h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1256

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Register
Rev. 6.00 Feb 22, 2005 page 1196 of 1484
REJ09B0103-0600
Bit
Initial value
Read/Write
Bus Operation Interrupt Flag
0
1
CAN bus idle state
[Clearing condition]
• Writing 1
CAN bus operation in HCAN sleep mode
[Setting condition]
• Bus operation (dominant bit detection) in HCAN sleep mode
Unread Interrupt Flag


0
1
7
0
[Clearing condition]
• Clearing of all bits in UMSR (unread message status register)
Unread message overwrite
[Setting condition]
• When UMSR (unread message status register) is set
Mailbox Empty Interrupt Flag
0 [Clearing condition]
1
• Writing 1
Transmit message has been transmitted or aborted, and new message
can be stored
[Setting condition]
• When TXPR (transmit wait register) is cleared by completion of
transmission or completion of transmission abort


6
0


5
0
IRR12
R/W
4
0


3
0


2
0
IRR9
R
1
0
IRR8
R/W
0
0