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Section 13 Controller Area Network (HCAN)
Rev. 3.00 Mar. 14, 2006 Page 465 of 804
REJ09B0104-0300
13.3.11 Interrupt Register (IRR)
IRR is an interrupt status flag register.
15
IRR7
0
R/(W)
*
14
IRR6
0
R/(W)
*
13
IRR5
0
R/(W)
*
12
IRR4
0
R/(W)
*
11
IRR3
0
R/(W)
*
8
IRR0
1
R/(W)
*
10
IRR2
0
R
9
IRR1
0
R
Bit
Bit Name
Initial Value
R/W
7
—
0
—
6
—
0
—
5
—
0
—
4
IRR12
0
R/(W)
*
3
—
0
—
0
IRR8
0
R/(W)
*
2
—
0
—
1
IRR9
0
R
Bit
Bit Name
Initial Value
R/W
Note:
*
Only 1 can be written to these bits, to clear the flags.
Bit Bit
Name
Initial
Value R/W
Description
15 IRR7 0
R/(W)
*
Overload Frame Interrupt Flag
Status flag indicating that the HCAN transmits the
overload frame.
[Setting condition]
When an overload frame is transmitted in error
active/passive state
[Clearing condition]
Writing 1
(When the CPU is used to clear this flag by
writing 1 while the corresponding interrupt is
enabled, be sure to read the flag after writing 1 to
it.)
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