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08/05/02 19:48
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#26765 - AT89C52 pogramming question.
I am an electronics engineer involved with
linear accelerators.I am new to 8052's but
have programmed 68705p3 and 8086 using
assembler some time back (before kids).
I plan on using an AT89C52 for my first
foray and found some on the Jameco site.
Having read the Atmel data sheet I have
a question before I buy the chips.
On the datasheet it says "the AT89C52
is shipped with either high-voltage (12v)
or low-voltage programming mode enabled".
There is a topside mark of "5" on the chip
if the low voltage mode is enabled.
Initially I want to program with 12 volts
since I have a programmer and an adaptor
available.If the chips come from Jameco
with the low Vpp mode enabled does this
rule out my using the 12 volt Vpp as I
want to? If they come low Vpp mode enabled
does it really make any difference or is
there some work around so I can use 12 volts.
Or do I just have to find a retailer who
specifies which version they are selling (Jameco do not).Thanks for any help,sorry
it's such a basic question.
I'm using the Pinnacle suite trial version
and have found it easy to use.I plan to buy
the full option later this month and then I
am set to start programming.

Phil Bassett




List of 6 messages in thread
TopicAuthorDate
AT89C52 pogramming question.            01/01/70 00:00      
RE: AT89C52 pogramming question.            01/01/70 00:00      
   RE: AT89C52 pogramming question.            01/01/70 00:00      
      RE: AT89C52 pogramming question.            01/01/70 00:00      
RE: AT89C52 pogramming question.            01/01/70 00:00      
RE: AT89C52 pogramming question.            01/01/70 00:00      

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