Echelon I/O Model Reference for Smart Transceivers and Neuron Chips - Manual (Page 16)

6 Introduction
Table 4. Summary of the Timer/Counter Input Models
I/O Model Applicable I/O Pins Total Pins
per Object
Input/Output Value Page
Dualslope Input IO0, IO1 + (one of
IO4 – IO7)
2 Comparator output of the
dualslope converter logic
125
Edgelog Input IO4 1 A stream of input
transitions
129
Infrared Input IO4 – IO7 1 Encoded data stream from
an infrared demodulator 134
Ontime Input IO4 – IO7 1 Pulse width of 0.2 μs –
1.678 s 138
Period Input IO4 – IO7 1 Signal period of 0.2 μs –
1.678 s 141
Pulsecount Input IO4 – IO7 1 0 – 65,535 input edges
during
0.839 s
145
Quadrature Input IO4 + IO5, IO6 +
IO7
2 ±
16,383 binary Gray code
transitions
148
Totalcount Input IO4 – IO7 1 0 – 65,535 input edges 151
See Chapter 5, Timer/Counter Input Models , on page 123, for more information
about the timer/counter input models.
Table 5. Summary of the Timer/Counter Output Models
I/O Model Applicable I/O Pins Total Pins
per Object
Input/Output Value Page
Edgedivide Output IO0, IO1 + (one of
IO4 – IO7)
2 Output frequency is the
input frequency divided by
a user-specified number
156
Frequency Output IO0, IO1 1 Square wave of 0.3 Hz to
2.5 MHz
159
Infrared Pattern
Output
IO0, IO1 1 Series of timed repeating
square wave output signals
162
Oneshot Output IO0, IO1 1 Pulse of duration 0.2 μs to
1.678 s
165
Pulsecount Output IO0, IO1 1 0 – 65,535 pulses 168