JTAG Multichain

christoph239955 · ‎2006-02-02

Posted on February 02, 2006 at 13:54

JTAG Multichain

joseph2399 · ‎2011-05-17

Posted on May 17, 2011 at 12:10

1. Check to make sure FlashLINK is working with a single device.

2. Check your JTAG connections between FlashLINK and each device per the chaining example in the data sheet. Since it is not reading the JTAG ID out correctly, it seems like there may be a connection problem.

christoph239955 · ‎2011-05-17

Posted on May 17, 2011 at 12:10

Hello,

I have a problem with two uPSD3333D in a JTAG chain. I have built two projects for each uC. In one Project I try to flash them.

I get the following error Message back.

Quote:

DATE : 02/02/2006 TIME : 11:42:33

IDCODE(s) detected: 3FFFFFFFFFFFFFFFF0

Mismatch of the IDCODE.

What is the problem?

Please look to the attached JTAG image...

HELP ME!!!

christoph239955 · ‎2011-05-17

Posted on May 17, 2011 at 12:10

Hi,

Thank you for the fast reply!!! :D

1.) My JTAG Device works with a single Dev.

2.) Which Data- Sheet do you mean? How could I read out the JTAG ID? (Is it the IDCODE?)

I use a 4pin JTAG chain like in the pdf File ''9685.pdf'' at page 200.

if I put only one device in the chai i get the error message:

Quote:

DATE : 02/02/2006 TIME : 18:23:04

IDCODE(s) detected: 1E3450F041

Mismatch of the IDCODE.

Thanks...