Introduction
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor 2-3
0xC3FC_C000 0xC3FC_FFFF 16 Reserved
0xC3FD_0000 0xC3FD_3FFF 16 Reserved
0xC3FD_4000 0xC3FD_7FFF 16 Reserved
0xC3FD_8000 0xC3FD_BFFF 16 Reserved
0xC3FD_C000 0xC3FD_FFFF 16 FlexRay X
0xC3FE_0000 0xC3FE_3FFF 16 Reserved
0xC3FE_4000 0xC3FE_7FFF 16 Reserved
0xC3FE_8000 0xC3FF_3FFF 48 Reserved
0xC3FF_4000 0xC3FF_7FFF 16 Reserved
0xC3FF_8000 0xDFFF_FFFF 458,752 Reserved
Peripherals AIPS_B (AXBS Port S7)
0xE000_0000 0xFFEF_FFFF 523,264 Reserved
0xFFF0_0000 0xFFF0_3FFF 16 Reserved
0xFFF0_4000 0xFFF0_7FFF 16 AXBS
0xFFF0_8000 0xFFF0_FFFF 32 Reserved
0xFFF1_0000 0xFFF1_3FFF 16 Sema4
0xFFF1_4000 0xFFF1_7FFF 16 MPU X
0xFFF1_8000 0xFFF3_7FFF 128 Reserved
0xFFF3_8000 0xFFF3_BFFF 16 SWT
0xFFF3_C000 0xFFF3_FFFF 16 STM
0xFFF4_0000 0xFFF4_3FFF 16 ECSM
0xFFF4_4000 0xFFF4_7FFF 16 eDMA Channels
16–31
0xFFF4_8000 0xFFF4_BFFF 16 INTC
0xFFF4_C000 0xFFF4_FFFF 16 FEC X
0xFFF5_0000 0xFFF7_FFFF 192 Reserved
0xFFF8_0000 0xFFF8_3FFF 16 ADC_A
0xFFF8_4000 0xFFF8_7FFF 16 Reserved
0xFFF8_8000 0xFFF8_BFFF 16 I
2
C_A
0xFFF8_C000 0xFFF8_FFFF 16 I
2
C_B
0xFFF9_0000 0xFFF9_3FFF 16 DSPI_A
0xFFF9_4000 0xFFF9_7FFF 16 DSPI_B
Table 2-1. PXN20 System Memory Map (continued)
Address
Size
(KB)
Region Name Comments
Unimple-
mented on
PXS20
Unimple-
mented on
PXS21Start End