Rev. 1.0, 09/02, page 370 of 568
15.3.11
Interrupt Register (IRR)
IRR is a 16-bit interrupt status flag register.
Bit
Bit Name
Initial Value
R/W
Description
15 IRR7
0
R/(W)
*
Overload
Frame
[Setting condition]
•
When an overload frame is transmitted in error
active/passive state
[Clearing condition]
•
Writing
1
14 IRR6
0
R/(W)
*
Bus Off Interrupt Flag
Status flag indicating the bus off state caused by
the transmit error counter.
[Setting condition]
•
When
TEC
≥
256
[Clearing condition]
•
Writing
1
13 IRR5
0
R/(W)
*
Error Passive Interrupt Flag
Status flag indicating the error passive state
caused by the transmit/receive error counter.
[Setting condition]
When TEC
≥
128 or REC
≥
128
[Clearing condition]
•
Writing
1
Содержание H8S/2627
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