h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 429

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Note:
Bit
1
0
Bit Name
IRR9
IRR8
*
Only 1 can be written to clear the flag.
Initial Value
0
0
R/W
R
R/(W) *
Description
Unread Interrupt Flag
Status flag indicating that a receive message has
been overwritten before being read.
[Setting condition]
[Clearing condition]
Mailbox Empty Interrupt Flag
Status flag indicating that the next transmit
message can be stored in the mailbox.
[Setting condition]
[Clearing condition]
When UMSR (unread message status
register) is set
Clearing of all bits in UMSR (unread message
status register)
When TXPR (transmit wait register) is cleared
by completion of transmission or completion of
transmission abort
Writing 1
Section 15 Controller Area Network (HCAN)
Rev. 3.00 Oct 04, 2005 page 389 of 598
REJ09B0155-0300