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04/16/02 18:34
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#21842 - RE: abt rom loader DAllas 89c420
Have you checked the errata sheets - If the chip is revision A2 then it requires another pin P3.7 (I think) to be pulled high. See the errata sheets on www.dallassemiconductor.com.

Hope this helps

List of 13 messages in thread
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abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      
RE: abt rom loader DAllas 89c420            01/01/70 00:00      

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