Echelon I/O Model Reference for Smart Transceivers and Neu Instrukcja Użytkownika Pobierz pdf (Strona 200)

190 Timer/Counter Periods and Resolution

Table 67. Series 5000 Timer/Counter Resolution and Maximum Range

Dualslope, Edgelog, Ontime, and

Period Inputs; Oneshot and Triac

Outputs Frequency Output

TCCLK Macro

Resolution

Maximum

Range Resolution

Maximum

Range

TCCLK_40MHz 25 ns 1.64 ms 50 ns 3.28 ms

TCCLK_20MHz 50 ns 3.28 ms 0.1 μs 6.56 ms

TCCLK_10MHz 0.1 μs 6.56 ms 0.2 μs 13.1 ms

TCCLK_5MHz 0.2 μs 13.1 ms 0.4 μs 26.2 ms

TCCLK_2500kHz 0.4 μs 26.2 ms 0.8 μs 52.4 ms

TCCLK_1250kHz 0.8 μs 52.4 ms 1.6 μs 105 ms

TCCLK_625kHz 1.6 μs 105 ms 3.2 μs 210 ms

TCCLK_312k5Hz 3.2 μs 210 ms 6.4 μs 419 ms

TCCLK_156k2Hz 6.4 μs 419 ms 12.8 μs 839 ms

TCCLK_78k12Hz 12.8 μs 839 ms 25.6 μs 1678 ms

TCCLK_39k06Hz 25.6 μs 1678 ms 51.2 μs 3355 ms

TCCLK_19k53Hz 51.2 μs 3355 ms 102.4 μs 6711 ms

TCCLK_9k77Hz 102.4 μs 6711 ms 204.8 μs 13 422 ms

TCCLK_4k88Hz 204.8 μs 13 422 ms 409.6 μs 26 843 ms

TCCLK_2k44Hz 409.6 μs 26 843 ms 819.2 μs 53 686 ms

TCCLK_1k22Hz 819.2 μs 53 686 ms 1638.4 μs 107 373 ms

For each of the timer/counter I/O models, the range and resolution in Table 67

should be read as:

•

Range of 13.1 ms in steps of 0.2 μs

•

Range of 26.2 ms in steps of 0.4 μs

•

And so on

Timer/Counter Square Wave Output

The following sections list the possible choices for pulsetrain repetition

frequencies for pulsewidth short output and pulsecount output.

1 2 ... 195 196 197 198 199 200 201 202 203 204 205 ... 208 209

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