PXR40RM Datasheet, PDF (259/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

System Integration Unit (SIU)
Example of Pin Multiplexing
eTPUB Select Register (for DSPI_A)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Chan# 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Enable 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
eTPUB
0
1
2
3
4
15
30
31
eMIOS Select Register (for DSPI_A)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Chan# 7 6 5 4 3 2 1 0 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7
Enable 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0
eMIOS
0
1
2
3
4
15
30
31
DSPIAH/L Select Register (for DSPI_A)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
00000000000000000000000000001000
SIU_DSPIAL[MASK17] ^Enable
SIU_DSPIAL[DATA17]
Serial
GPO A
DSPIA Output Register
Frame bit 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Function
&
Channel
Selection
Freescale Semiconductor
PXR40 Microcontroller Reference Manual, Rev. 1
7-77