Forum Post: C6748 L3 on-chip RAM vs external DDR

Good day experts,

We are using the C6748 DSP and I noticed that the access times for the external DDR memory (clocked at 150MHz) is actually faster than the on-chip L3 RAM of the C6748.

Is this to be expected, or am I doing something wrong? I can't seem to find any specific information on the details of the L3 RAM, can someone please point me to the correct documentation?

Thanks in advance!