Iulian, Gheorghiu

Attiny Atmega Xmega core

io/twi_s.v references a PULLUP:

```
PULLUP PULLUP_scl_inst (
.O(scl)  // 1-bit output: Pullup output (connect directly to top-level port)
);
PULLUP PULLUP_sda_inst (
.O(sda)  // 1-bit output: Pullup output (connect directly to top-level port)
);
```

How is that supposed to be implemented?

My synthesis complains:

```
Error	2019990	Synthesis	ERROR - CG389 :"/home/j/my_designs/mega_avr/source/impl_1/twi_s.v":322:7:322:21|Reference to undefined module PULLUP [twi_s.v:322]	
```

PULLUP seems to be not defined

There are no source files associated to this project,
could you consider adding the source to SVN?

Consult our project page:
http://opencores.org/opencores,faq_pe
http://opencores.org/opencores,svn

otherwise the automatic project checker will flag your project as empty and mark it for deletion.

Best,

/:/ OC-team

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Attiny Atmega Xmega core