Memory Map
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor A-21
0x00F0–0x00FF Reserved
0x0100
MBCCSR0–Message buffer configuration, control, status register 0
R/W 0x0000 26.5.2.68/26-73
0x0102
MBCCFR0–Message buffer cycle counter filter register 0
R/W —
3
26.5.2.69/26-75
0x0104
MBFIDR0–Message buffer frame ID register 0
R/W 0x0UUU 26.5.2.70/26-76
0x0106
MBIDXR0–Message buffer index register 0
R/W 0x00UU 26.5.2.71/26-76
0x0108
MBCCSR1–Message buffer configuration, control, status register 1
R/W 0x0000 26.5.2.68/26-73
0x010A
MBCCFR1–Message buffer cycle counter filter register 1
R/W —
3
26.5.2.69/26-75
0x010C
MBFIDR1–Message buffer frame ID register 1
R/W 0x0UUU 26.5.2.70/26-76
0x010E
MBIDXR1–Message buffer index register 1
R/W 0x00UU 26.5.2.71/26-76
0x0110
MBCCSR2–Message buffer configuration, control, status register 2
R/W 0x0000 26.5.2.68/26-73
0x0112
MBCCFR2–Message buffer cycle counter filter register 2
R/W —
3
26.5.2.69/26-75
0x0114
MBFIDR2–Message buffer frame ID register 2
R/W 0x0UUU 26.5.2.70/26-76
0x0116
MBIDXR2–Message buffer index register 2
R/W 0x00UU 26.5.2.71/26-76
0x0118
MBCCSR3–Message buffer configuration, control, status register 3
R/W 0x0000 26.5.2.68/26-73
0x011A
MBCCFR3–Message buffer cycle counter filter register 3
R/W —
3
26.5.2.69/26-75
0x011C
MBFIDR3–Message buffer frame ID register 3
R/W 0x0UUU 26.5.2.70/26-76
0x011E
MBIDXR3–Message buffer index register 3
R/W 0x00UU 26.5.2.71/26-76
0x0120
MBCCSR4–Message buffer configuration, control, status register 4
R/W 0x0000 26.5.2.68/26-73
0x0122
MBCCFR4–Message buffer cycle counter filter register 4
R/W —
3
26.5.2.69/26-75
0x0124
MBFIDR4–Message buffer frame ID register 4
R/W 0x0UUU 26.5.2.70/26-76
0x0126
MBIDXR4–Message buffer index register 4
R/W 0x00UU 26.5.2.71/26-76
0x0128
MBCCSR5–Message buffer configuration, control, status register 5
R/W 0x0000 26.5.2.68/26-73
0x012A
MBCCFR5–Message buffer cycle counter filter register 5
R/W —
3
26.5.2.69/26-75
0x012C
MBFIDR5–Message buffer frame ID register 5
R/W 0x0UUU 26.5.2.70/26-76
0x012E
MBIDXR5–Message buffer index register 5
R/W 0x00UU 26.5.2.71/26-76
0x0130
MBCCSR6–Message buffer configuration, control, status register 6
R/W 0x0000 26.5.2.68/26-73
0x0132
MBCCFR6–Message buffer cycle counter filter register 6
R/W —
3
26.5.2.69/26-75
0x0134
MBFIDR6–Message buffer frame ID register 6
R/W 0x0UUU 26.5.2.70/26-76
0x0136
MBIDXR6–Message buffer index register 6
R/W 0x00UU 26.5.2.71/26-76
0x0138
MBCCSR7–Message buffer configuration, control, status register 7
R/W 0x0000 26.5.2.68/26-73
0x013A
MBCCFR7–Message buffer cycle counter filter register 7
R/W —
3
26.5.2.69/26-75
0x013C
MBFIDR7–Message buffer frame ID register 7
R/W 0x0UUU 26.5.2.70/26-76
Table A-4. PXN20 Detailed Register Map (continued)
Address Offset
from Module Base
Register
Access
1
Reset Value
2
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