I have a PCBA currently which:

  • Runs a Linux Kernel
  • Communicates through 4 RS232 serial poets
  • Communicates through Ethernet port

It currently uses an AM335x processor, which I am finding is not quite powerful enough to process the serial comms.

So what would be the easiest upgrade path, the best processor I can use? Preferably with on chip memory?

  • \$\begingroup\$ rewrite the software first ... serial comm is not that processor intensive \$\endgroup\$ – jsotola Jul 3 '19 at 23:32
  • \$\begingroup\$ A Linux kernel can be, though. \$\endgroup\$ – user253751 Jul 4 '19 at 0:15

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