TC1796
System Units (Vol. 1 of 2)
Data Memory Unit
User’s Manual 8-9 V2.0, 2007-07
DMU, V2.0
subsequent fast accesses for data with high locality, and un-cached faster accesses for
data with low locality.
Write Transactions
When a write transaction hits into the read buffer, the buffer content is invalidated. This
feature also can be used to flush the buffer contents.
Read-Modify-Write Transactions
Read-modify-write transaction always will be forwarded to the PLMB. They will not effect
the buffer content at all (no caching, no invalidation). This implies that read-modify-write
operations should be done to non-cached areas only.
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