Programmer’s Model
2-30 Copyright © 2001-2003 ARM Limited. All rights reserved. ARM DDI0198D
The TCM Region Register format is shown in Figure 2-13.
Figure 2-13 TCM Region Register c9 format
Table 2-23 shows the bit assignments for the TCM Region Register.
Enable
Base address (physical address)
31 12 11 6 5 2 1 0
SBZ/UNP Size 0
Table 2-23 TCM Region Register c9
Bits Function
[31:12] Base address (physical address).
[11:6] SBZ/UNP.
[5:2] Size. The Size field reflects the value
of the IRSIZE/DRSIZE macrocell
inputs. The Size field encoding is
shown in Table 2-24.
[1] SBZ/UNP.
[0] Enable bit:
0 = disabled
1 = enabled.
Table 2-24 TCM Size field encoding
Memory
size
Value
0KB/absent b0000
Reserved b0001, b0010
4KB b0011
8KB b0100
16KB b0101
32KB b0110
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