Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Hoja De Datos
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AT91SAM9N12-EK
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.
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.
0 = disabled
1 = enabled.
Table 2-24 TCM Size field encoding
Memory
size
size
Value
0KB/absent
b0000
Reserved
b0001, b0010
4KB
b0011
8KB
b0100
16KB
b0101
32KB
b0110