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

(2) External event counter
The number of pulses of an externally input signal can be measured.
(3) Square-wave output
A square wave with any selected frequency can be output.
Table 10-2. 8-Bit Timer/Event Counters 5 and 6 Square-Wave Output Ranges
Minimum Pulse Width
MCS = 1 MCS = 0
— 1/f
(200 ns)
1/f 2 x 1/f
X
(200 ns) (400 ns)
2
2 x 1/f 2 x 1/f
X
(400 ns) (800 ns)
2 3
2 x 1/f 2 x 1/f
X
(800 ns) (1.6 s)
2 3 x 1/f 2 4 x 1/f
X
(1.6 s) (3.2 s)
2 4 x 1/f 2 5 x 1/f
X
(3.2 s) (6.4 s)
5 6
2 x 1/f 2 x 1/f
X
(6.4 s) (12.8 s)
6 7
2 x 1/f 2 x 1/f
X
(12.8 s) (25.6 s)
2 7 x 1/f 2 8 x 1/f
X
(25.6 s) (51.2 s)
2 8 x 1/f 2 9 x 1/f
X
(51.2 s) (102.4 s)
9 10
2 x 1/f 2 x 1/f
X
(102.4 s) (204.8 s)
2 11 x 1/f 2 12 x 1/f
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) PWM output
TM5 and TM6 can generate 8-bit resolution PWM output.
CHAPTER 10 8-BIT TIMER/EVENT COUNTERS 5 AND 6
Maximum Pulse Width
MCS = 1
—
X
2 8 x 1/f
X X
(51.2 s)
9
2 x 1/f
X X
(102.4 s)
10
2 x 1/f
X X
(204.8 s)
2 11 x 1/f
X X
(409.6 s)
2 12 x 1/f
X X
(819.2 s)
13
2 x 1/f
X X
(1.64 ms)
14
2 x 1/f
X X
(3.28 ms)
2 15 x 1/f
X X
(6.55 ms)
2 16 x 1/f
X X
(13.1 ms)
17
2 x 1/f
X X
(26.2 ms)
2 19 x 1/f
X X
(104.9 ms)
Resolution
MCS = 0 MCS = 1
2 8 x 1/f —
X
(51.2 s)
2 9 x 1/f 1/f
X X
(102.4 s) (200 ns)
10
2 x 1/f 2 x 1/f
X X
(204.8 s) (400 ns)
11 2
2 x 1/f 2 x 1/f
X X
(409.6 s) (800 ns)
2 12 x 1/f 2 3 x 1/f
X X
(819.2 s) (1.6 s)
2 13 x 1/f 2 4 x 1/f
X X
(1.64 ms) (3.2 s)
14 5
2 x 1/f 2 x 1/f
X X
(3.28 ms) (6.4 s)
15 6
2 x 1/f 2 x 1/f
X X
(6.55 ms) (12.8 s)
2 16 x 1/f 2 7 x 1/f
X X
(13.1 ms) (25.6 s)
2 17 x 1/f 2 8 x 1/f
X X
(26.2 ms) (51.2 s)
18 9
2 x 1/f 2 x 1/f
X X
(52.4 ms) (102.4 s)
2 20 x 1/f 2 11 x 1/f
X X
(209.7 ms) (409.6 s)
= 5.0 MHz.
X
MCS = 0
1/f
X
(200 ns)
2 x 1/f
X
(400 ns)
2
2 x 1/f
X
(800 ns)
3
2 x 1/f
X
(1.6 s)
2 4 x 1/f
X
(3.2 s)
2 5 x 1/f
X
(6.4 s)
6
2 x 1/f
X
(12.8 s)
7
2 x 1/f
X
(25.6 s)
2 8 x 1/f
X
(51.2 s)
2 9 x 1/f
X
(102.4 s)
10
2 x 1/f
X
(204.8 s)
2 12 x 1/f
X
(819.2 s)
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