RE: [IBIS] problem with the pin mapping

In the IBIS syntax below pins 2 and 3 are commented out in the [Pin]
section. Therefore they "do not exist" and can not appear in [Pin Mapping].
They could be commented out in [Pin Mapping] also to avoid the error. Or
they could be uncommented in the [Pin] section and the model references
changed from dummy to NC.

Mike LaBonte

-----Original Message-----
From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Vivek
Kumar Sundriyal
Sent: Tuesday, December 21, 2004 6:00 AM
To: ibis@eda.org; owner-ibis@eda.org
Subject: Re: [IBIS] problem with the pin mapping

Hi ,

 I have generated the IBIS model for an I/O buffer.. I get the correct
waveforms.
 However if i run IBISCHK4 on the IBIS Model, i get the following error.

ERROR - Component '32G0402': Pin Mapping Pin '2' not previously declared in
Pin section.
ERROR - Component '32G0402': Pin Mapping Pin '3' not previously declared in
Pin section.

[Pin] signal_name model_name R_pin L_pin C_pin
1 vss GND
| 2 DA dummy
| 3 EN dummy
6 vssio GND
7 vddio POWER
9 PAD iobuffer
12 vdd POWER
|
[Pin Mapping] pulldown_ref pullup_ref gnd_clamp_ref
power_clamp_ref
|
1 DRV_GND NC
2 NC NC
3 NC NC
6 CLMP_GND NC
7 NC CLMP_VDD
9 DRV_GND DRV_VDD CLMP_GND CLMP_VDD
12 NC DRV_VDD

Now if i remove the comments from Pin name 2 and 3 from the pin section,
than i get the following error :- ERROR - Component '32G0402': Model 'dummy'
for Pin '2' not defined.
ERROR - Component '32G0402': Model 'dummy' for Pin '3' not defined.

How do i get over this error ?

Thx,
Vivek

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Received on Tue Dec 21 06:42:56 2004