Echelon I/O Model Reference for Smart Transceivers and Neuron Chips - Manual (Page 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.