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Question on EMIFA pinout modes

Anonymous
Anonymous
Guru 17045 points
Other Parts Discussed in Thread: TMS320DM6437

Hi,

 

I would like to ask a question with EMIFA address mode for DM6437.

 

In SPRS345D TMS320DM6437 Digital Media Processor, table 2-10 to 2-10 of terminal functions for different EMIFA pinout mode. There are the following modes:

 

AEM[2:0]

EMIFA Pinout Mode

 

001

1

8-Bit ASYNC/NOR

001

1

8-Bit NAND

011

3

8-Bit ASYNC/NOR with Reduced Address Reach

011

3

8-Bit NAND

100

4

8-Bit NAND

101

5

8-Bit NAND

 

 

Question 1:

What is “8-Bit ASYNC/NOR with Reduced Address Reach”? I searched E2E but could not find any post containing it.

Question 2:

Why there is no pinout mode 2 between mode 1 and 3?

 

 

 

Zheng