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TMS320LF2406A: Flash error in factory

Part Number: TMS320LF2406A
Other Parts Discussed in Thread: SPRC074

Hi Champs,

>Some details to post are: Which link on this page is customer needing more information for JTAG, RS232, API, etc.?  What is the error?  Is this production >programming or field returns?  The RS232 does have a download available for sprc074, is this the tool used?: 

Customer created 10 boards. 1 board occurred flash error.

Customer is using sprc074 tool.

Error phenomenon is bellow

Exexcute this command and flash file. 

serhost1.exe hs000.hex

 <Error log>

BAUD rate detect .........
OK
Initializing device ...
Waiting.
OK
Clearing
Waiting..
OK   <- Wrong ACK received. program terminated.(Failure board stopped at this command)
Erasing
Waiting...
OK
Programming

Could you please see any reason due to chip issue ?

Regadrs,

Kz777