Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK データシート

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AT91SAM9N12-EK
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CP15 Test and Debug Registers 
B-16
Copyright © 2001-2003 ARM Limited. All rights reserved.
ARM DDI0198D
Table B-12 describes the bit fields of the Memory Region Remap Register.
Table B-13 shows the encoding of each of the remap fields.
Table B-12 Encoding of the Memory Region Remap Register
Bit
Name
Definition
Reset state
[31:16]
-
Should Be Zero
0x0000
[15:14]
IWB
Remap select bits for instruction-side write-back region
b11
[13:12]
IWT
Remap select bits for instruction-side write-through region
b10
[11:10]
INCB
Remap select bits for instruction-side noncachable bufferable region
b01
[9:8]
INCNB
Remap select bits for instruction-side noncachable nonbufferable region
b00
[7:6]
DWB
Remap select bits for data-side write-back region
b11
[5:4]
DWT
Remap select bits for data-side write-through region
b10
[3:2]
DNCB
Remap select bits for data-side noncachable bufferable region
b01
[1:0]
DNCNB
Remap select bits for data-side noncachable nonbufferable region
b00
Table B-13 Encoding of the remap fields
Remap field
b00 = noncachable nonbufferable
b01 = noncachable bufferable
b10 = write-through
b11 = write-back