In message <NDBBIHDFKLJKGJJGMFJOOEILCGAA.dmacarth at ufl.edu> you wrote: > > Does have any information regarding generating RC spec PWM signals using the > MPC850 > that does not bog down the processor? Also does anyone know how to expand
You can, to a certain degree, use the RISC timers to set up a couple of PWM channels that run with zero CPU load (just some load on the CPM). See the PWM driver (arch/ppc/8xx_io/pwm_8xx.c) in our kernel source tree. But be warned: do NOT use any of the port B pins for I/O in such a setup. There is a race condition within all MPC8xx CPUs. > the number > of RS232 ports for the MPS850 from two to 2+. Add one or more external UARTs? This has been done before (for example, we have a design with 2 x octal UARTs on a MPC8xx system). Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de An age is called Dark not because the light fails to shine, but because people refuse to see it. -- James Michener, "Space" ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
