Issues in designing JTAG device

[stanley2]

Posted on April 29, 2004 at 14:47

Issues in designing JTAG device

[stanley2]

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]

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]

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]

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?