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M16C/29 Group
(a) When using the prescaler function
(When the G1TPRj register (j=6, 7) =02
f
BT1
Base timer
INPC1j pin input or
trigger signal after
passing the digital
filter
Internal time
measurement trigger
Prescaler (Note 1)
G1IRj bit (Note 2)
G1TMj register
Notes :
1. This applies to the second period that the G1TPRj register decrements after setting the PR bit in the G1TMCRj
register to "1" (prescaler used).
2. Bits in the G1IR register.
(b) When using the gate function
(Gate function is cleared by matching the G1POk register and base timer,
the GT bit in the G1TMCRj register=1, the GOC bit=1)
f
BT1
Base timer
IFEj bit in G1FE
register
INPC1j pin input or
trigger signal after
passing the digital
filter
Internal time
measurement trigger
G1POk register
match signal
Gate control signal
G1IRj bit (Note 1)
G1TMj register
Note 1: Bits in the G1IR register.
Figure 13.4.3. Prescaler Function and Gate Function
Rev.1.00 Nov 01,2004
REJ09B0101-0100Z
n-2
n-1
n
FFFF
16
0000
16
page 153 of 402
13. Timer S (Input Capture / Output Compare)
, PR bit in the G1TMCRj register (j=6, 7) =1)
16
n+1
n+2
n+3
n+4
n+5
n+6
2
1
When setting to "0", write "0" by program
Value of the G1POk register
This trigger input is disabled
due to gate function.
Gate
When setting to "0", write "0" by program
n+7
n+8
n+9 n+10 n+11
+12 n+13
0
n+1
Gate cleared
Gate
.
n+14
2
n+13
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