Echelon I/O Model Reference for Smart Transceivers and Neuron Chips User Manual
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
t
rsto
Reset call to data line low
—
60.0 μs —
t
rstl
Reset
pulse
width
—
500
μs —
t
pdh
Reset pulse release to data line high
10 MHz
5 MHz
4.8 μs
9.6 μs
—
275 μs
275 μs
t
pdl
Presence pulse width
—
120.0 μs —
t
wh
Data line high detect to presence pulse
—
80 μs —
t
rret
Return from reset function
—
12.6 μs —
t
f
I/O call to data line low (start of bit slot)
—
125.4 μs —
t
low
Start
pulse
width
10 MHz
5 MHz
—
4.2 μs
8.4 μs
—
t
rdi
Start pulse edge to sampling of input (read
operation)
10 MHz
5 MHz
—
15.0 μs
18.0 μs
—