[time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd
attila at kinali.ch
Sun Aug 14 08:00:10 EDT 2016
On Sun, 14 Aug 2016 08:29:48 +0000
"STR ." <strykar at hotmail.com> wrote:
> Serial port 3 and 4 are provided via the GPIO pins connected to an NCT5104D I/O controller which is 5V tolerant.
> I believe that's why it was suggested to avoid the 3V-5V conversion.
Oops.. I missed that the other UARTs were connected to the GPIO header.
If you use those, you can directly connect the LEA outputs, as the LEA
does use 3.3V CMOS for I/O.
Any simple idea will be worded in the most complicated way.
More information about the time-nuts