Echelon I/O Model Reference for Smart Transceivers and Neuron Chips - Manual (Page 206)

196 Index
I
I/O
A/D converter, 125
angular position measurement, 148
ASCII data, 35
BCD data, 40
D/A converter, 138, 141, 165, 171
EIA-232, 103
eight pin, 35
frequency counter, 138, 141
frequency divider, 156
frequency measurement, 168
infrared command input, 129
infrared remote control, 134, 162
lamp dimmer, 174, 179
latched, 38
LCD display, 103
magnetic card reader, 84, 86
magnetic stripe reader, 89
measurements, 28
modem, 103
parallel, 55
position actuator, 183
running total, 151
shaft encoder, 148
shift register, 76
single pin, 32
sixteen bit, 76
square wave output signal, 159
stepper motor, 145, 168, 183
tachometer, 138, 141
terminal, 103
time-domain data, 129
triac device, 174, 179
TTL signal, 32
UART, 52, 98
I/O functions
for timer/counters, 26
general, 18
I/O object
bit, 32
bitshift, 76
byte, 35
declaring, 16
definition, 2
direct, 31
dualslope, 125
edgedivide, 156
edgelog, 129
frequency, 159
guidelines, 8
I2C, 80
infrared, 134
infrared pattern, 162
leveldetect, 38
magcard, 86
magcard bitstream, 84
magtrack1, 89
multiplexing, 18
muxbus, 52
neurowire, 92
nibble, 40
oneshot, 165
ontime, 138
overlaying, 17
parallel, 51, 55
period, 141
pulsecount, 145, 168
pulsewidth, 171
quadrature, 148
SCI, 98
serial, 75, 103
SPI, 107
stretched triac, 174
summary, 2
syntax, 16
timer/counter, 123, 155
totalcount, 151
touch, 43
triac, 179
triggered count, 183
Wiegand, 118
I/O timing
firmware and hardware, 14
scheduler, 13
I2C I/O, 80
iButton devices, 43
infrared
command input, 129
remote control, 134, 162
infrared input, 134
infrared pattern output, 162
input_is_new variable, 21
input_value variable, 24
Inter-Integrated Circuit I/O, 80
interrupt, 100, 114
introduction, 2
io_changes event, 22
io_edgelog_preload function, 131
io_edgelog_single_preload function, 132
io_idis function, 100, 114
io_iena function, 100, 114
io_in() function, 19
io_in_ready event, 71
io_in_ready function, 102, 117
io_in_request function, 102, 128
io_out() function, 20
io_out_ready event, 71
io_out_ready function, 102, 117
io_out_request function, 71, 102
io_set_baud function, 102
io_set_terminal_count( ) function
definition, syntax and example, 178
io_update_occurs event, 23, 128
ISO 3554 track 1 device, 89
ISO 7811 Track 2 device, 86