MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 438
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MPC8544COMEDEV
Manufacturer Part Number
MPC8544COMEDEV
Description
KIT DEV EXPRESS MPC8544COM
Manufacturer
Freescale Semiconductor
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544COMEDEV
Contents
Board
For Use With/related Products
MPC8544
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Programmable Interrupt Controller
10.3.7.2
The external interrupt destination registers (EIDRs), shown in
external interrupts caused by the assertion of any of IRQ[0:11]. All external interrupts are directed to the
processor 0 interrupt, int, by default. External interrupts can be selectively directed to IRQ_OUT or to the
processor 0 critical interrupt signal, cint, instead of int by writing to the appropriate EIDRn fields.
Table 10-41
the P0 bit is permanently set. As shown in
not sent to the processor’s interrupt input.
The EP or CI fields must be set only for level-sensitive interrupts. Setting these fields for edge-sensitive
interrupts does not provide reliable interrupt response.
10-40
10–11
12–15 PRIORITY Priority. Specifies the interrupt priority. The lowest priority is 0 and the highest priority is 15. A priority level
16–31 VECTOR Vector. Contains the value returned when the interrupt acknowledge (IACK) register is read and this interrupt
Offset EIDR0 0x5_0010, EIDR1 0x5_0030, EIDR2 0x5_0050, EIDR3 0x5_0070, EIDR4 0x5_0090, EIDR5
Reset 0
Bits Name
Bits
0
1
W
R
0x5_00B0, EIDR6 0x5_00D0, EIDR7 0x5_00F0, EIDR8 0x5_0110, EIDR9 0x5_0130, EIDR10 0x5_0150,
EIDR11 0x5_0170
EP CI
EP
0
CI
Name
—
0
1
External pin. Allows external interrupt to be serviced externally.
0 External interrupt is serviced internally with int signal to the processor core.
1 External interrupt is directed to IRQ_OUT for external service.
Critical interrupt.
0 External interrupt is serviced internally with int signal to the processor core.
1 External interrupt is directed to processor 0 as a critical interrupt with the cint signal.
describes the EIDR fields. Because external interrupts can be channeled only to processor 0,
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
External Interrupt Destination Registers (EIDR0–EIDR11)
The behavior of the PIC unit is not defined if both the EP and CI bits of the
same interrupt destination register are set.
0
2
Reserved.
of 0 disables interrupts from this source.
resides in the interrupt request register (IRR) shown in
0
Figure 10-37. External Interrupt Destination Registers (EIDRs)
0 0
Table 10-40. EIVPR n Field Descriptions (continued)
0
0 0
Table 10-41. EIDR n Field Descriptions
0
0 0
Figure
0
NOTE
0 0
10-48, if either the CI or EP bits are set, the interrupt is
Description
Description
0
—
0 0
Figure
Figure
0
0 0
10-48.
10-37, control the destination of
0
0 0
0
Freescale Semiconductor
0
0 0
0 0 0
Access:
30 31
Mixed
P0
1
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