HD64F3028F25 Datasheet, PDF (560/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

For details, see Interrupt Operations and Data Transfer by DMAC in this section.
Serial data
Ds
(1) GM = 0
TEND
12.5 etu
Dp DE
Guard time
(2) GM = 1
TEND
11.0 etu
Note: etu (Elementary time unit: the time for transfer of one bit)
Figure 14.4 Timing of TEND Flag Setting
Rev. 2.00, 09/03, page 528 of 890