8-Bit Timer/Event Counter Interval Time - NEC mPD780208 Subseries User Manual

(1) 8-bit interval timer
Interrupt requests are generated at the preset time intervals.
Minimum Interval Time
2 x 1/f (400 ns)
X
2
2 x 1/f (800 ns)
X
(1.6 µ s)
2 3 x 1/f
X
(3.2 µ s)
2 4 x 1/f
X
(6.4 µ s)
5
2 x 1/f
X
(12.8 µ s)
2 6 x 1/f
X
(25.6 µ s)
7
2 x 1/f
X
(51.2 µ s)
2 8 x 1/f
X
(102.4 µ s)
9
2 x 1/f
X
(204.8 µ s)
2 10 x 1/f
X
(819.2 µ s)
2 12 x 1/f
X
Remarks 1. f : Main system clock oscillation frequency
X
2. Figures in parentheses apply to operation with f
146
CHAPTER 7 8-BIT TIMER/EVENT COUNTER
Table 7-1. 8-Bit Timer/Event Counter Interval Time
Maximum Interval Time
(102.4 µ s)
2 9 x 1/f
X
(204.8 µ s)
10
2 x 1/f
X
(409.6 µ s)
2 11 x 1/f
X
(819.2 µ s)
2 12 x 1/f
X
13
2 x 1/f (1.64 ms)
X
2 14 x 1/f (3.28 ms)
X
15
2 x 1/f (6.55 ms)
X
2 16 x 1/f (13.1 ms)
X
17
2 x 1/f (26.2 ms)
X
2 18 x 1/f (52.4 ms)
X
2 20 x 1/f (209.7 ms)
X
User's Manual U11302EJ4V0UM
2 x 1/f (400 ns)
X
2
2 x 1/f (800 ns)
X
(1.6 µ s)
2 3 x 1/f
X
(3.2 µ s)
2 4 x 1/f
X
(6.4 µ s)
5
2 x 1/f
X
(12.8 µ s)
2 6 x 1/f
X
(25.6 µ s)
7
2 x 1/f
X
(51.2 µ s)
2 8 x 1/f
X
(102.4 µ s)
9
2 x 1/f
X
(204.8 µ s)
2 10 x 1/f
X
(819.2 µ s)
2 12 x 1/f
X
= 5.0 MHz.
X
Resolution