PXN20RM Datasheet, PDF (142/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Clocks, Reset, and Power (CRP)
Offset: CRP_BASE + 0x0040
R
W
Reset
0
1
PWK31
0
0
2
3
PWK30
0
0
4
5
PWK29
0
0
6
7
PWK28
0
0
8
9
PWK27
0
0
10
11
PWK26
0
0
Access: User read/write
12
13
14
15
PWK25
PWK24
0
0
0
0
R
W
Reset
16
17
PWK23
0
0
18
19
PWK22
20
21
PWK21
22
23
PWK20
24
25
PWK19
26
27
PWK18
28
29
PWK17
0
0
0
0
0
0
0
0
0
0
0
0
Figure 6-6. Pin Wakeup Enable High Register (CRP_PWKENH)
30
31
PWK16
0
0
Offset: CRP_BASE + 0x0044
R
W
Reset
0
1
PWK15
0
0
2
3
PWK14
0
0
4
5
PWK13
0
0
6
7
PWK12
0
0
8
9
PWK11
0
0
10
11
PWK10
0
0
Access: User read/write
12
13
14
15
PWK9
PWK8
0
0
0
0
R
W
Reset
16
17
PWK7
0
0
18
19
PWK6
20
21
PWK5
22
23
PWK4
24
25
PWK3
26
27
PWK2
28
29
PWK1
0
0
0
0
0
0
0
0
0
0
0
0
Figure 6-7. Pin Wakeup Enable Low Register (CRP_PWKENL)
30
31
PWK0
0
0
Field
PWKn
Table 6-6. CRP_PWKENH/L Field Descriptions
Description
Pin Wakeup Enable and Select. The PWKn bits enable the external pin wakeup sources and define which edge
transition is used for the wakeup.
00 External pin wakeup source disabled.
01 Positive edge of selected external pin triggers the wakeup request.
10 Negative edge of selected external pin triggers the wakeup request.
11 Positive or negative edge of selected external pin triggers the wakeup request.
PWKn
0
1
2
3
4
Table 6-7. Wakeup Source Number vs. Pin
CRP_PWKENL
CRP_PWKENH
Pin PWKn Pin PWKn Pin PWKn
PB4
8
PD9
16
PE9
24
PB5
9
PD11
17
PE11
25
PB6
10
PD13
18
PE13
26
PB7
11
PD15
19
PF3
27
PD1
12
PE1
20
PF7
28
Pin
PJ9
PJ10
PJ11
PJ12
PJ13
6-10
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor