Preface
MPC5565 Microcontroller Reference Manual, Rev. 1.0
Freescale Semiconductor
21-23
21.3.3.11 Interrupt Flags Low Register (CAN
x
_IFRL)
CAN
x
_IFRL defines the flags for 32 message buffer interrupts. It contains one interrupt flag bit per buffer.
Each successful transmission or reception sets the corresponding IFRL bit. If the corresponding IMRL bit
is set, an interrupt will be generated. The interrupt flag may be cleared by writing it to 1. Writing 0 has no
effect.
Address: Base + 0x002C
Access: User R/W
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R BUF
63I
BUF
62I
BUF
61I
BUF
60I
BUF
59I
BUF
58I
BUF
57I
BUF
56I
BUF
55I
BUF
54I
BUF
53I
BUF
52I
BUF
51I
BUF
50I
BUF
49I
BUF
48I
W
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
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 BUF
47I
BUF
46I
BUF
45I
BUF
44I
BUF
43I
BUF
42I
BUF
41I
BUF
40I
BUF
39I
BUF
38I
BUF
37I
BUF
36I
BUF
35I
BUF
34I
BUF
33I
BUF
32I
W
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 21-12. Interrupt Flags High Register (CAN
x
_IFRH)
Table 21-15. CAN
x
_IFRH Field Descriptions
Field
Description
0–31
BUF
n
I
Message buffer
n
interrupt. Each bit represents the respective FlexCAN2 message buffer (MB63–MB32)
interrupt. Write 1 to clear.
0 No such occurrence
1 The corresponding buffer has successfully completed transmission or reception.
Address: Base + 0x0030
Access: User R/W
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R BUF
31I
BUF
30I
BUF
29I
BUF
28I
BUF
27I
BUF
26I
BUF
25
BUF
24I
BUF
23I
BUF
22I
BUF
21I
BUF
20I
BUF
19I
BUF
18I
BUF
17I
BUF
16I
W
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
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 BUF
15I
BUF
14I
BUF
13I
BUF
12I
BUF
11I
BUF
10I
BUF
09I
BUF
08I
BUF
07I
BUF
06I
BUF
05I
BUF
04I
BUF
03I
BUF
02I
BUF
01I
BUF
00I
W
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
w1c
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 21-13. Interrupt Flags Low Register (CAN
x
_IFRL)
Summary of Contents for MPC5565
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Page 1153: ...Calibration MPC5565 Microcontroller Reference Manual Rev 1 0 B 8 Freescale Semiconductor...