SH7205 Datasheet, PDF (629/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 12 Multi-Function Timer Pulse Unit 2 (MTU2)
TCNT_3
TCNT_4
Period during which
changing skipping count
can be performed
Period during which
changing skipping count
can be performed
Period during which
changing skipping count
can be performed
Period during which
changing skipping count
can be performed
Figure 12.68 Periods during which Interrupt Skipping Count can be Changed
(b) Example of Interrupt Skipping Operation
Figure 12.69 shows an example of TGIA_3 interrupt skipping in which the interrupt skipping
count is set to three by the 3ACOR bit and the T3AEN bit is set to 1 in the timer interrupt skipping
set register (TITCR).
TGIA_3 interrupt
flag set signal
Interrupt skipping period
Skipping counter 00
01
02
03
Interrupt skipping period
00
01
02
03
TGFA_3 flag
Figure 12.69 Example of Interrupt Skipping Operation
Rev. 1.00 Mar. 25, 2008 Page 597 of 1868
REJ09B0372-0100