[En-Nut-Discussion] 4-6 serial ports on the ethernut?

[Uwe Bonnes]

>>>>> "Ovidiu" == Ovidiu  <ovidiu256 at gmail.com> writes:

    Ovidiu> Hi, I am thinking of using a software solution (direct
    Ovidiu> connection of max232 to the i/o port), but i don't know if this
    Ovidiu> is possible with Nutos without some serious programming (or
    Ovidiu> maybe it is easy, but i don't know how...) and I don't have
    Ovidiu> knowledge of any "hardware" chips that can do this. Can you give
    Ovidiu> me some advice on this?

Realizing a bitbanging UART driver, at least at reasonable baud rates, might
be a challenging programming option. Consider connecting external uart chip,
either busconnected, like the typical 550s, look for spi (or even i2c)
connected chips or realize them in an CPLD/FPGA.


-- 
Uwe Bonnes                bon at elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------