MCU-PLUS-SDK-AM263X: AM263P4: GPIO Configuration and VIM interrupts

ARJUN RAVEENDRANATH

Part Number: MCU-PLUS-SDK-AM263X
Other Parts Discussed in Thread: AM263P4

Tool/software:

Hello All,

1. Is the info provided in [FAQ] MCU-PLUS-SDK-AM263X: Configuring GPIO Interrupts - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums relevant to AM263P4 device as well?

2. VIM0 is connected to R50_0. 4 GPIO INT_XBARs can be routed to VIM_0 and hence to the R50_0 core. Does this mean we cannot have more than 4 GPIO ISR for each core?

3. Please provide an example project with more than 1 gpio input interrupts. The example in sdk "gpio_input_interrupt example" uses a bank example.

Thanks,

Arjun

9 months ago

+1 Akshit Pareek 9 months ago

TI__Expert 3300 points

Hi Arjun,

Yes, the FAQ is valid for AM263P4 as well.
Yes, we can not have more than 4 GPIO ISR's for each core. But, you can use GPIO bank interrupt. The 16 GPIO pins in the same bank will share the same interrupt number and interrupt ISR.
Please refer to the following e2e to get an idea on configuring more than 1 gpio interrupt, an example is also present in the e2e thread itself.
https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1339500/am2634-gpio-interrupt-configurations

Let me know if you need any help!

Regards,
Akshit

0 ARJUN RAVEENDRANATH 9 months ago in reply to Akshit Pareek

Prodigy 205 points

Hello Akshit,

Thanks for the clarification