Table 2-23 Tcm Region Register C9; Table 2-24 Tcm Size Field Encoding; Figure 2-13 Tcm Region Register C9 Format - ARM ARM926EJ-S Technical Reference Manual

Programmer's Model
31
2-30
The TCM Region Register format is shown in Figure 2-13.
Base address (physical address)
Table 2-23 shows the bit assignments for the TCM Region Register.
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12 11 6 5
SBZ/UNP

Figure 2-13 TCM Region Register c9 format

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
0KB/absent
Reserved
4KB
8KB
16KB
32KB
2 1 0
Size 0
Enable
Value
b0000
b0001, b0010
b0011
b0100
b0101
b0110
ARM DDI0198D