NXP Semiconductors PXN2020 - Page 1314

Memory Map
PXN20 Microcontroller Reference Manual, Rev. 1
A-56 Freescale Semiconductor
0x0268 EXTDATAREG25 — Channel 89 data register R 0x0000_0000 34.3.2.37/34-40
0x026C EXTDATAREG26 — Channel 90 data register R 0x0000_0000 34.3.2.37/34-40
0x0270 EXTDATAREG27 — Channel 91 data register R 0x0000_0000 34.3.2.37/34-40
0x0274 EXTDATAREG28 — Channel 92 data register R 0x0000_0000 34.3.2.37/34-40
0x0278 EXTDATAREG29 — Channel 93 data register R 0x0000_0000 34.3.2.37/34-40
0x027C EXTDATAREG30 — Channel 94 data register R 0x0000_0000 34.3.2.37/34-40
0x0280 EXTDATAREG31 — Channel 95 data register R 0x0000_0000 34.3.2.37/34-40
0x0284– 0x3FFF Reserved
0xFFF8_4000 –
0xFFF8_7FFF
Reserved
0xFFF8_8000
I
2
C_A
Chapter 32, Inter-Integrated Circuit Bus Controller Module (I2C)
0x0000 IBAD—I
2
C bus address register R/W 0x00 32.3.2.1/32-5
0x0001 IBFD—I
2
C bus frequency divider register R/W 0x00 32.3.2.2/32-5
0x0002 IBCR—I
2
C bus control register R/W 0x80 32.3.2.3/32-8
0x0003 IBSR—I
2
C bus status register R/W 0x80 32.3.2.4/32-9
0x0004 IBDR—I
2
C bus data I/O register R/W 0x00 32.3.2.5/32-10
0x0005 IBIC—I
2
C bus interrupt configuration register R/W 0x00 32.3.2.6/32-11
0x0006–0x3FFF Reserved
0xFFF8_C000
I
2
C_B
Chapter 32, Inter-Integrated Circuit Bus Controller Module (I2C)
0x0000 IBAD—I
2
C bus address register R/W 0x00 32.3.2.1/32-5
0x0001 IBFD—I
2
C bus frequency divider register R/W 0x00 32.3.2.2/32-5
0x0002 IBCR—I
2
C bus control register R/W 0x80 32.3.2.3/32-8
0x0003 IBSR—I
2
C bus status register R/W 0x80 32.3.2.4/32-9
0x0004 IBDR—I
2
C bus data I/O register R/W 0x00 32.3.2.5/32-10
0x0005 IBIC—I
2
C bus interrupt configuration register R/W 0x00 32.3.2.6/32-11
0x0006–0x3FFF Reserved
0xFFF9_0000
DSPI_A
Chapter 30, Deserial – Serial Peripheral Interface (DSPI)
0x0000 DSPI_MCR—DSPI module configuration register R/W 0x0000_4001
30.3.2.1/30-7
0x0004 Reserved
0x0008 DSPI_TCR—DSPI transfer count register R/W 0x0000_0000 30.3.2.2/30-9
Table A-4. PXN20 Detailed Register Map (continued)
Address Offset
from Module Base
Register
Access
1
Reset Value
2
Section/Page