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Section 20 Controller Area Network
Page 1032 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit 15 to 0 — Notifies that the requested transmission of the corresponding Mailbox has been
finished successfully. The bit 15 to 0 corresponds to Mailbox-31 to 16 respectively.
Bit[15:0]:TXACK1 Description
0 [Clearing Condition] Writing '1' (Initial value)
1 Corresponding Mailbox has successfully transmitted message (Data or
Remote Frame)
[Setting Condition]
Completion of message transmission for corresponding mailbox
TXACK0
1514131211109876543210
0000000000000000
R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W*
Bit:
Initial value:
R/W:
-
-
TXACK0[15:1]
Note: * Only when writing a '1' to clear.
Bit 15 to 1 — Notifies that the requested transmission of the corresponding Mailbox has been
finished successfully. The bit 15 to 1 corresponds to Mailbox-15 to 1 respectively.
Bit[15:1]:TXACK0 Description
0 [Clearing Condition] Writing '1' (Initial value)
1 Corresponding Mailbox has successfully transmitted message (Data or
Remote Frame)
[Setting Condition]
Completion of message transmission for corresponding mailbox
Bit 0 — This bit is always '0' as this is a receive-only mailbox. Writing a '1' to this bit position has
no effect and always read back as a '0'.