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SPI_CLK generation problem in dm467

Balaji Sivakumar
Intellectual 320 points

Hi,

we have developed new board with DM6467, in that am testing spi eeprom test with same code used for evmdm6467. the only differneces between eeprom in the evm board (32KB)and my board(512KB) is size.

Am able to wrie the datat in the MOSI pin, but not able to read datta in MISO pin, problem waht i susupect we are getting anything on the SPI_CLK pin.Could anyone explian how to get the spi_clk pin(ours is internal clk mode, i have checked the pll0 configuratins alos)

spi_cs0 pin is low.

 

could anyone comment on this

 

thanks,

balaji S

  • TI__Genius 14405 points

    Hi,

    Have you tried running the code on the normal EVM and seen it working? Just want to be sure the code you are talking about is working.

    When you say the only difference between the two eeproms is size, do you mean all other characteristics are identical (speed, page size...)?

    You might need to tweak some of the parameters in SPI if the eeproms characteristics are not the same.