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EEprom programmer

 
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tobifrania1992



Joined: 29 Mar 2011
Posts: 1
Location: Poland/Krotoszyn

PostPosted: Fri Sep 09, 2011 8:17 pm    Post subject: EEprom programmer Reply with quote

May know as it is called a device like this film: http://www.youtube.com/watch?v=ZMt3GRaxrkE I mean the name of a device for flash memory without desoldering
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torbjorn



Joined: 07 Jun 2007
Posts: 370
Location: Sweden

PostPosted: Tue Sep 13, 2011 2:19 pm    Post subject: Reply with quote

There are no universal programmers for reprogramming a flash memory in-circuit, such reprogramming is usually done by the target system's own microcontroller and software.

However, most recent microcontrollers with integrated flash memory can be reprogrammed using JTAG or a similar interface provided by the microcontroller manufacturer - if the board designer has made provisions for it, connected the programming signals to accessible testpoints, not used those signals for other uses in the circuit and so on.

All "universal" programmers require that the memory device is out-of-circuit.
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