Clock, Reset, and Power Control (CRP)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
Freescale Semiconductor
5-9
Preliminary
NOTE
Program any pins that are to be used as wakeup sources as inputs in the
associated SIU_PCR
x
register prior to entering a low-power mode.
5.2.2.5
Wakeup Source Enable Register (CRP_WKSE)
The CRP_WKSE register contains:
•
Wakeup source enables
•
Wakeup clock select
Table 5-5. CRP_WKPINSEL Field Descriptions
Field
Description
bits 0, 4, 8, 12,
16, 20, 24, 28
Reserved.
WKPSELn[0:2] Wakeup Pin Source Select. The WKPSELn[0:2] bits select the external pin to be used as one of the eight
external pin wakeup sources (see
).
Table 5-6. Wakeup Source Selects
111
110
101
100
011
010
001
000
WKPSEL0
PG11
PD15
PD10
PD0
PC2
PB13
PA4
PA0
WKPSEL1
PJ12
PG15
PD14
PD13
PC4
PB15
PA5
PA1
WKPSEL2
PF10
PD6
PD1
PC0
PB8
PB5
PA6
PA2
WKPSEL3
PG6
PD8
PD7
PC5
PC1
PB14
PB10
PA3
WKPSEL4
PH5
PH4
PG12
PG5
PD12
PD5
PB9
PB6
WKPSEL5
PH8
PH7
PG10
PF12
PE2
PD2
PB7
PA7
WKPSEL6
PH9
PG13
PG7
PF14
PF13
PD9
PD3
PC6
WKPSEL7
PH6
PG14
PG9
PF15
PF11
PD11
PD4
PB12
Offset:
CR 0x0044
Access: User read/write
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
WKPDET7 WKPDET6
WKPDET5
WKPDET4
WKPDET3 WKPDET2 WKPDET1
WKPDET0
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
0
0
0
0
0
RTCOVR
EN
RTCWK
EN
APIWK
EN
0
0
0
0
0
0
0
WKCLK
SEL
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 5-6. Wakeup Source Enable Register (CRP_WKSE)