Table 3-7 Summary Of Debug Port Registers; Table 3-8 Mpu Registers - ARM Cortex-M3 Technical Reference Manual

3.1.4 Debug interface port registers
Name
ABORT
IDCODE
CTRL/STAT
SELECT
RDBUFF
WCR
RESEND
3.1.5 Memory Protection Unit registers
ARM DDI 0337B
Table 3-7 gives a summary of the debug interface port registers. For a detailed
description of the debug interface port registers, see Chapter 12 Debug Port.
Description
DAP Abort Register
ID Code Register
DP Control/Status Register
Select Register
Read Buffer
Wire Control Register
Read Resend Register
Table 3-8 gives a summary of the Memory Protection Unit (MPU) registers. For a
detailed description of the MPU registers, see Chapter 9 Memory Protection Unit.
Name of register
MPU Type Register
MPU Control Register
MPU Region Number register
MPU Region Base Address register
MPU Region Attribute and Size registers
MPU Alias 1 Region Base Address register
MPU Alias 1 Region Attribute and Size register
MPU Alias 2 Region Base Address register
Copyright © 2005, 2006 ARM Limited. All rights reserved.

Table 3-7 Summary of Debug Port registers

JTAG-DP SW-DP
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
No Yes
No Yes
Type
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Alias of
D9C
Alias of
DA0
Alias of
D9C
System Control
For description see section
The Abort Register
The Identification Code Register
The Control/Status Register
The AP Select Register
The Read Buffer Register
The Wire Control Register
The Read Resend Register

Table 3-8 MPU registers

Address Reset value
0xE000ED90 0x00000800
0xE000ED94 0x00000000
0xE000ED98 -
-
0xE000ED9C
-
0xE000EDA0
0xE000EDA4
-
0xE000EDA8
-
0xE000EDAC
-
3-11