HD6417750RF240V Datasheet, PDF (434/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 15 Controller Area Network (HCAN)
15.3.11 Interrupt Register (IRR)
The interrupt register (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
14 IRR6
0
[Clearing condition]
• Writing 1
R/(W)^* Bus Off Interrupt Flag
Status flag indicating the bus off state caused by the
transmit error counter.
[Setting condition]
• When TEC ≥ 256
13 IRR5
0
[Clearing condition]
• Writing 1
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
Rev. 7.00 Sep. 11, 2009 Page 398 of 566
REJ09B0211-0700