ADUCRF101 RF has several GPIO pins and some of them can used for external interrupt.
May I know how many HW interrupt GPIO pins will there be? Or all through SW interrupts for GPIO ports?
Thanks a lot and have a nice!
The ADuCRF101 is a Cortex-M3 based part, with a Nested Vectored Interrupt Controller (NVIC).
The relevant point of this is the vectored part; The appropriate handler will be called automatically.
You may be familiar with the ARM7TDMI based parts already. The interrupt handling on Cortex-M3 is much superior.
There is a total of five external pins which can be used for external interrupt capability on the release version of the ADuCRF101.
The version that is sampling right now has 7, but two of these are being reserved for the radio interaction for the actual production version.
Thanks for your input.
If we want to use two or more as external interrupt input and there's an IRQ signal comes, do we identify the source IRQ by software in one intterrupt routine? Or we can use different interrupt routines for several IRQ sources?
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