Datasheet

Section 14 Timer RB
REJ09B0465-0300 Rev. 3.00 Page 423 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
TOSSP bit (one-shot stop)
Writing 1 to this bit stops the timer counting. This bit is always read as 0
TOSST bit (one-shot start)
In programmable one-shot generation mode or programmable wait one-shot generation mode,
writing 1 to this bit starts the timer counting and one-shot pulse output in synchronization with
the count source. This bit is always read as 0.
14.2.3 Timer RB I/O Control Register (TRBIOC)
b7
0
b6
0
b5
0
b4
0
b3
INOSEG
0
b2
INOSTG
0
b1
TOCNT
0
b0
TOPL
0
H'FFFFA2
TIPF[1:0]
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7, 6 Reserved These bits are read as 0. The write value should
be 0.
5, 4 TIPF[1:0] TRGB input filter
select
00: No filter operation
01: Filtered (Sampled at φ)
10: Filtered (Sampled at φ/8)
11: Filtered (Sampled at φ/32)
These bits should be set to B'00 for timer mode or
pulse output mode.
R/W
3 INOSEG One-shot trigger
polarity select
0: Triggered at a falling edge.
1: Triggered at a rising edge.
R/W
2 INOSTG One-shot trigger
control
0: The one-shot trigger function for the TRGB pin
is disabled.
1: The one-shot trigger function for TRGB pin is
enabled.
R/W
1 TOCNT Timer RB output
switch
0: Waveform is output from timer RB.
1: Waveform output is disabled.
R/W