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Is SPI4 available for users on TMS570LS3137 Development Board?

user4246247
Prodigy 60 points
Other Parts Discussed in Thread: TMDS570LS31HDK

Hi,

  SPI4 can neither be seen on the schematic diagram nor on the Tables 2-6 thru 2-10 in the User Guide. Is this due to the SPI4 is internally occupied for some usage and not available for users?

  Thank you very much in advance.

Masaki

  • 0
    TI__Guru 59540 points
    Hello Masaki,

    Based on tghe table references in the user guide, I assume you are referring to the TMDS570LS31HDK. The SPI4 functionality is not brought to the pins of the ZWT package by default and must be configured via the pinmux control. The SPI4 functionality is muxed behind the default pin functions NHET1[0:3,5]. These pin function names are in Expansion Connector P3 (J11) pins 37-41.