hi developers,

                  I am currently involved with designing a PSoC1 based application board. i need to include in system serial programming into the circuit . when i read the ISSP related application notes given here ( http://www.khalus.com.ua/psoc/pdf/modules/ISSP.book.pdf ) and  here http://www.cypress.com/?docID=33767 what i understood is, it is best to implement the reset programming method for in-system /in-circuit programming. and the power to the PSoC IC during in-circuit programming is the same as the Vcc powering the application circuit. can anyone tell me whether what i understood is right?

i have one more query suppose a previously downloaded application program is running in the PSoC IC (in-circuit) how will  this condition interfere with the programming action initiated by the programmer(since the circuit is powered on and power is common for programmer and the application circuit)?

 hi developers,

         sorry i forgot to ask the main question i came to ask in the first place. is there any application note or other knowledge base article other than mentioned here in my previous post that describes the ISSP in reset mode in detail and in a simplified way? 

This might help -

www.cypress.com/

Regards, Dana.

Even thought this is HSSP might be useful -

www.cypress.com/

Regards, Dana.

@ dana,

the links you have provided seems to be incomplete can you please post the full link

thank you

Here they are -

http://www.cypress.com/?rID=2906

http://www.cypress.com/?rID=2726

I tried them again in my original posts, seem tyo work, looks like your browser security

settings affecting link usage.

Regards, Dana.

 Hi,

Here's a link to the general PSoC programming page - http://www.cypress.com/?rID=2543

Apart from the AN2014 and AN44168 appnotes, you might want to look at the Programming technical reference manuals (http://www.cypress.com/?rID=2907, http://www.cypress.com/?rID=2908) for deeper technical data on the programming protocol.

And, to answer your question in the first post, during Reset programming, the programmer asserts the Reset line, which ensures the programming lines are released from normal operation and configured with the programming drivemode (resistive low). In this condition, the programmer can transmit the programming data/ bit pattern (1 = strong High, 0 = release bus, pulled down by resistive low DM).

Have I understood you're requirement right that you want the programmer also on your target board, or just want to have the ic-circuit programming capability for the target PSoC 1 in your board?

Regards,

Arvind