NXP Semiconductors MPC5644A, Reference Manual, Page: 526 / 1735

System Integration Unit (SIU)
MPC5644A Microcontroller Reference Manual, Rev. 6
526 Freescale Semiconductor
16.6.19 External IRQ Input Select Register (SIU_EIISR
1
)
The EIISR selects the source for the external interrupt/DMA inputs.
Figure 16-204. External IRQ Input Select Register (SIU_EIISR)
1.The EIISR is sometimes referred to as ISEL1
S0x904
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
ESEL15 ESEL14 ESEL13 ESEL12 ESEL11 ESEL10 ESEL9 ESEL8
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R
ESEL7 ESEL6 ESEL5 ESEL4 ESEL3 ESEL2 ESEL1 ESEL0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
= Unimplemented or Reserved
Table 16-204. SIU_EIISR field description
Field Description
0:1
ESEL15
External IRQ Input Select 15. IRQ[15] input is specified by ESEL15 as follows:
00 IRQ[15] pin
01 DSPI_B[15] deserialized output
10 DSPI_C[0] deserialized output
11 DSPI_D[1] deserialized output
2:3
ESEL14
External IRQ Input Select 14. IRQ[14] input is specified by ESEL14 as follows:
00 IRQ[14] pin
01 DSPI_B[14] deserialized output
10 DSPI_C[15] deserialized output
11 DSPI_D[0] deserialized output
4:5
ESEL13
External IRQ Input Select 13. IRQ[13] input is specified by ESEL13 as follows:
00 IRQ[13] pin
01 DSPI_B[13] deserialized output
10 DSPI_C[14] deserialized output
11 DSPI_D[15] deserialized output
6:7
ESEL12
External IRQ Input Select 12. IRQ[12] input is specified by ESEL12 as follows:
00 IRQ[12] pin
01 DSPI_B[12] deserialized output
10 DSPI_C[13] deserialized output
11 DSPI_D[14] deserialized output
8:9
ESEL11
External IRQ Input Select 11. IRQ[11] input is specified by ESEL11 as follows:
00 IRQ[11] pin
01 DSPI_B[11] deserialized output
10 DSPI_C[12] deserialized output
11 DSPI_D[13] deserialized output