3 time-base timer control register (tbtc), Time-base timer control register (tbtc) – FUJITSU F2MC-8L F202RA User Manual
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CHAPTER 5 TIME-BASE TIMER
5.3
Time-base Timer Control Register (TBTC)
The time-base timer control register (TBTC) selects a time interval, clears the counter,
controls interrupts, or checks the status.
■
Time-base Timer Control Register (TBTC)
Figure 5.3-1 Time-base Timer Control Register (TBTC)
TBR
0
1
TBC1 TBC0
0
0
2
1
3
/
F
CH
0
1
1
0
1
1
TBIE
0
1
TBOF
0
1
b
it7
b
it6
b
it5
b
it4
b
it
3
b
it2
b
it1
b
it0
000A
H
TBOF TBIE
TBC1 TBC0 TBR
00---000
B
R/W R/W
R/W R/W
R/W
R/W : Re
a
d
ab
le/Writ
ab
le
: Initi
a
l v
a
l
u
e
2
15
/
F
CH
2
1
8
/
F
CH
2
22
/
F
CH
Addre
ss
Initi
a
l v
a
l
u
e
Time-
bas
e timer initi
a
liz
a
tion
b
it
Re
a
d
Re
a
d
Write
The time-
bas
e timer co
u
nter i
s
cle
a
red.
Write
"1" i
s
a
lw
a
y
s
re
a
d.
Nothing i
s
ch
a
nged
a
nd
a
ffected.
Time interv
a
l
s
election
b
it
s
F
CH
: O
s
cill
a
tion fre
qu
ency
Interr
u
pt re
qu
e
s
t en
ab
le
b
it
The interr
u
pt re
qu
e
s
t o
u
tp
u
t i
s
di
sab
led.
The interr
u
pt re
qu
e
s
t o
u
tp
u
t i
s
en
ab
led.
Overflow interr
u
pt re
qu
e
s
t fl
a
g
b
it
The
s
pecified
b
it h
as
not overflowed. Thi
s
b
it i
s
cle
a
red.
The
s
pecified
b
it h
as
overflowed.
Nothing i
s
ch
a
nged
a
nd
a
ffected.
: Un
us
ed