66AK2H14: DDR3 controllers access

Madhu Sharma

Expert 2915 points

Part Number: 66AK2H14

Hi,

I am using 1Gb DDR3 IC in DDR3A and another 1Gb DDR3 in DDR3B controller.

Please let me know whether these two controllers can be accessed at a time by any of the cores or peripherals ?

Thanks & Regards,

Madhu Sharma K

over 8 years ago

0 Yordan Kovachev over 8 years ago

TI__Guru**** 161600 points

Hi Madhu,

See 1.6 Functional Block Diagram from the device Data Manual.

One of the DDR controllers (DDR3A) is available for direct access from the ARM CorePac & DSP CorePack through the MSMC.
The other DDR (DDR3B) is available to the corepacks & the device peripherals through the TeraNet chip interconnection.

Best Regards,
Yordan

0 Madhu Sharma over 8 years ago in reply to Yordan Kovachev

Expert 2915 points

Hi Yordan,

Thanks for the reply.

Can the ARM CorePac & DSP CorePacks access DDR3B ?

Regards,
Madhu.

0 Yordan Kovachev over 8 years ago in reply to Madhu Sharma

TI__Guru**** 161600 points

Hi,

Yes, it should be possible to access it through TeraNet, see the block diagram:

The path is ARM/DSP CorePac <-> MSMC <-> TeraNet <-> DDR3B

Best Regards,

Yordan

0 Madhu Sharma over 8 years ago in reply to Yordan Kovachev

Expert 2915 points

Hi Yordan,

Thanks for the reply.

Whether both controllers can be accessed at a time?

For example, when one ARM core is accessing DDR3A, can another DSP core access DDR3B at the same time ?

Regards,
Madhu.

0 Yordan Kovachev over 8 years ago in reply to Madhu Sharma

TI__Guru**** 161600 points

Hi Madhu,

Yes.

Best Regards,
Yrodan

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66AK2H14: DDR3 controllers access