GENE-QM77
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Страница 14: ...3 5 Subcompact Board GENE QM77 Rev A Chapter 1 Chapter 1 Product Specifications...
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Страница 65: ...3 5 Subcompact Board GENE QM77 Rev A Appendix A Appendix A Watchdog Timer Programming...
Страница 75: ...3 5 Subcompact Board GENE QM77 Rev A Appendix B Appendix B I O Information...
Страница 76: ...Appendix B I O Information 63 3 5 Subcompact Board GENE QM77 Rev A B 1 I O Address Map...
Страница 77: ...Appendix B I O Information 64 3 5 Subcompact Board GENE QM77 Rev A...
Страница 78: ...Appendix B I O Information 65 3 5 Subcompact Board GENE QM77 Rev A B 2 Memory Address Map...
Страница 79: ...Appendix B I O Information 66 3 5 Subcompact Board GENE QM77 Rev A B 3 IRQ Mapping Chart...
Страница 80: ...Appendix B I O Information 67 3 5 Subcompact Board GENE QM77 Rev A B 4 DMA Channel Assignments...
Страница 81: ...3 5 Subcompact Board GENE QM77 Rev A Appendix C Appendix C Mating Connectors...
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Страница 97: ...3 5 Subcompact Board GENE QM77 Rev A Appendix E Appendix E Electrical Specifications for I O Ports...