PORTS Forum

Ports and Interfaces => Parallel Port => Topic started by: alaayesh on December 31, 2010, 03:31:23 pm

Title: interfacing SPI slaves using parallel port
Post by: alaayesh 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

Title: Re: interfacing SPI slaves using parallel port
Post by: Jan Axelson 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

Title: Re: interfacing SPI slaves using parallel port
Post by: alaayesh 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