Step Technica MKY02, Руководство пользователя

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MKY02 User’s Manual
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Chapter 4 Cascade Connection of MKY02
4.1 Concepts of Port Addition.................................................................................... 4-3
4.1.1 Port Addition by Stacking Method............................................................................. 4-3
4.1.2 Port Addition by Cascade Connection ...................................................................... 4-4
4.1.3 Maximum Available Cascade Connections............................................................... 4-4
4.2 Practical Side of Cascade Connection................................................................ 4-5
4.2.1 Cascade Pins ............................................................................................................... 4-5
4.2.2 Operation of Cascade Connection Pins .................................................................... 4-6
4.2.3 Connection of Cascade Clocks and Determination of Baud Rate .......................... 4-7
4.2.4 Connection of Hardware Reset Signal ...................................................................... 4-7
4.2.5 Selecting Communication Mode ................................................................................ 4-8
4.2.6 Connection of Each Port............................................................................................. 4-8
4.2.7 Placement of Monitor LEDs........................................................................................ 4-9
4.3 Example Circuit for Port-added HUB by Cascade Connection....................... 4-10
Chapter 5 Ratings
5.1 Electrical Ratings .................................................................................................. 5-3
5.2 AC Characteristics ................................................................................................ 5-3
5.2.1 Clock and Reset Timing.............................................................................................. 5-4
5.2.2 Port Pin Timing (TXE0 to 7, TXD0, TXD17, RXD0 to 7)............................................. 5-5
5.2.3 Cascade Connection Pin Timing................................................................................ 5-6
5.2.4 Output Timing of #LEDRCV and #LEDRZE Pins ...................................................... 5-6
5.2.5 Timing of Receive Monitor Pin of Individual Port (RLLD, RLDT, RLCK) ................ 5-7
5.3 Package Dimensions ............................................................................................ 5-8
5.4 Recommended Soldering Conditions ................................................................. 5-9
5.5 Recommended Reflow Conditions ...................................................................... 5-9