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Issues in designing JTAG device

stanley2
Associate II
Posted on April 29, 2004 at 14:47

Issues in designing JTAG device

4 REPLIES 4
stanley2
Associate II
Posted on May 17, 2011 at 12:00

I am trying to develop a jtag device for uPSD3233B.

Now,i success read the IDCODE of the target mcu, but i have no idea of knowing the security status.

Can anybody tell me how to do this?Supplying sample code would be advantage.

Regards.

stanley2
Associate II
Posted on May 17, 2011 at 12:00

As we know,IEEE11 descript the JTAG port.

I am using the standard mode,4 pin were used(TDI,TDO,TMS,TCK) by MCS-

Pls tell me how to reprogram and erase the target mcu.

I also want to know that,where can i download some documents about designing software for JTAG.

Thanks.

joseph2399
Associate II
Posted on May 17, 2011 at 12:00

STMicroelectronics offers PSDsoft (Windows application) in conjuction with FlashLink (JTAG dongle) for programming the uPSD products via JTAG. You can download PSDsoft from the following webpage:

http://www.st.com/stonline/products/families/memories/psm/soft_c2.htm

For more information on FlashLink, go to the following webpage:

http://psmdev.st.com/fllink.php

stanley2
Associate II
Posted on May 17, 2011 at 12:00

Thanks.

I have another question,when i perform ISC-SPECIAL,there are for commands as the following list:

ISC-SPECIAL(ERASE)

ISC-SPECIAL(PGM)

ISC-SPECIAL(NONE)

ISC-SPECIAL(ERASE&PGM)

There are two bits can be transfered by TDI,how can i part the value of the two bits?