SH7205 Datasheet, PDF (982/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 20 Controller Area Network (RCAN-TL1)
CMAX, Repeat_Factor, and Offset are register values
System Matrix
CCR = 0
CCR = 1
CCR = 2
CCR = 3
CCR = 4
CCR = 5
CCR = 6
CCR = 7
offset = 1
rep_factor = 3'b010
(Repeat_Factor = 4)
CMAX = 3'b100
(Cycle_Count_Max = 15)
offset = 1
Repeat_Factor
CCR = 12
CCR = 13
CCR = 14
CCR = 15
offset = 1
Repeat_Factor
Figure 20.8 System Matrix
Tx-Trigger Times must be set in ascending order such that the difference between them satisfies
the following condition.
TTT(mailbox i) –1 TTT(mailbox i-1) > TEW + Maximum frame length + 9
Rev. 1.00 Mar. 25, 2008 Page 950 of 1868
REJ09B0372-0100