HP-67 1705A01234 [erase other's cards, writes and sometime read back its own cards]
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11-21-2021, 12:51 AM
Post: #4
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RE: HP-67 1705A01234 [erase other's cards, writes and sometime read back its own cards]
(11-21-2021 12:43 AM)albertofenini Wrote: Thanks Tony WE stays Logic LO when reading and probably stays LO all the time when idle. If it goes Logic HI, the write circuits become active which is undesirable for any other mode than writing. If WE goes HI when reading, it will affect the stored card data. cheers Tony |
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