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USB Low-Full-High Speed Peripherals

Anonymous
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  Is it possible to set PA0 and PA1 as interrupt input while using PA4 and PA5 as fifoaddr at the same time ??

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Anonymous
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Hi George,

   

 

   

In Slave FIFO mode, PA4 and PA5 by default act as FIFOADR lines. Thus, in order to use PA4 & PA5 as FIFOADR lines, you just need to configure FX2LP in Slave FIFO mode. Once in Slave FIFO mode, you can select between the functions of PA0/1 pins. It can either be used as GPIO or INT pins. In order to use them as INT pins set PORTACFG.0/PORTACFG.1 accordingly.

   

i.e. It is possible to use PA0/1 as INT pins, and PA4/5 as FIFOADR lines. For that the settings should be as follows:

   

IFCONFIG[0:1] = 11

   

PORTACFG[0] = 1

   

PORTACFG[1] = 1

   

 

   

Regards,

   

Gayathri

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