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Interrupt Controller
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor
7-13
7.2.4.8
ICTL Main Interrupt Priority and INT/SMI Select 2 Register—MBAR + 0x051C
 
Table 7-11. ICTL Main Interrupt Priority and INT/SMI Select 2 Register
msb  0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
Main9_pri
Main10_pri
Main11_pri
Main12_pri
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 lsb
R
Main13_pri
Main14_pri
Main15_pri
Main16_pri
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bits
Name
Description
0:3
Main9_pri
Main interrupt source 9 (TMR0) priority encoding value.
All 4bits are used to set a priority value (higher value equals higher priority). The msb is also 
used as a bank bit to direct this interrupt source to SMI interrupt output (if bank = 1), or to 
normal INT interrupt output (if bank = 0).
For interrupt sources set at the same priority value, default priority is the lower numbered 
interrupt has higher priority. This means main source 9 has a higher default priority than main 
source 10.
Timer 0 is one of eight internal timer resources that can be configured as input capture, 
output compare, or PWM output. As such, there is an I/O pin associated with each timer. The 
timer can use this pin as GPIO, in which case the internal timer function becomes available. 
These eight timers complete the MPC5200B GPIO structure. All potential GPIO interrupt 
sources are represented by main sources 7, 8, and 9–16.
4:7
Main10_pri
Main interrupt source 10 (TMR1) priority encoding value.
8:11
Main11_pri
Main interrupt source 11 (TMR2) priority encoding value.
12:15
Main12_pri
Main interrupt source 12 (TMR3) priority encoding value.
16:19
Main13_pri
Main interrupt source 13 (TMR4) priority encoding value.
20:23
Main14_pri
Main interrupt source 14 (TMR5) priority encoding value.
24:27
Main15_pri
Main interrupt source 15 (TMR6) priority encoding value. See Note 
1
.
28:31
Main16_pri
Main interrupt source 16 (TMR7) priority encoding value. See Note 
1
.
Note:  
1.
This timer has WakeUp functionality and therefore can provide a WakeUp interrupt source.