TM4C1294NCPDT: Why are pins 60 to 63 of TM4C1294NCPDTT3 on page 12 of the MMWAVEICBOOST schematic pulled up and pulled down with resistors?

yoshitsugu hirata

Part Number: TM4C1294NCPDT
Other Parts Discussed in Thread: MMWAVEICBOOST, , TMDSEMU110-U

Why are pins 60 to 63 of TM4C1294NCPDTT3 on page 12 of the MMWAVEICBOOST schematic pulled up and pulled down with resistors?
I would like to know the pin settings.

over 2 years ago

0 Ishita Kochar over 2 years ago

TI__Mastermind 31680 points

Hello Yoshitsugu,

Our concerned hardware expert is looking into your concern and will get back to you in a period of 24 hrs.

Thankyou for your patience.

Regards,

Ishita

0 CHETHAN KUMAR Y.B. over 2 years ago in reply to Ishita Kochar

TI__Mastermind 25785 points

Hello Yoshitsugu-san,

This is the reference design received from the XDS110 team, Could you please raise the E2E thread in XDS110 processor forum E2E?

Thanks and regards,

CHETHAN KUMAR Y.B.

0 Chester Gillon over 2 years ago

Guru 92251 points

yoshitsugu hirata said:
Why are pins 60 to 63 of TM4C1294NCPDTT3 on page 12 of the MMWAVEICBOOST schematic pulled up and pulled down with resistors?

While the source of XDS110 firmware which runs in the TM4C1294NCPDT isn't publicly available, from threads such as TMDSEMU110-U: GPIO control for embedded XDS110 - prerequisites believe that the XDS110 firmware samples the value on PK4..PK7 to identify the type of XDS110 hardware, e.g. embedded on a launchpad or a standalone TMDSEMU110-U.

0 CHETHAN KUMAR Y.B. over 2 years ago in reply to Chester Gillon

TI__Mastermind 25785 points

Hello Chester Gillon,

Thank you for posting response.

Thanks and best regards,

CHETHAN KUMAR Y.B.

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TM4C1294NCPDT: Why are pins 60 to 63 of TM4C1294NCPDTT3 on page 12 of the MMWAVEICBOOST schematic pulled up and pulled down with resistors?