PXS20RM Datasheet, PDF (1323/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

System Integration Unit Lite (SIUL)
47.5.2.5 Interrupt Rising-Edge Event Enable Register (IREER)
This register enables rising-edge triggered events on the corresponding interrupt pads.
Address: Base + 0x0028
Access: User read/write
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
R
IREE[31:0]
W
Reset _{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 0 0 0 0}
Figure 47-7. Interrupt Rising-Edge Event Enable Register (IREER)
Table 47-7. IREER Field Descriptions
Field
IREE[x]
Description
Enable rising-edge events to cause the EIF[x] bit to be set.
1: Rising-edge event is enabled
0: Rising-edge event is disabled
47.5.2.6 Interrupt Falling-Edge Event Enable Register (IFEER)
This register enables falling-edge triggered events on the corresponding interrupt pads.
Address: Base + 0x002C
Access: User read/write
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
R
IFEE[31:0]
W
Reset _{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 0 0 0 0}
Figure 47-8. Interrupt Falling-Edge Event Enable Register (IFEER)
Table 47-8. IFEER Field Descriptions
Field
IFEE[x]
Description
Enable falling-edge events to cause the EIF[x] bit to be set.
1: Falling-edge event is enabled
0: Falling-edge event is disabled
NOTE
If both the IREE and IFEE bits are cleared for the same interrupt source, the
interrupt status flag for the corresponding external interrupt will never be
set.
Freescale Semiconductor
PXS20 Microcontroller Reference Manual, Rev. 1
47-9