Are the possibilities to use pins as custom I/O's for external wiring - NEEK

Thanks.

In the meantime, I tried to find as many pins as possible. Here are my results:

- SDA, SCL possible

- UART_TXD possible, with an advantage: you can see the traffic via the TXD-status LED

- UART_RXD not possible, it's just one-way, so not usable as an output

- SD-Card possibe

- VGA_VS, VGA_HS couldn't get these working, no idea why ...

Unfortunately, there are pull-up resistors and resistors in series within the PS2 and SD-Card lines which might bring disturbances. Could cause problems with some busses.

not tested yet:

- PS2 clk and data pins

I don't know yet which pins to use as all of them have further electronical components connected. Maybe I have to find a way to use the first unused third (~30 pins) of the HSMC. Are there any HSMC adapters which split up the three parts?

Regards,

Leo