Memory Map
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor A-39
0x04F8
MBCCSR127–Message buffer configuration, control, status
register 127
R/W 0x0000 26.5.2.68/26-73
0x04FA
MBCCFR127–Message buffer cycle counter filter register 127
R/W —
3
26.5.2.69/26-75
0x04FC
MBFIDR127–Message buffer frame ID register 127
R/W 0x0UUU 26.5.2.70/26-76
0x04FE
MBIDXR127–Message buffer index register 127
R/W 0x00UU 26.5.2.71/26-76
0x0500–0x07FF Reserved
0x0800–0x3FFF FlexRay memory R/W —
3
0xC3FE_0000–
0xDFFF_FFFF
Reserved
Peripherals AIPS_B (AXBS Port S7)
0xFFF0_4000–0xFFFF_FFFF
0xE000_0000–
0xFFF0_3FFF
Reserved
0xFFF0_4000
.AXBS_BASE
Chapter 16, AMBA Crossbar Switch (AXBS)
0x0000 XBAR_MPR0—Master priority register, slave port 0 R/W 0x5400_3210 16.2.1.1/16-4
0x0004–0x000F Reserved
0x0010 XBAR_SGPCR0—General-purpose control register, slave
port 0
R/W 0x0000_0000 16.2.1.2/16-6
0x0004–0x000F Reserved
0x0100 XBAR_MPR1—Master priority register, slave port 1 R/W 0x5400_3210 16.2.1.1/16-4
0x0104–0x010F Reserved
0x0110 XBAR_SGPCR1—General-purpose control register, slave
port 1
R/W 0x0000_0000 16.2.1.2/16-6
0x0114– 0x01FF Reserved
0x0200 XBAR_MPR2—Master priority register, slave port 2 R/W 0x5400_3210 16.2.1.1/16-4
0x0204–0x020F Reserved
0x0210 XBAR_SGPCR2—General-purpose control register, slave
port 2
R/W 0x0000_0000 16.2.1.2/16-6
0x0214– 0x02FF Reserved
0x0300 XBAR_MPR3—Master priority register, slave port 3 R/W 0x5400_3210 16.2.1.1/16-4
0x0304–0x030F Reserved
0x0310 XBAR_SGPCR3—General-purpose control register, slave
port 3
R/W 0x0000_0000 16.2.1.2/16-6
0x0314–0x05FF Reserved
Table A-4. PXN20 Detailed Register Map (continued)
Address Offset
from Module Base
Register
Access
1
Reset Value
2
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