AT91SAM7S DATASHEET PDF

A detailed mechanical descrip- tion is given in the section Mechanical Characteristics of the full datasheet. Figure lead LQFP Package Pinout ( Top View). AT91SAM7S-EK Evaluation Board User Guide . One CD-ROM containing summary and full datasheets, datasheets with electrical and. AT91SAM7S Microchip Technology / Atmel ARM Microcontrollers – MCU datasheet, inventory, & pricing.

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I have a small test program where the only interrupt I’ve enabled is the periodic interval timer, and it’s been configured to generate 1-msec interrupts. I’ve tried trapping all the system peripheral interrupt sources I can find documented in the datasheet, datashwet none of them other than the PIT appear to be active.

I ask this because of the datasheet text that says things like “the system peripheral interrupts, such as the periodic interval timer, debug UART, etc. I’ve been unable to locate any definitive text at91sm7s the datasheet that says “these are all the possible sources of system peripheral interrupts”. Here’s my system peripheral ISR code, minus all the define’s to keep this post shorter.

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Equinox Products Page – ISPnano- Atmel AT91SAM7 – ARM7 JTAG Device Library Licence

As you can see, I tried putting infinite loops in all the unexpected interrupt handlers. When I run the code, it doesn’t stop on any of the infinite loop spots in the ISR. Are there any other system peripheral traps I should cover in this ISR?

My system peripheral ISR keeps triggering in an infinite loop, but I can’t figure out what the cause of the infinite re-triggering is. I tried saving this file several different ways using a variety of editors, but I can’t get my carriage returns to work in this forum Sorry for the ugliness of the below code.

Tested the same thing twice I’ll fix that, but that just showed that none of those interrupts were ever enabled.

If this is how the chip works, that seems pretty odd to me. Of course, that’s only my opinion. The bottom line is I’ve got to study the datasheet much closer to see exactly how the different interrupt modes work, to figure out how my code got so lost in this infinite loop with the system peripheral interrupt in the first place. This site uses cookies to store information on your computer.

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AT91SAM7S system interrupt

By continuing to use our site, you consent to our cookies. Please review our Privacy Policy to learn more about our collection, use and transfers of your data. Important information This site uses cookies to store information on your computer. Products Download Events Support Videos. AT91SAM7S system interrupt Dave Sudolcan I have a small test program where the only interrupt I’ve enabled is the periodic interval timer, and it’s been configured to generate 1-msec interrupts.

The system peripheral interrupt service routine Hopefully this reply will fix that. Sorry to have to admit it was due to cockpit error.