h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 472

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

Section 14 Controller Area Network (HCAN)
14.3.8
ABACK is a 16-bit register containing status flags that indicate the normal cancellation (aborting)
of mailbox (buffer) transmit messages.
Note:
Rev. 2.00 Dec. 05, 2005 Page 434 of 724
REJ09B0200-0200
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit Name
ABACK7
ABACK6
ABACK5
ABACK4
ABACK3
ABACK2
ABACK1

ABACK15
ABACK14
ABACK13
ABACK12
ABACK11
ABACK10
ABACK9
ABACK8
*
Abort Acknowledge Register (ABACK)
Only 1 can be written to clear the flag.
Initial
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
Description
These bits are status flags that indicate error-free
cancellation (abortion) of the transmit message in the
corresponding mailboxes 1 to 15. When the message in
mailbox n (n = 1 to 15) has been canceled error-free,
ABACKn is set to 1.
[Setting condition]
•
[Clearing condition]
•
Bit 8 is reserved. This bit is always read as 0. The write
value should always be 0.
Completion of transmit message cancellation for
corresponding mailbox
Writing 1