h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 475

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

14.3.11 Interrupt Register (IRR)
IRR is a 16-bit interrupt status flag register.
Bit
15
14
13
12
Bit Name
IRR7
IRR6
IRR5
IRR4
Initial
Value
0
0
0
0
R/W
R/(W)* Overload Frame
R/(W)* Bus Off Interrupt Flag
R/(W)* Error Passive Interrupt Flag
R/(W)* Receive Overload Warning Interrupt Flag
Description
[Setting condition]
•
[Clearing condition]
•
Status flag indicating the bus off state caused by the
transmit error counter.
[Setting condition]
•
[Clearing condition]
•
Status flag indicating the error passive state caused by
the transmit/receive error counter.
[Setting condition]
When TEC ≥ 128 or REC ≥ 128
[Clearing condition]
•
Status flag indicating the error warning state caused by
the receive error counter.
[Setting condition]
When REC ≥ 96
[Clearing condition]
•
When an overload frame is transmitted in error
active/passive state
Writing 1
When TEC ≥ 256
Writing 1
Writing 1
Writing 1
Section 14 Controller Area Network (HCAN)
Rev. 2.00 Dec. 05, 2005 Page 437 of 724
REJ09B0200-0200