- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
in cyclone3,what is the most speed of I/O,if it didn't use any standard?
for 3.3 lvttl is 100Mhz,lvcmos is 167Mhz,and if there is no any standard ,what is the most speed ?for **MHZ?Link Copied
3 Replies
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
just about the common speed?
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
You can't have "no ... standard". There's always a default standard if you don't specifically assign one.
Go to the ASSIGNMENTS menu, select DEVICE..., click the DEVICE & PIN OPTIONS button and select the VOLTAGE tab. The default I/O standard can be selected there.- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
thank u very much ,i think i got it.
Reply
Topic Options
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page