Nick Ivanter

uClinux on Kinetis K70 and K61

Discussion created by Nick Ivanter on Jun 25, 2012

Linux (uClinux) runs just beautifully on the Kinetis K70 and K61. Using ‘dhrystone’, we at Emcraft Systems get about 50% performance we get on a 250Mhz Freescale PowerPC box. Fast boot-up, lots of RAM (the TWR-K70 module provides 128MB of RAM and 256MB of NAND Flash), networking, JFFS2, framebuffer, SSH, HTTPD, Qt/E – all this runs just fine on K70. Overall user experience is your regular “embedded Linux” on an MMU-full microprocessor.


Here is a video of the Kinetis K70 Tower Kit running uClinux 2.6.33 (with busybox) + U-Boot with an ultra fast boot time (about 2 seconds) and showcasing a few capabilities of the system including:

  • TCP/IP stack support
  • SSH server (dropbear)
  • HTTP server
  • NFS support
  • JFFS2 support