System Configuration and Protection
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
6-9
Figure 6-3. MPC561/MPC563 Interrupt Structure
If programmed to generate an interrupt, the SWT and external pin IRQ0 always generate an NMI,
non-maskable interrupt to the RCPU.
NOTE
The RCPU takes the system reset exception when an NMI is asserted, the
external interrupt exception for any other asserted interrupt request, and the
decrementer exception when the decrementer MSB changes from 0 to 1.
Level 2
Level 7
Level 6
Level5
Level 4
Level 3
Level 1
Level 0
IRQ[0:7]
IREQ to RCPU
NMI
GEN
USIU
SWT
I0
R
e
g
u
la
r
In
te
rru
p
t
C
o
n
tro
lle
r
Se
le
ct
o
r
EDGE
DET
I7
I6
I5
I4
I3
I2
I1
I0
8
Timers,
Change
of Lock
En
h
a
n
ce
d
I
n
te
rru
p
t
C
o
n
tro
lle
r
U-bus INT Levels [0:7]
IMB3
ilbs[0:1]
IMBIRQ
Sequencer
Offset in
branch table
6
48
16
MUX
SI
VEC
NMI to RCPU
Wake up from
low-power mode
SIUMCR
EICEN
IRQOUT
[EICEN, LPMASKEN]
DEC
DEC_IRQ to RCPU
LPMASKEN
BBC/IMPU
L
e
ve
l[
0
:6
]
L
e
ve
l7
UIMB
imb
_
irq
[
0
:6
]
imb
_
irq
[
0
:6
]
Levels[0:7]
Internal
Bus
Summary of Contents for MPC561
Page 84: ...MPC561 MPC563 Reference Manual Rev 1 2 lxxxiv Freescale Semiconductor...
Page 144: ...Signal Descriptions MPC561 MPC563 Reference Manual Rev 1 2 2 46 Freescale Semiconductor...
Page 206: ...Central Processing Unit MPC561 MPC563 Reference Manual Rev 1 2 3 62 Freescale Semiconductor...
Page 302: ...Reset MPC561 MPC563 Reference Manual Rev 1 2 7 14 Freescale Semiconductor...
Page 854: ...Time Processor Unit 3 MPC561 MPC563 Reference Manual Rev 1 2 19 24 Freescale Semiconductor...
Page 968: ...Development Support MPC561 MPC563 Reference Manual Rev 1 2 23 54 Freescale Semiconductor...
Page 1144: ...Internal Memory Map MPC561 MPC563 Reference Manual Rev 1 2 B 34 Freescale Semiconductor...
Page 1212: ...TPU3 ROM Functions MPC561 MPC563 Reference Manual Rev 1 2 D 60 Freescale Semiconductor...
Page 1216: ...Memory Access Timing MPC561 MPC563 Reference Manual Rev 1 2 E 4 Freescale Semiconductor...