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Forum: ARM programming with GCC/GNU tools sam7x + RTL8201BL + 20F001n


Author: Ali Asadzadeh (ali_asadzadeh)
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Hi
this is my first post in this forum.
i have some experience in 8bit world and i want to start using arms.so i
decided to build my own eval board using arm and because i have limited
Budget i should build it myself.i have done building the first one and
it worked perfectly(it just have some led buttons and a uart).now i
wanted to develop the second version with ethernet support i'm new to
ethernet and do not know where to start and at least i should have a
dev. boeard so here is my question can some one help me with the
sechematic i have no idea how to connect rtl8201 and 20f001n to
sam7x256.and do you have any good book or link so i can get familiar
with ethernet easily and rapidly.
and thanks in advance for your help.

Author: Martin Thomas (mthomas) (Moderator)
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Ali Asadzadeh wrote:
> Hi
> this is my first post in this forum.
> i have some experience in 8bit world and i want to start using arms.so i
> decided to build my own eval board using arm and because i have limited
> Budget i should build it myself.i have done building the first one and
> it worked perfectly(it just have some led buttons and a uart).now i
> wanted to develop the second version with ethernet support i'm new to
> ethernet and do not know where to start and at least i should have a
> dev. boeard so here is my question can some one help me with the
> sechematic i have no idea how to connect rtl8201 and 20f001n to
> sam7x256.

I have a schematic for SAM7X with RTL8201 here. But it's marked with a
note that it must not be reproduced without permission. It's created by
the "ARM Study Group" (www.arm.or.kr) so you may try to contact them
directly.

> and do you have any good book or link so i can get familiar
> with ethernet easily and rapidly.
> and thanks in advance for your help.

For access of the basic ethernet hardware the SAM7X datasheet and the
examples in the software package from Atmel should help. TCP, UDP,
"upper layer" protocols are described in a lot of general textbooks.
Documentation of Network stacks should help too (uIP, lwIP,
Ethernut...).

Author: Andrew Kocsis (top_sli)
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Ali Asadzadeh wrote:
> Hi
> this is my first post in this forum.
> i have some experience in 8bit world and i want to start using arms.so i
> decided to build my own eval board using arm and because i have limited
> Budget i should build it myself.i have done building the first one and
> it worked perfectly(it just have some led buttons and a uart).now i
> wanted to develop the second version with ethernet support i'm new to
> ethernet and do not know where to start and at least i should have a
> dev. boeard so here is my question can some one help me with the
> sechematic i have no idea how to connect rtl8201 and 20f001n to
> sam7x256.and do you have any good book or link so i can get familiar
> with ethernet easily and rapidly.
> and thanks in advance for your help.

Tipp only:

If you have a selected device already, look for "alldatasheet.com".
Probably it helps something. Many product has got an advice for
schematic on its datasheet.

Author: Ali Asadzadeh (ali_asadzadeh)
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thanks for your reply.
i have studied their data sheet but i can not understand them well
enough and also RTL8201 does not have any schematic advice.
by the way do you suggest any specific book?

Author: Ali Asadzadeh (ali_asadzadeh)
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>I have a schematic for SAM7X with RTL8201 here. But it's marked with a
>note that it must not be reproduced without permission. It's created by
>the "ARM Study Group" (www.arm.or.kr) so you may try to contact them
>directly.

the www.arm.or.kr is not an english site and google can not translate
it.
do you have their direct email.

Author: Martin Thomas (mthomas) (Moderator)
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Ali Asadzadeh wrote:
>
>
>>I have a schematic for SAM7X with RTL8201 here. But it's marked with a
>>note that it must not be reproduced without permission. It's created by
>>the "ARM Study Group" (www.arm.or.kr) so you may try to contact them
>>directly.
>
> the www.arm.or.kr is not an english site and google can not translate
> it.
> do you have their direct email.

In the document there is the following e-mail address:
iprinceps [at] gmail (dot) com

Author: Ali Asadzadeh (ali_asadzadeh)
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Dear martian thomas
are you the guy how have made winarm?
and i have another question can i run atmel examples on sam7x256+rtl8201
without modification?
do you suggest any good book to begin with ethernet?

Author: Martin Thomas (mthomas) (Moderator)
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Ali Asadzadeh wrote:
> are you the guy how have made winarm?
Yes. But I'm just a "packager". The GNU and other tools in WinARM are of
cause not made by me. I made some of the examples but most of them are
just adapted from examples made by others.

> and i have another question can i run atmel examples on sam7x256+rtl8201
> without modification?
The codes provided by Atmel are prepared for the Atmel
evaluation-boards. I don't know if Atmel uses "RTL8201" but if yes,
chances are good that the code will run without modifications. The Atmel
Eval-Board-Schematics are available from atmel.com.

> do you suggest any good book to begin with ethernet?
Sorry, no, so far I found everything needed in the online-documents and
in example-codes/code-libraries.

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