h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 477

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

Bit
8
7 to 5 
4
3, 2
Bit Name
IRR0
IRR12

Initial
Value
1
All 0
0
All 0
R/W
R/(W)* Reset Interrupt Flag

R/(W)* Bus Operation Interrupt Flag

Reserved
These bits are always read as 0. The write value should
always be 0.
Reserved
These bits are always read as 0. The write value should
always be 0.
Description
Status flag indicating that the HCAN module has been
reset. This bit cannot be masked by the interrupt mask
register (IMR). If this bit is not cleared to 0 after entering
power-on reset or returning from software standby
mode, interrupt processing will start immediately when
the interrupt controller enables interrupts.
[Setting condition]
•
[Clearing condition]
•
Status flag indicating detection of a dominant bit due to
bus operation when the HCAN module is in HCAN
sleep mode.
[Setting condition]
•
[Clearing condition]
•
When the reset operation has finished after entering
power-on reset or software standby mode
Writing 1
Bus operation (dominant bit) detection in HCAN
sleep mode
Writing 1
Section 14 Controller Area Network (HCAN)
Rev. 2.00 Dec. 05, 2005 Page 439 of 724
REJ09B0200-0200