Datasheet

Section 15 Controller Area Network for Tiny (TinyCAN)
Rev. 4.00 Mar. 15, 2006 Page 309 of 556
REJ09B0026-0400
Bit Bit Name
Initial
Value R/W Description
0 — 0 — Reserved
This bit is always read as 0. This bit is relevant to the
receive-only Mailbox, and its value cannot be changed.
Note: * Only 1 can be written to clear the flag.
15.3.10 Abort Acknowledge Register (ABACK)
ABACK is a status flag that indicates successful cancellation of Mailbox transmit messages. If the
transmit request cancellation is completed, the bit in ABACK corresponding to the transmit
message is set to 1.
Bit Bit Name
Initial
Value R/W Description
7 to 4 — All 0 — Reserved
These bits are always read as 0.
3
2
1
MB3
MB2
MB1
0
0
0
R/(W)*
R/(W)*
R/(W)*
[Setting condition]
When cancellation of the transmit message in the
corresponding Mailbox has completed
[Clearing condition]
When 1 is written to these bits
0 — 0 — Reserved
This bit is always read as 0. This bit is relevant to the
receive-only Mailbox, and its value cannot be changed.
Note: * Only 1 can be written to clear the flag.