SH7263 Datasheet, PDF (1026/1862 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 19 Controller Area Network (RCAN-TL1)
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
TTT25
CCR = 0
Mailbox-24 (Tx)
TTT24 and TTT25
Mailbox-24 (Tx)
CCR = 1
Mailbox-25 (Tx)
Mailbox-25 (Tx)
CCR = 2
Mailbox-24 (Tx)
Mailbox-24 (Tx)
CCR = 3
Mailbox-25 (Tx)
Mailbox-25 (Tx)
supported by RCAN-TL1
NOT supported by RCAN-TL1
Figure 19.18 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.
Figure 19.19 and Figure 19.20 show examples of configurations for (Potential) Time Master and
Time Slave. “L” in diagrams shows the length in time of the time reference messages.
Rev. 2.00 Mar. 14, 2008 Page 992 of 1824
REJ09B0290-0200