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ADSP-21369 Internal Memory Space

Question asked by Sinalux on May 15, 2012
Latest reply on May 16, 2012 by Sinalux



I'm testing the write and read operations on internal memory of ADSP-21369 and there's someting i don't understand.

The internal memory availble addresses are (page 6 from ADSP-21369 Datasheet):

Block 0: 0x0009 8000 - 0x0009  DFFF

Block 1: 0x000B 8000 - 0x000B DFFF

Block 2: 0x000C 0000 - 0x000C 1FFF

Block 3: 0x000E 0000 - 0x000E 1FFF


So if i write or read something from address 0x00AB 8000, for example, what is expected to happen? Supposedly it doesn't exist.

I had write a little program that writes to a memory position and reads the data from that exact position and it works for the address i exampled before. I tryed with the address 0x000B E000 (the one after the end of block 1) and the read returns something different from what a tried to write, i as expected.


Best Regards,