uPSD3354DV PD1 Pin
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Hi Everyone

I have a problem using uPSD3354DV 80TQFP (3.3V) ...

As described in the manual PD1 and PD2 (Pins 3 and 1) can be used as GP I/O but im not able to use PD1 pin as OUTPUT (PD2 works fine instead). I tried to configure all the PORT D's related register but the pin still continue to remain in a floating state (???)

When i FIT the project using PSD Soft Express i can see this result

Port D: (pins 4 3 1)
I/O Pins : 3 / 3
GP I/O or Address Out : 1
Logic Inputs : 0
Chip-Select Input : 0
Clock Input : 1
Control Signal Input : 1
Fast Decoding Outputs : 0

So, could the PD1 pin remain as input due a wrong configuration? I know that PD1 have an alternate CLKIN function.

- Am i wrong? But where?
- Something related with PSD Soft Express?

Thank You for your help

Furno Gianluca





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