Memory Map
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor A-41
00x040 SEMA4_CP0INE—Semaphores CP0 IRQ notification enable R/W 0x0000 15.3.2.2/15-5
0x0042–0x0047 Reserved
0x0048 SEMA4_CP1INE—Semaphores CP1 IRQ notification enable R/W 0x0000 15.3.2.2/15-5
0x004A–0x07F Reserved
0x0080 SEMA4_CP0NTF—Semaphores CP0 IRQ notification R 0x0000 15.3.2.3/15-6
0x008 2–00x087 Reserved
0x0088 SEMA4_CP1NTF—Semaphores CP1 IRQ notification R 0x0000 15.3.2.2/15-5
0x008A–0x00FF Reserved
0x0100 SEMA4_RSTGT—Semaphores reset gate R/W 0x0000 15.3.2.4/15-6
0x0102 Reserved
0x0104 SEMA4_RSTNTF—Semaphores reset IRQ notification R/W 0x00000 15.3.2.5/15-8
0x0106–0x3FFF Reserved
0xFFF1_4000
MPU
Chapter 18, Memory Protection Unit (MPU)
0x0000 MPU_CESR—MPU control/error status register R/W 0x0080_3200 18.3.2.1/18-5
0x0004–0x000F Reserved
0x0010 MPU_EAR0—MPU error address register, MPU port 0 R —
3
18.3.2.2/18-6
0x0014 MPU_EDR0—MPU error detail register, MPU port 0 R —
3
18.3.2.3/18-7
0x0018 MPU_EAR1—MPU error address register, MPU port 1 R —
3
18.3.2.2/18-6
0x001C MPU_EDR1—MPU error detail register, MPU port 1 R —
3
18.3.2.3/18-7
0x0020 MPU_EAR2—MPU error address register, MPU port 2 R —
3
18.3.2.2/18-6
0x0024 MPU_EDR2—MPU error detail register, MPU port 2 R —
3
18.3.2.3/18-7
0x0028 MPU_EAR3— MPU error address register, MPU port 3 R —
3
18.3.2.3/18-7
0x002C MPU_EDR3—MPU error detail register, MPU port 3 R —
3
18.3.2.3/18-7
0x0030–0x03FF Reserved
0x0400 MPU_RGD0—MPU region descriptor 0 R/W —
3
18.3.2.4/18-8
0x0410 MPU_RGD1—MPU region descriptor 1 R/W —
3
18.3.2.4/18-8
0x0420 MPU_RGD2—MPU region descriptor 2 R/W —
3
18.3.2.4/18-8
0x0430 MPU_RGD3—MPU region descriptor 3 R/W —
3
18.3.2.4/18-8
0x0440 MPU_RGD4—MPU region descriptor 4 R/W —
3
18.3.2.4/18-8
0x0450 MPU_RGD5—MPU region descriptor 5 R/W —
3
18.3.2.4/18-8
0x0460 MPU_RGD6—MPU region descriptor 6 R/W —
3
18.3.2.4/18-8
Table A-4. PXN20 Detailed Register Map (continued)
Address Offset
from Module Base
Register
Access
1
Reset Value
2
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