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R8C/10 Group
Rev.1.20 Jan 27, 2006 page 74 of 180
REJ09B0019-0120
Figure 12.20 PREZ Register, TZSC Register, TZPR Register, and TYZOC Register
NOTES:
1. Each value in the TZPR register and TZSC register is reloaded to the counter alternately for counting.
2. The count value can be read out by reading the TZSC register even when the secondary period is being
counted.
N
O
T
E
S
:
1
.
E
a
c
h
v
a
l
u
e
i
n
t
h
e
T
Z
P
R
r
e
g
i
s
t
e
r
a
n
d
T
Z
S
C
r
e
g
i
s
t
e
r
i
s
r
e
l
o
a
d
e
d
t
o
t
h
e
c
o
u
n
t
e
r
a
l
t
e
r
n
a
t
e
l
y
f
o
r
c
o
u
n
t
i
n
g
.
Symbol Address After reset
PREZ 0085
16
FF
16
b
7
b
0
R
W
I
n
t
e
r
n
a
l
c
o
u
n
t
s
o
u
r
c
e
o
r
T
i
m
e
r
Y
u
n
d
e
r
f
l
o
w
i
s
c
o
u
n
t
e
d
F
u
n
c
t
i
o
nS
e
t
t
i
n
g
r
a
n
g
e
P
r
e
s
c
a
l
e
r
Z
r
e
g
i
s
t
e
r
00
16
to FF
16
Internal count source or Timer Y
underflow is counted
00
16
to FF
16
I
n
t
e
r
n
a
l
c
o
u
n
t
s
o
u
r
c
e
o
r
T
i
m
e
r
Y
u
n
d
e
r
f
l
o
w
i
s
c
o
u
n
t
e
d00
16
to FF
16
T
i
m
e
r
m
o
d
e
P
r
o
g
r
a
m
m
a
b
l
e
w
a
v
e
f
o
r
m
g
e
n
e
r
a
t
i
o
n
m
o
d
e
P
r
o
g
r
a
m
m
a
b
l
e
o
n
e
-
s
h
o
t
g
e
n
e
r
a
t
i
o
n
m
o
d
e
M
o
d
e
R
W
RW
R
W
I
n
t
e
r
n
a
l
c
o
u
n
t
s
o
u
r
c
e
o
r
T
i
m
e
r
Y
u
n
d
e
r
f
l
o
w
i
s
c
o
u
n
t
e
d
0
0
1
6
t
o
F
F
1
6
P
r
o
g
r
a
m
m
a
b
l
e
w
a
i
t
o
n
e
-
s
h
o
t
g
e
n
e
r
a
t
i
o
n
m
o
d
e
R
W
Symbol Address After reset
TZSC 0086
16
FF
16
b
7
b
0
R
W
Invalid
F
u
n
c
t
i
o
nS
e
t
t
i
n
g
r
a
n
g
e
T
i
m
e
r
Z
S
e
c
o
n
d
a
r
y
r
e
g
i
s
t
e
r
Underflow of
Prescaler Z is counted
(1)
00
16
to FF
16
I
n
v
a
l
i
d
T
i
m
e
r
m
o
d
e
P
r
o
g
r
a
m
m
a
b
l
e
w
a
v
e
f
o
r
m
g
e
n
e
r
a
t
i
o
n
m
o
d
e
P
r
o
g
r
a
m
m
a
b
l
e
o
n
e
-
s
h
o
t
g
e
n
e
r
a
t
i
o
n
m
o
d
e
M
o
d
e
WO
(2)
Underflow of Prescaler Z is
counted
(One-shot width is counted)
00
16
to FF
16
Programmable wait
one-shot generation
mode
W
O
Symbol Address After reset
TZPR 0087
16
FF
16
b
7
b
0
RW
U
n
d
e
r
f
l
o
w
o
f
P
r
e
s
c
a
l
e
r
Z
i
s
c
o
u
n
t
e
d
F
u
n
c
t
i
o
nS
e
t
t
i
n
g
r
a
n
g
e
T
i
m
e
r
Z
P
r
i
m
a
r
y
r
e
g
i
s
t
e
r
00
16
to FF
16
Underflow of
Prescaler Z is counted
(1)
00
16
to FF
16
U
n
d
e
r
f
l
o
w
o
f
P
r
e
s
c
a
l
e
r
Z
i
s
c
o
u
n
t
e
d
(
O
n
e
-
s
h
o
t
w
i
d
t
h
i
s
c
o
u
n
t
e
d
)
00
16
to FF
16
Timer mode
Programmable
waveform
generation mode
P
r
o
g
r
a
m
m
a
b
l
e
o
n
e
-
s
h
o
t
g
e
n
e
r
a
t
i
o
n
m
o
d
e
M
o
d
e
R
W
RW
R
W
U
n
d
e
r
f
l
o
w
o
f
P
r
e
s
c
a
l
e
r
Z
i
s
c
o
u
n
t
e
d
(
W
a
i
t
p
e
r
i
o
d
i
s
c
o
u
n
t
e
d
)
00
16
to FF
16
Programmable wait
one-shot generation
mode
R
W
T
i
m
e
r
Y
,
Z
o
u
t
p
u
t
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
(
3
)
S
y
m
b
o
lA
d
d
r
e
s
sA
f
t
e
r
r
e
s
e
t
T
Y
Z
O
C0
0
8
A
1
6 0
01
6
B
i
t
n
a
m
e
F
u
n
c
t
i
o
nB
i
t
s
y
m
b
o
l
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
T
Z
O
C
N
T
T
Y
O
C
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T
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Z
O
S
N
o
t
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d
.
W
h
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n
w
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,
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e
t
t
o
"
0
"
.
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h
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a
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t
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s
"
0
"
.
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i
m
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r
Z
o
n
e
-
s
h
o
t
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t
a
r
t
b
i
t
(
1
)
T
i
m
e
r
Y
p
r
o
g
r
a
m
m
a
b
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(
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)
0
:
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u
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p
r
o
g
r
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a
b
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a
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m
1
:
O
u
t
p
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3
2
p
o
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:
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1
p
o
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:
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t
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:
S
t
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(
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:
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.
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.
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(
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r
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(
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p
)
.
R
W
R
W
R
W
R
W
(
b
7
-
b
3
)
12.3 Timer (Timer Z)
Vedere la pagina 83
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