Re: PIC or Freescale HC08 ??
- From: nico@xxxxxxxxxxx (Nico Coesel)
- Date: Mon, 27 Mar 2006 16:24:35 GMT
<r.laury@xxxxxxxxxxx> wrote:
Hi Group:
I've got a project that I'm contemplating that needs:
To read a keypad with 20 switches.
Control 7 digits of 7 seven segment displays.
Generate pulses for a small stepper motor. (full step and micro step)
Possible control of a brushless servo motor with encoder feedback.
Monitor a few simple sensors.
A few hundred bytes of RAM is enough.
Program size with lookup tables ect, should be under 4-6K.
Flash would be nice.
I've never worked with the PIC and looking at their product line up there's
just too many to chose from.
I have worked with the Motorola stuff (HC05) but they are not making anymore
HC05 parts.
My question is, What PIC would you use to do the above. Or maybe use several
PIC's to get the job done?
Or would you just go for one of the bigger HC08's?
Did you consider TI's MSP430 series? This has flash, is programmable
from the serial port by connecting DTR and RTS and it is loaded with
I/O. One of the advantages is that is has a flat memory model and it
is fast. This makes it very easy to program in C. A free compiler is
also available (mspgcc).
--
Reply to nico@nctdevpuntnl (punt=.)
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