Heya,
something that threw me for a little while is this.
A pc104 Bus _is_ an ISA bus, but with 4mA drive and sink instead of 20mA. IIRC.
I posted a couple things a week or so ago under "ISA / PC104 tutorial"
>From that post.
www.sbs.com.cn/disk/xgzl/ISAtime.pdf
http://linuxgazette.net/124/dutta.html
http://www.cryogenius.com/hardware/isacard/
-Lares
On Sun, 04 Feb 2007 22:11:37 -0000
"HOSAM YOUSIF" <> wrote:
> hi all..(questions about ts-7250)
> 1.i need to know what the range of volage can i put into any data pin
> on pc104 to represent the logic'1' & logic'0'
> 2.if i want to conncet for example 4 buttons & 4 leds to pc/104 as i/p
> and o/p the question now:
> I.in this case i want to know if i want to do this i will using data
> pins only and not using address pins and interrupt pins and other pins.
> II.i want to know,is the 8-bit data is all of them are input or output
> if this, i must do any thing to make to ports one for input and other
> for output , i can't understand this how can i do this ports(two port
> from one port 8-bit)
> thanks alot
>
>
pgppfLISFwLKh.pgp
Description: PGP signature
|