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Echelon I/O Model Reference for Smart Transceivers and Neuron Chips User Manual

Page 207

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I/O Model Reference

197

L

lamp dimmers, 174, 179
latch, 38

latency

function call, 15
scheduler, 13

LCD displays, 103

leveldetect input, 38

M

magcard bitstream input, 84
magcard input, 86

magnetic card reader, 84, 86

magnetic stripe reader, 89

magtrack1 input, 89
measurements, I/O, 28

Microprocessor Interface Program, 55

Microwire interface, 92
MIP, 55

modems, 103

multiplexing, I/O object, 18
muxbus I/O, 52

N

NEC infrared protocol, 135

neurowire I/O

master mode, 93

overview, 92
slave mode, 94

nibble I/O, 40

O

oneshot output, 165

ontime input, 138
overlaying, I/O object, 17

P

parallel I/O

data transfer, 66

example, 60

handshake, 66
IRQ signal, 70

master mode, 56

overview, 55
resynchronization, 67

slave A mode, 56

slave B mode, 63
token passing, 66

parallel_io_interface structure, 71

period input, 141
pin compatibility, 11

pin sampling, 28

position actuators, 183
pragma codegen use_i2c_version_1, 83

pragma enable_io_pullups, 10

pragma enable_multiple_baud, 96, 106
pragma specify_io_clock, 100

programming considerations, 15

pull-ups, enabling, 10
pulsecount input, 145

pulsecount output, 168

pulsetrain output, timer/counter, 193
pulsewidth output, 171

Q

quadrature input, 148

R

RS-232, 103

running totals, 151

S

sampling, pin, 28
scheduler latency, 13

SCI, 103

SCI I/O, 98
sci_abort function, 102

sci_get_error function, 102

search_data_s structure, 48
serial communications interface, 98

serial I/O, 103

serial peripheral interface, 92, 107

shaft encoders, 148
shift register, 76

ShortStack Micro Server, 55

SPI, 92
SPI I/O, 107

spi_abort function, 117

spi_get_error function, 117
square wave output signal, 159

square wave output, timer/counter, 190

stepper motors, 145, 168, 183
stretched triac output, 174

structure

parallel_io_interface, 71
search_data_s, 48

syntax, for I/O object, 16

T

tachometers, 138, 141

terminals, 103

time-domain data, 129
timer/counter

maximum range, 188

overview, 124
pulsetrain output, 193

resolution, 188

square wave output, 190
types, 7