RE: [oc] numeric PIN or PAD number

["Jerrold Wen" <jwen@visualsonics.com>]

Hi Paul,

The letters are probably because you are using a BGA (Ball grid array
package) and the "pins" (solder balls) are in a grid format.  Check the
datasheet for physical locations.

Jerrold.

-----Original Message-----
From: owner-cores@opencores.org [mailto:owner-cores@opencores.org] On Behalf
Of paul
Sent: June 17, 2003 12:46 AM
To: cores@opencores.org
Subject: [oc] numeric PIN or PAD number


Hi

Any one know how to find out "pad" or "pin" mapping of Virtex II. For
example, for iverilog and Spartan 2 device, I can do this:

// 88 is smply P88
$attribute(clk, "PAD", "88");
$attribute(s, "PAD", "67,39,62,60,46,57,49");

But with Virtex II, all the pin names have 1 or 2 extra letters in front
of it --which won't compile.
NET "clk" LOC = "AD16";
NET "led0" LOC = "B27";
NET "led1" LOC = "B22";

How do I find the numeric Pin number? Thanks

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