Step Technica MKY02, Руководство пользователя

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MKY02 User’s Manual
(for Hi-speed Link System)
- iv -
CONTENTS
Chapter 1 Concepts for Using MKY02 (HUB)
1.1 Role of MKY02 ....................................................................................................... 1-3
1.2 Basic HLS Configuration ...................................................................................... 1-3
1.3 HLS Configuration using HUBs ........................................................................... 1-4
1.3.1 Extending Total Length of Network Cable ................................................................ 1-4
1.3.2 Branching Multi-dropped Network Cables................................................................ 1-6
1.3.3 Eliminating Connection or Disconnection of Termination Resistor
to or from Each Device ............................................................................................... 1-7
1.3.4 Star Topology .............................................................................................................. 1-8
1.4 Basic HUB Connection ......................................................................................... 1-9
1.5 Multi-drop Network of HUBs .............................................................................. 1-10
1.6 Port Addition to HUB .......................................................................................... 1-11
1.7 MKY02 Operation ................................................................................................ 1-12
1.7.1 Receiving and Sending Packets .............................................................................. 1-12
1.7.2 Signal Correction....................................................................................................... 1-13
1.7.3 Detection of Error Packet ......................................................................................... 1-13
1.8 Features of MKY02 .............................................................................................. 1-14
Chapter 2 MKY02 Hardware ................................................................................2-3
Chapter 3 Single Connection of MKY02
3.1 Voltage Levels of Pins Connecting to Signal Pins............................................. 3-4
3.2 Supplying Driving Clock and Hardware Reset Signal ....................................... 3-5
3.2.1 Supplying Driving Clock ............................................................................................. 3-5
3.2.2 Setting Cascade Clock and Baud Rate...................................................................... 3-6
3.2.3 Hardware Reset ........................................................................................................... 3-7
3.3 Connecting Network Interface ............................................................................. 3-8
3.3.1 Selecting Communication Mode ................................................................................ 3-8
3.3.2 Connection of Port 0 ................................................................................................... 3-8
3.3.3 Connection of Ports 1 to 7.......................................................................................... 3-9
3.3.4 Recommended Network Connection....................................................................... 3-10
3.4 Connecting Monitor LEDs .................................................................................. 3-11
3.4.1 Packet Receive Monitor ............................................................................................ 3-11
3.4.2 Packet Error Monitor ................................................................................................. 3-12
3.4.3 Port Receive Monitor................................................................................................. 3-13
3.5 Handling Cascade Connection Pins.................................................................. 3-15
3.6 Cautions for Designing HUB .............................................................................. 3-15
3.7 Example Circuit for Single Connection of MKY02 ........................................... 3-16