Author Topic: interfacing SPI slaves using parallel port  (Read 10776 times)

alaayesh

  • Member
  • ***
  • Posts: 2
interfacing SPI slaves using parallel port
« on: December 31, 2010, 03:31:23 pm »
hello,
is it possible to interface 3 wire spi interface slaves using pc's parallel port??? and what is the minimum frequency that can be used for spi slaves????

please help


Jan Axelson

  • Administrator
  • Frequent Contributor
  • *****
  • Posts: 2825
    • Lakeview Research
Re: interfacing SPI slaves using parallel port
« Reply #1 on: December 31, 2010, 05:51:56 pm »
Yes, my article here will get you started:

http://www.janaxelson.com/files/seeprom.pdf

SPI has no minimum clock frequency though a specific device might. See your chip's data sheet for specifics on the interface.

The inpout DLL for accessing the port is here:

http://www.janaxelson.com/parport.htm#Programming

Jan
« Last Edit: June 27, 2015, 09:40:55 am by Jan Axelson »

alaayesh

  • Member
  • ***
  • Posts: 2
Re: interfacing SPI slaves using parallel port
« Reply #2 on: January 01, 2011, 06:53:20 am »
Dear Mrs.Axelson,

thank you a lot.
i appreciate your help a lot
thanks again

best regards,
Ala Ayesh