SH7055S Datasheet, PDF (577/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

• Bit 15—Overload Frame Interrupt Flag (IRR7): Status flag indicating that the HCAN has
transmitted an overload frame.
Bit 15: IRR7
0
1
Description
[Clearing condition]
Writing 1
Overload frame transmission
[Setting conditions]
Error active/error passive state
• When overload frame is transmitted
(Initial value)
• Bit 14—Bus Off Interrupt Flag (IRR6): Status flag indicating the bus off state caused by the
transmit error counter.
Bit 14: IRR6
0
1
Description
[Clearing condition]
Writing 1
Bus off state caused by transmit error
[Setting condition]
When TEC ≥ 256
(Initial value)
• Bit 13—Error Passive Interrupt Flag (IRR5): Status flag indicating the error passive state
caused by the transmit/receive error counter.
Bit 13: IRR5
0
1
Description
[Clearing condition]
Writing 1
Error passive state caused by transmit/receive error
[Setting condition]
When TEC ≥ 128 or REC ≥ 128
(Initial value)
• Bit 12—Receive Overload Warning Interrupt Flag (IRR4): Status flag indicating the error
warning state caused by the receive error counter.
Bit 12: IRR4
0
1
Description
[Clearing condition]
Writing 1
Error warning state caused by receive error
[Setting condition]
When REC ≥ 96
(Initial value)
Rev.2.0, 07/03, page 539 of 960