Forum: PSRAM Area!
05-10-2008, 07:51 PM
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Replies: 66
Views: 137,773
No.... After i mounted the SDRAM chip ... I...
No.... After i mounted the SDRAM chip ... I decided to go back and finish off the SRAM interface for the IIcmxp as I left it 80% wired up before I got derailed with pumping out uthernets and our...
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Forum: PSRAM Area!
05-04-2008, 11:24 PM
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Replies: 23
Views: 41,068
Thats what I am the most famiiliar with.
...
Thats what I am the most famiiliar with.
yeah I think we have different ideas on where to plug in the logic (at least at first) - you want SDRAM to look/act/smell like old dram ... you have to...
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Forum: PSRAM Area!
05-04-2008, 03:41 AM
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Replies: 23
Views: 41,068
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Forum: PSRAM Area!
05-03-2008, 06:57 PM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
05-02-2008, 04:09 AM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
05-02-2008, 04:06 AM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
05-02-2008, 03:25 AM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
05-02-2008, 03:23 AM
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Replies: 66
Views: 137,773
Still messing around with Eagle ... my latest...
Still messing around with Eagle ... my latest attempt with labels, resistors and caps
http://www.a2retrosystems.com/images/memory%20project/breakout_5mil_trace_8mill_drill_cap_res.png
Big Size...
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Forum: PSRAM Area!
04-30-2008, 02:48 PM
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Replies: 66
Views: 137,773
Lower rez
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Lower rez
http://www.a2retrosystems.com/images/memory%20project/breakout_5mil_trace_8mill_drill.png
Slightly better looking but larger file size
...
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Forum: PSRAM Area!
04-29-2008, 09:39 PM
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Replies: 66
Views: 137,773
No that was just a quick test ... it has a few...
No that was just a quick test ... it has a few issues
1) pad size is 36mil - needs to be 30mil
2) both vcc and gnd traces would not route for some reason so I have to do that manual
3) some of...
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Forum: PSRAM Area!
04-24-2008, 04:46 PM
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Replies: 2
Views: 7,541
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Forum: PSRAM Area!
04-23-2008, 11:55 PM
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Replies: 23
Views: 41,068
Circuit Cellar?
Any one have back issues of Circuit Cellar
ISSUE 125 - December 2000
Theme: EMBEDDED DEVELOPMENT
SDRAM: The New Embedded Solution—by Mark Balch, 12.
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Forum: PSRAM Area!
04-23-2008, 09:37 PM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
04-23-2008, 02:17 PM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
04-23-2008, 02:16 PM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
04-23-2008, 12:53 PM
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Replies: 66
Views: 137,773
I am not sure if this is the norm in the...
I am not sure if this is the norm in the electronics business but I have been waiting for quotes on a few things now and while it is small volume it really can't be that diffiicult if your setup for...
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Forum: PSRAM Area!
04-23-2008, 12:37 PM
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Replies: 4
Views: 11,335
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Forum: PSRAM Area!
04-23-2008, 12:26 PM
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Replies: 23
Views: 41,068
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Forum: PSRAM Area!
04-23-2008, 03:28 AM
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Replies: 66
Views: 137,773
Just looking at this AVR32 board now and while...
Just looking at this AVR32 board now and while it's wonderfull they brought out all the i/o onto two rows down the side of the PCB but did they have to make the spacing so frickin small? for want of...
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Forum: PSRAM Area!
04-23-2008, 12:46 AM
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Replies: 23
Views: 41,068
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Forum: PSRAM Area!
04-22-2008, 12:10 AM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
04-21-2008, 11:39 PM
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Replies: 66
Views: 137,773
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Forum: PSRAM Area!
04-21-2008, 11:25 PM
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Replies: 23
Views: 41,068
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Forum: PSRAM Area!
04-21-2008, 11:24 PM
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Replies: 23
Views: 41,068
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Forum: PSRAM Area!
04-21-2008, 11:15 PM
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Replies: 66
Views: 137,773
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