R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 500

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 13 Controller Area Network (HCAN)
13.3.8
ABACK indicates the normal cancellation of transmit messages in mailboxes.
Note:
Rev. 3.00 Mar. 14, 2006 Page 462 of 804
REJ09B0104-0300
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
Note: *
*
Abort Acknowledge Register (ABACK)
Bit Name
ABACK7
ABACK6
ABACK5
ABACK4
ABACK3
ABACK2
ABACK1

ABACK15
ABACK14
ABACK13
ABACK12
ABACK11
ABACK10
ABACK9
ABACK8
Only 1 can be written to clear the flag.
Only 1 can be written to these bits, to clear the flags.
ABACK15
ABACK7
R/(W)*
R/(W)*
15
0
7
0
ABACK14
Initial
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ABACK6
R/(W)*
R/(W)*
14
0
6
0
ABACK13
ABACK5
R/(W)*
R/(W)*
13
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)*
0
5
0
ABACK12
ABACK4
R/(W)*
R/(W)*
12
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]
Completion of transmit message cancellation for
corresponding mailbox
[Clearing condition]
Writing 1
Bit 8 is reserved. This is a read-only bit and
cannot be modified.
0
4
0
ABACK11
ABACK3
R/(W)*
R/(W)*
11
0
3
0
ABACK10
ABACK2
R/(W)*
R/(W)*
10
0
2
0
ABACK1
ABACK9
R/(W)*
R/(W)*
9
0
1
0
ABACK8
R/(W)*
—
R
8
0
0
0