R8C35A Datasheet, PDF (279/766 Pages) Renesas Technology Corp – MCU M16C FAMILY / R8C/Tiny SERIES

Under development ^{Preliminary specification}
Specifications in this manual are tentative and subject to change
R8C/35A Group
18.6.2 Operating Example
18. Timer RB
TSTART bit in TRBCR ¹
register ₀
TOSSTF bit in TRBOCR ¹
register ₀
INT0 pin input
Set to 1 by program
Set to 1 by setting 1 to TOSST bit in TRBOCR
register, or INT0 pin input trigger.
Set to 0 when
counting ends
Count source
Timer RB prescaler
underflow signal
Counter of timer RB
Count starts
Timer RB secondary reloads
Timer RB primary reloads
01h
00h
04h
03h
02h
01h
00h
01h
IR bit in TRBIC ¹
register ₀
TOPL bit in ¹
TRBIOC register ₀
1
TRBIO pin output
0
Set to 0 by program
Set to 0 when interrupt request is
acknowledged, or set by program.
Wait starts
Waveform output starts
Waveform output ends
Wait
(primary period)
One-shot pulse
(secondary period)
The above applies under the following conditions.
TRBPRE = 01h, TRBPR = 01h, TRBSC = 04h
INOSTG = 1 (INT0 one-shot trigger enabled)
INOSEG = 1 (edge trigger at rising edge)
Figure 18.5 Operating Example of Programmable Wait One-Shot Generation Mode
REJ09B0407-0010 Rev.0.10 Jan 16, 2008
Page 248 of 728