Interval Times - NEC PD78081(A) User Manual

(2) Interval timer mode
Interrupt requests are generated at the preset time intervals.
Interval Time
11
2 1/f
12
2 1/f
13
2 1/f
14
2 1/f
15
2 1/f
16
2 1/f
17
2 1/f
19
2 1/f
Remarks 1. f
2. f
3. MCS : Oscillation mode selection register (OSMS) bit 0
4. Values in parentheses when operated at f
104
CHAPTER 7 WATCHDOG TIMER
Table 7-2. Interval Times
11
2 1/f
XX
12
2 1/f
XX
13
2 1/f
XX
14
2 1/f
XX
15
2 1/f
XX
16
2 1/f
XX
17
2 1/f
XX
19
2 1/f
XX
: Main system clock frequency (f
XX
: Main system clock oscillation frequency
X
MCS = 1
(410 s)
X
(819 s)
X
(1.64 ms)
X
(3.28 ms)
X
(6.55 ms)
X
(13.1 ms)
X
(26.2 ms)
X
(104.9 ms)
X
or f /2)
X X
= 5.0 MHz.
X
CS = 0
12
2 1/f (819 s)
X
13
2 1/f (1.64 ms)
X
14
2 1/f (3.28 ms)
X
15
2 1/f (6.55 ms)
X
16
2 1/f (13.1 ms)
X
17
2 1/f (26.2 ms)
X
18
2 1/f (52.4 ms)
X
20
2 1/f (209.7 ms)
X