Echelon I/O Model Reference for Smart Transceivers and Neu Manuel d'utilisateur télécharger pdf (Page 55)

I/O Model Reference 45

Figure 17. Touch I/O for Series 3100 Devices and Timing

Table 18. Touch I/O Latency Values for Series 3100 Devices

Symbol Description Minimum Typical Maximum

rsto

Reset call to data line low — 60.0 μs —

rstl

Reset pulse width — 500 μs —

pdh

Reset pulse release to data line high

10 MHz

5 MHz

4.8 μs

9.6 μs

—

275 μs

pdl

Presence pulse width — 120.0 μs —

Data line high detect to presence pulse — 80 μs —

rret

Return from reset function — 12.6 μs —

I/O call to data line low (start of bit slot) — 125.4 μs —

low

Start pulse width

10 MHz

5 MHz

—

4.2 μs

8.4 μs

—

rdi

Start pulse edge to sampling of input (read

operation)

10 MHz

5 MHz

—

15.0 μs

18.0 μs

—

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 208 209

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Echelon I/O Model Reference for Smart Transceivers and Neu Manuel d'utilisateur Page 55