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???
07/23/11 11:50
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 		 #182992 - It looks as if the STC is a RS232 ISP
Responding to: ???'s previous message
From a brief look at the STC website, the STC devices can do IAP. They do ISP via an RS232 bootloader.

The Atmel AT89S51/2 do ISP via an SPI i/f.

The eBay demo board does not make any claim to do HVPP.
For a start, you would need a ZIF for any target chip and control the VPP voltage.

OTOH, it looks as if it would support STC or NXP or Atmel RS232 style bootloader enabled chips.

The STC chips look quite interesting --- 8051 with a lot of extras.
The Atmel AT89S52 is really bog-standard 8051.

David.

List of 40 messages in thread
TopicAuthorDate
ISP Programmer / Good for both 8051 and 8052?            01/01/70 00:00      
   Never assume            01/01/70 00:00      
   yes and no            01/01/70 00:00      
   Thanks            01/01/70 00:00      
   Programmer for Atmel 8051 microcontrollers            01/01/70 00:00      
   Do only buy the ATMEL's original AT89ISP programmer cable!            01/01/70 00:00      
      I disagree            01/01/70 00:00      
         You expect...            01/01/70 00:00      
   WHY?            01/01/70 00:00      
      Have you been on holiday with Richard?            01/01/70 00:00      
         Those are the conventional meanings            01/01/70 00:00      
            This is getting silly.            01/01/70 00:00      
               I see - I think?            01/01/70 00:00      
                  It looks as if the STC is a RS232 ISP            01/01/70 00:00      
         Clearly not, as Richard would never, Never, NEVER use ATMEL            01/01/70 00:00      
            different reasons            01/01/70 00:00      
               Not necessarily ... though very possibly.            01/01/70 00:00      
                  The Two from the retirement home...            01/01/70 00:00      
                     Statler and Waldorf ...            01/01/70 00:00      
                     would you be inclined to deal with ...            01/01/70 00:00      
                        We all have these stories...            01/01/70 00:00      
                           not at all            01/01/70 00:00      
                              I have to agree            01/01/70 00:00      
                           Those are minor offenses by comparison.            01/01/70 00:00      
                              Exists?            01/01/70 00:00      
                                 Peeeeer...            01/01/70 00:00      
                        Now I understand the "Arghmel" thing            01/01/70 00:00      
                           Have you ever told us this before?            01/01/70 00:00      
                              I have never experienced such problems            01/01/70 00:00      
                                 It's not so much the problem, as the handling of it.            01/01/70 00:00      
                                    Gee ... I thought it was just the French design team            01/01/70 00:00      
                           I do not            01/01/70 00:00      
            Advise, seniors, please..            01/01/70 00:00      
               Start a new thread!            01/01/70 00:00      
               re: advise            01/01/70 00:00      
               Have you considered FRAM?            01/01/70 00:00      
   there is no such thing            01/01/70 00:00      
      Since we are being pedantic            01/01/70 00:00      
         Programming adapter?            01/01/70 00:00      
         A distinction is necessary?            01/01/70 00:00      

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