Bit Timer/Event Counters 5 And 6 Square-Wave Output Ranges - NEC PD78076 User Manual

CHAPTER 10 8-BIT TIMER/EVENT COUNTERS 5 AND 6
Table 10-5. 8-Bit Timer/Event Counters 5 and 6 Square-Wave Output Ranges
Minimum Pulse Time
MCS = 1 MCS = 0
— 1/f
X
(200 ns)
1/f 2 x 1/f
X X
(200 ns) (400 ns)
2 x 1/f 2 2 x 1/f
X X
(400 ns) (800 ns)
2 3
2 x 1/f 2 x 1/f
X X
(800 ns) (1.6 s)
3 4
2 x 1/f 2 x 1/f
X X
(1.6 s) (3.2 s)
2 4 x 1/f 2 5 x 1/f
X X
(3.2 s) (6.4 s)
2 5 x 1/f 2 6 x 1/f
X X
(6.4 s) (12.8 s)
6 7
2 x 1/f 2 x 1/f
X X
(12.8 s) (25.6 s)
2 7 x 1/f 2 8 x 1/f
X X
(25.6 s) (51.2 s)
2 8 x 1/f 2 9 x 1/f
X X
(51.2 s) (102.4 s)
2 9 x 1/f 2 10 x 1/f
X X
(102.4 s) (204.8 s)
11 12
2 x 1/f 2 x 1/f
X X
(409.6 s) (819.2 s)
Remarks 1. f : Main system clock oscillation frequency
X
2. MCS : Bit 0 of oscillation mode selection register (OSMS)
3. Figures in parentheses apply to operation with f
4. n = 5, 6
Maximum Pulse Time
MCS = 1 MCS = 0
8
— 2 x 1/f
X
(51.2 s)
2 8 x 1/f 2 9 x 1/f
X X
(51.2 s) (102.4 s)
2 9 x 1/f 2 10 x 1/f
X X
(102.4 s) (204.8 s)
10 11
2 x 1/f 2 x 1/f
X X
(204.8 s) (409.6 s)
11 12
2 x 1/f 2 x 1/f
X X
(409.6 s) (819.2 s)
2 12 x 1/f 2 13 x 1/f
X X
(819.2 s) (1.64 ms)
2 13 x 1/f 2 14 x 1/f
X X
(1.64 ms) (3.28 ms)
14 15
2 x 1/f 2 x 1/f
X X
(3.28 ms) (6.55 ms)
2 15 x 1/f 2 16 x 1/f
X X
(6.55 ms) (13.1 ms)
2 16 x 1/f 2 17 x 1/f
X X
(13.1 ms) (26.2 ms)
2 17 x 1/f 2 18 x 1/f
X X
(26.2 ms) (52.4 ms)
19 20
2 x 1/f 2 x 1/f
X X
(104.9 ms) (209.7 ms)
Resolution
MCS = 1 MCS = 0
—
(200 ns)
1/f 2 x 1/f
X
(200 ns) (400 ns)
2 x 1/f 2
X
(400 ns) (800 ns)
2
2 x 1/f 2
X
(800 ns) (1.6 s)
3
2 x 1/f 2
X
(1.6 s) (3.2 s)
2 4 x 1/f 2
X
(3.2 s) (6.4 s)
2 5 x 1/f 2
X
(6.4 s) (12.8 s)
6
2 x 1/f 2
X
(12.8 s) (25.6 s)
2 7 x 1/f 2
X
(25.6 s) (51.2 s)
2 8 x 1/f 2
X
(51.2 s) (102.4 s)
2 9 x 1/f 2
X
(102.4 s) (204.8 s)
11
2 x 1/f 2
X
(409.6 s) (819.2 s)
= 5.0 MHz.
X
1/f
X
X
2 x 1/f
X
3
x 1/f
X
4
x 1/f
X
5 x 1/f
X
6 x 1/f
X
7
x 1/f
X
8 x 1/f
X
9 x 1/f
X
10 x 1/f
X
12
x 1/f
X
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