GPIO Setting in SAM4S WLCSP package by custom board

Discussion around product based on ARM Cortex M4 core.

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raipiel
Posts: 2
Joined: Wed May 20, 2015 8:15 am

GPIO Setting in SAM4S WLCSP package by custom board

Wed May 20, 2015 8:19 am

Hi, 
I have been using SAM4S explained pro ev board for a while, and everything works perfectly fine, BUT...
now I have to start working with the SAM4S8B WLCSP package (64 ball)  in order to get a miniature circuit . 
When i used a  explained pro ev board  in the past.
GPIO setting was as follows.

#define PWMA IOPORT_CREATE_PIN(PIOA,23)  
                                    
 
Explained pro ev board was consist of Sam4s32c 100-lead LQFP.
As a result, I would set gpio pin as #define PWMA IOPORT_CREATE_PIN(PIOA,23) .
But WLCSP Pin pakage number start A1,A2~H8.
It would not work #define PWMA IOPORT_CREATE_PIN(PIOA,A3)  
How can i setting in WLCSP package? 
 
Thanks! raipiel
raipiel
Posts: 2
Joined: Wed May 20, 2015 8:15 am

Re: GPIO Setting in SAM4S WLCSP package by custom board

Wed May 20, 2015 9:44 am

Thank you for your help.

I try to study you suggested. 

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