TC1796
System Units (Vol. 1 of 2)
Data Memory Unit
User’s Manual 8-16 V2.0, 2007-07
DMU, V2.0
The Overlay Mask Register x determines the size of the overlay memory block x. It also
determines which address bits will participate in the address compare for a block base
address and which bits are used from the original target address and which bits are taken
from RABRx.OBASE.
OMASKx (x = 0-15)
Overlay Mask Register x (20
H
+x*C
H
+8
H
) Reset Value: 0FFF FE00
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
01
rr
1514131211109876543210
1OMASK0
rrwr
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