Renesas M16C FAMILY series Hardware Manual page 174
16-bit single-chip microcomputer
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Also See for M16C FAMILY series:
- User manual (380 pages) ,
- Hardware manual (257 pages) ,
- Hardware manual (197 pages)
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M
1
6
C
2 /
8
G
o r
u
p
(
M
1
6
C
When selecting the rising edge as a timer measurement trigger
(a)
(The CTS1 to CTS0 bits in the G1TMCR register (j=0 to 7)=01
f
BT1
Base timer
INPC1j pin input or
trigger signal after
passing the digital
filter
(1)
G1IRj bit
G1TMj register
NOTES :
1. Bits in the G1IR register.
2. Input pulse applied to the INPC1j pin requires 1.5 f
When selecting both edges as a timer measurement trigger
(b)
(The CTS1 to CTS0 bits=11
f
BT1
Base timer
INPC1j pin input or
trigger signal after
passing the digital
filter
(1)
G1IRj bit
(2)
G1TMj register
NOTES :
1. Bits in the G1IR register.
2. No interrupt is generated if the microcomputer receives a trigger signal when the G1IRj bit is set to "1".
However, the value of the G1TMj register is updated.
(c) Trigger signal when using digital filter
(The DF1 to DF0 bits in the G1TMCR register =10
(1)
f
or f
or f
1
2
BT1
INPC1j pin
Trigger signal after
passing the digital
filter
NOTES:
1. f
BT1
Figure 13.20 Time Measurement Function (2)
R
e
. v
2
0 .
0
J
a
. n
3
, 1
2
0
0
7
R
E
J
0
9
B
0
0
4
7
0 -
2
0
0
2 /
, 8
M
1
6
C
2 /
8
) B
n
n-2
n-1
n+1
n+2
Delayed by 1 clock
)
2
n-2
n-1
n
n+1
n+2
n
Signals, which do not match 3
times, are stripped off
when the DF1 to DF0 bits are set to "10
page 154
f o
3
8
5
n+3
n+4
n+5
n+6
n+7
n+8
(2)
n
n +5
clock cycles or more.
.
BT1
n+3
n+4
n+5
n+6
n+7
n+8
n+2
n+5
.
or 11
)
2
2
The trigger signal is delayed
by the digital filter
", and f
or f
when set to "11
1
2
2
)
2
n+9 n+10 n+11 n+12 n+13 n+14
write "0" by program if setting to "0"
n+8
n+9 n+10 n+11 n+12 n+13 n+14
write "0" by program
if setting to "0"
n+8
n+12
Maximum 3.5 f
or f
1
2
(1)
clock cycles
".
2
13. Timer S
or f
BT1
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