• State
  • Locked Locked
  • Replies 1 reply
  • Subscribers 98 subscribers
  • Views 203 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Recommended I2C boot EEPROM device

Angus Thomson
Prodigy 30 points

Hi all

I'm pretty new to the world of TI's DSPs so go easy! Basically I'm designing a fairly minimal board around the TMS320VC5502PGF300. I am using the 3 McBSPs to talk to SPI devices (ADCs), and would like to use the I2C pins for booting from external memory. the eZdsp development board from Spectrum Digital includes a 64Mbit SPI FLASH device for this, but I am struggling to find a similar device that has a I2C interface. I'm not entirely sure how large the firmware will end up being, so was basing the memory size on this reference board.

Could someone recommend a suitable device to allow booting of the DSP over I2C memory that is as large as 64Mbit?

Many thanks!

Angus

  • 0
    Prodigy 30 points

    Wow, I should really think these things through first!

    I presume I can simply add the SPI FLASH to McBSP0 and use GPIO4 as its Chip Select (as per the eZdsp design). Presumably this doesn't mean I can't use McBSP0 for other purposes after boot.

    One remaining question though - is the program FLASH memory accesses after initial boot or can I use McBSP0 to talk to other SPI devices during normal operation?

    Thanks (again)!

    Angus