Datasheet
Section 14 Timer RB
REJ09B0465-0300 Rev. 3.00 Page 433 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
TOSSTF
in TRBOCR
TRGB pin
TRBIF in TRBIOC
Count source
Timer RB prescaler
underflow signal
Timer RB counter
TRBO pin
TOPL in TRBIOC
Write 1 to TOSST in
TRBOCR.
Conditions for the above operation:
TSTART
in TRBCR
"1"
"0"
"1"
"0"
"1"
"0"
"1"
"0"
H'00 H'00
Change to 0 at the
end of counting.
TRBPRE = H'01, TRBPR=H'01
TOPL = 0 and TOCNT = 0 in TRBIOC
INOSTG = 1 (TRGB pin one-shot trigger function is enabled)
INOSEG = 1 (Rising edge trigger)
H'01 H'01H'01
Start of counting
Timer RB primary
reload
Start of counting
Timer RB primary
reload
Set to 0 by a program.
End of waveform output
Set to 1 by a program.
Change to 1 by the
TRGB pin input trigger.
Set to 0 by a program.
Start of waveform output Start of waveform output End of waveform output
Figure 14.3 Operation in Programmable One-Shot Generation Mode