Interval Time With 16-Bit Resolution - NEC PD789488 User Manual

Pd789489 subseries 8-bit single-chip microcontrollers
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TCL602 TCL601 TCL600
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Remarks 1. f
:
Main system clock oscillation frequency
X
2. f
: External input clock frequency
TMI
3. The parenthesized values apply to operation at f
144
CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
Table 7-9. Interval Time with 16-Bit Resolution
Minimum Interval Time
µ
1/f
(0.2
s)
X
2
µ
2
/f
(0.8
s)
X
f
input cycle
TMI
f
/2 input cycle
TMI
2
f
/2
input cycle
TMI
3
f
/2
input cycle
TMI
User's Manual U15331EJ4V1UD
Maximum Interval Time
16
2
/f
(13.1 ms)
X
18
2
/f
(52.4 ms)
X
16
input cycle × 2
f
TMI
16
f
/2 input cycle × 2
TMI
2
16
f
/2
input cycle × 2
TMI
3
16
input cycle × 2
f
/2
TMI
= 5.0 MHz.
X
Resolution
µ
1/f
(0.2
s)
X
2
µ
2
/f
(0.8
s)
X
f
input cycle
TMI
f
/2 input cycle
TMI
2
f
/2
input cycle
TMI
3
f
/2
input cycle
TMI

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