ARM Cortex-M3 Guide de l'utilisateur Page 61

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Memory Protection Unit
ARM DDI 0337I Copyright © 2005-2008, 2010 ARM Limited. All rights reserved. 5-4
ID072410 Non-Confidential
5.3 MPU programmers model
Table 5-5 shows the MPU registers. These registers are described in the ARMv7-M Architecture
Reference Manual.
Table 5-1 MPU registers
Address Name Type Reset Description
0xE000ED90
MPU_TYPE RO
0x00000800
a
a. If the MPU is not present in the implementation, then this register reads as zero.
MPU Type Register
0xE000ED94
MPU_CTRL RW
0x00000000
MPU Control Register
0xE000ED98
MPU_RNR RW
0x00000000
MPU Region Number Register
0xE000ED9C
MPU_RBAR RW
0x00000000
MPU Region Base Address Register
0xE000EDA0
MPU_RASR RW
0x00000000
MPU Region Attribute and Size Register
0xE000EDA4
MPU_RBAR_A1
0x00000000
MPU alias registers
0xE000EDA8
MPU_RASR_A1
0x00000000
0xE000EDAC
MPU_RBAR_A2
0x00000000
0xE000EDB0
MPU_RASR_A2
0x00000000
0xE000EDB4
MPU_RBAR_A3
0x00000000
0xE000EDB8
MPU_RASR_A3
0x00000000
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