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10/03/01 17:31
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 		 #15388 - RE: testing 6264 SRAM IC-P0
I just ran into a the same pullup problem with the T89C51RD2.

Datasheet said P0 has pullups when using External RAM... It is WRONG! I had to use pullups. It might be true when using both external code and ram, but not when using internal code/external ram.


List of 19 messages in thread
TopicAuthorDate
testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC, Phillip            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC, Phillip            01/01/70 00:00      
RE: testing 6264 SRAM IC, Phillip            01/01/70 00:00      
RE: testing 6264 SRAM IC            01/01/70 00:00      
RE: testing 6264 SRAM IC-P0            01/01/70 00:00      
RE: testing 6264 SRAM IC-P0            01/01/70 00:00      
RE: testing 6264 SRAM IC:Richard            01/01/70 00:00      
Walking 1's and 0's fast Test            01/01/70 00:00      
RE: testing 6264 SRAM IC:Bordyn            01/01/70 00:00      
RE: testing 6264 SRAM IC:Bordyn            01/01/70 00:00      
RE: testing 6264 SRAM IC:Bordyn            01/01/70 00:00      
RE: testing 6264 SRAM IC: swap            01/01/70 00:00      

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