TMS570LC4357: Using EMIF and ETMDATA at the same time

Danilo A.

Hi Team,

Our customer is planning to use ETMDATA pins to get the trace from XDS560v2 Pro Trace probe, but on TMS5704357BGWTEP, pins associated to ETM Data[8] up to ETMDATA[31] have double functionality shared with EMIF bus, which they also need to use.

Is it possible to use both IF at the same time? How can they perform this task? Do they have to reconfigure each multifunction pin each time they need one IF or the other?

Thank you for your support!

Regards,

Danilo

over 5 years ago

0 QJ Wang over 5 years ago

TI__Guru**** 201476 points

Hi Danilo,

For XDS560v2 trace pro, the width of the ETM data port is configurable. You can trace 4 ETM output signals or 8 ETM output signals on the target. You don't have to use all the 32 ETMS outputs.

0 Jesus Vicente over 5 years ago

Prodigy 30 points

Hello QJ Wang,

Thanks for your support.

I have some questions regarding this topic, how can we configure the probe/microcontroller/CCS to use outputs [0..7]? Do we have any restrictions or disadvantages in using less than 32 bits?

It wil be helpful to have some aditional documentation or manual becuase data sheet offers little iformation related to ETMDATA pins.

Thanks in advance.

Best regards.