NEC mPD780344 Series User Manual page 175

TCLB02 TCLB01 TCLB00
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
Remarks 1. f : Main system clock oscillation frequency
X
2. f : Input frequency from TMIB0 pin
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3. The parenthesized values apply to operation at f
CHAPTER 7 8-BIT TIMERS A0, B0
Table 7-6. Interval Time with 16-Bit Resolution
Minimum Interval Time
(0.4 µ s)
2
2 /f
X
(0.8 µ s)
3
2 /f
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 U15798EJ2V0UD
Maximum Interval Time
18
2 /f (26.2 ms)
X
19
2 /f (52.4 ms)
X
input cycle × 2
16
f
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/2 input cycle × 2
16
f
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2 input cycle × 2 16
f /2
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3 input cycle × 2 16
f /2
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= 10.0 MHz
X
Resolution
(0.4 µ s)
2
2 /f
X
(0.8 µ s)
3
2 /f
X
f input cycle
TMI
f /2 input cycle
TMI
2
f /2 input cycle
TMI
3
f /2 input cycle
TMI
175