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Section 20 Controller Area Network
Page 1064 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
The above limitation is not applied to mailboxes which are not set as time-triggered transmission.
Important: Because of limitation on setting Tx-Trigger Time, only one Mailbox can be assigned
to one time window.
TTT24
supported by RCAN-TL1 NOT supported by RCAN-TL1
TTT24 and TTT25
CCR = 0 Mailbox-24 (Tx)
Mailbox-25 (Tx)
Mailbox-24 (Tx)
Mailbox-25 (Tx)
CCR = 1
CCR = 2
CCR = 3
TTT25
Mailbox-24 (Tx)
Mailbox-25 (Tx)
Mailbox-24 (Tx)
Mailbox-25 (Tx)
Figure 20.18 Limitation on Tx-Trigger Time
The value of TCMR2 as Watch_Trigger has to be larger than TTT(Mailbox-30), which shows the
length of a basic cycle.