Interrupt Controller (INTC)
MPC5565 Microcontroller Reference Manual, Rev. 1.0
Freescale Semiconductor
10-9
10.3.1
Register Descriptions
With the exception of the INTC_SSCI
n
and INTC_PSR
n
registers, all of the registers are 32-bits wide.
Any combination of accessing the 4-bytes of a register with a single access is supported, provided that the
access does not cross a register boundary. These supported accesses include types and sizes of 8 bits,
aligned 16 bits, and aligned 32 bits.
Although INTC_SSCI
n
and INTC_PSR
n
are 8 bits wide, they can be accessed with a single 16-bit or
32-bit access, provided that the access does not cross a 32-bit boundary.
In software vector mode, the side effects of a read of the INTC interrupt acknowledge register
(INTC_IACKR) are the same regardless of the size of the read. In either software or hardware vector
mode, the size of a write to the INTC end-of-interrupt register (INTC_EOIR) does not affect the operation
of the write.
10.3.1.1
INTC Module Configuration Register (INTC_MCR)
The INTC_MCR is used to configure options of the INTC.
Base + 0x0028–
Base + 0x003C
—
Reserved
—
Base + 0x0040–
Base + 0x01A7
INTC_PSR
n
INTC priority select register
2
0
–
231
8
1
When the HVEN bit in the INTC_MCR is asserted, a read of the INTC_IACKR has no side effects.
2
The PRI fields are “Reserved” for peripheral interrupt requests whose vectors are labeled as Reserved in
.
Address: Base + 0x0000 (INTC_MCR)
Access: R/W
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
R 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VTES
0
0
0
0
HVEN
W
Reset 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 10-7. INTC Module Configuration Register (INTC_MCR)
Table 10-3. INTC Memory Map (continued)
Address
Register Name
Register Description
Bits
Содержание MPC5565
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