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PXD20RM Datasheet, PDF (1592/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller
Field
EIRE[x]
Table 49-6. IRER Field Descriptions
Description
External Interrupt Request Enable x.
1 A set EIF[x] bit causes an interrupt request
0 Interrupt requests from the corresponding EIF[x] bit are disabled
49.4.2.5 Wakeup Request Enable Register (WRER)
This register is used to enable the system wakeup messaging from the wakeup/interrupt pads to the mode
entry and power control modules.
NOTE
Not all bits are available in all packages.
Address: 0x001C
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
R0 0 0 0 0 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 49-7. Wakeup Request Enable Register (WRER)
Table 49-7. WRER Field Descriptions
Field
WRE[x]
Description
External Wakeup Request Enable x.
1 A set EIF[x] bit causes a system wakeup request
0 System wakeup requests from the corresponding EIF[x] bit are disabled
49.4.2.6 Wakeup/Interrupt Rising-Edge Event Enable Register (WIREER)
This register is used to enable rising-edge triggered events on the corresponding wakeup/interrupt pads.
NOTE
Not all bits are available in all packages.
The RTC_API can only be configured on the rising edge.
.
Address: 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
R0 0 0 0 0 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 49-8. Wakeup/Interrupt Rising-Edge Event Enable Register (WIREER)
49-8
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor