SH7729R Datasheet, PDF (494/855 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

TCNT value
TCOR
TCOR value set to
TCNT during underflow
H'00000000
TCLK
TCPR2
Set TCNT value
Time
ICPI
Figure 13.7 Operation Timing when Using Input Capture Function
(Using TCLK Rising Edge)
13.4 Interrupts
There are two sources of TMU interrupts: underflow interrupts (TUNI) and interrupts when using
the input capture function (TICPI2).
13.4.1 Status Flag Setting Timing
UNF is set to 1 when the TCNT underflows. Figure 13.8 shows the timing.
Pφ
TCNT
Underflow
signal
UNF
TUNI
H'00000000
TCOR value
Figure 13.8 UNF Setting Timing
Rev. 5.0, 09/03, page 448 of 806