Echelon I/O Model Reference for Smart Transceivers and Neu Instrukcja Użytkownika Pobierz pdf (Strona 41)

I/O Model Reference 31

Direct I/O Models

This chapter describes direct input/output models. Direct I/O models

are based on a logic level at the I/O pins; none of the Neuron Chip or

Smart Transceiver hardware’s timer/counters are used in conjunction

with these I/O objects. These models can be used in multiple,

overlapping combinations within the same Neuron Chip or Smart

Transceiver.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 208 209

I/O Model Reference for Smart 1
Transceivers and Neuron Chips 1
Welcome 3
Audience 3
Related Documentation 3
Mini FX User’s Guide 4
Series 5000 Chip Data Book 4
Table of Contents 5
Introduction 11
Overview 12
Direct I/O Models 14
Parallel I/O Models 14
Serial I/O Models 15
Overlaying I/O Objects 18
I/O Timing Issues 22
Information 24
Multiplexing I/O Models 28
General I/O Functions 28
Neuron C Reference Guide 29
I/O Events 31
Neuron C Programmer’s Guide 31
Using Functions or Events 35
Timer/Counter I/O Models 38
Output Models 39
Bit Input/Output 42
Bit Input Example 45
Bit Output Example 45
Byte Input/Output 45
Byte Input Example 47
Byte Output Example 48
Leveldetect Input 48
Nibble Input/Output 50
Nibble Input Example 53
Nibble Output Example 53
Touch Input/Output 53
Muxbus Input/Output 62
Parallel Input/Output 65
Master Program 71
Slave Program 72
Slave B Mode 73
Token Passing 76
Handshaking 76
Transferring Data 76
Resynchronization Procedure 77
Using the IRQ Signal 80
Bitshift Input/Output 86
Bitshift Input Example 90
Bitshift Output Example 90
I2C Input/Output 90
Magcard Bitstream Input 94
Magcard Input 96
Magtrack1 Input 99
Programming Considerations 100
Syntax 101
Example 102
Neurowire Input/Output 102
Hardware Considerations 102
Neurowire Master Mode 103
Neurowire Slave Mode 104
SCI (UART) Input/Output 108
Serial Input/Output 113
Serial Input Example 117
Serial Output Example 117
SPI Input/Output 117
SPI Master 122
SPI Master (Neurowire 122
SPI Slave 123
Wiegand Input 128
Timer/Counter Input Models 133
Dualslope Input 135
Neuron C Resources 138
Edgelog Input 139
Infrared Input 144
Ontime Input 148
Period Input 151
Pulsecount Input 155
Quadrature Input 158
Totalcount Input 161
Timer/Counter Output Models 165
Edgedivide Output 166
Frequency Output 169
Infrared Pattern Output 172
Oneshot Output 175
Pulsecount Output 178
Pulsewidth Output 181
Stretched Triac Output 184
Triac Output 189
Example 1 192
Example 2 193
Triggered Count Output 193
Timer/Counter Periods and 197
Resolution 197
InputClock 199
And so on 200
Period = 201
Frequency = 1 / 201
196 Index 206

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