PMD MC73110, Руководство пользователя

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MC73110 Developer’s Kit Manual 33
5.0 MC73110
Electrical Reference
5
In This Section
User-Settable Jumper Options
Connecting to the Card
5.1 User-Settable Jumper Options
The following table shows the user-settable jumper options for the MC73110 Developer’s Kit card. For jumper
locations see the diagram on the following page.
Jumper Jumper Description
setting
JP1, JP2 1-2 Selects RS-232 communication using on-board transceiver.
This is the default position of this jumper.
2-3 Selects RS-485 communiction using user-provided daughtercard. For a complete
description of the electrical requirements of this daughtercard,
see section 5.2.3, RS-485 Communications, page 39.
3-4 Reserved
JP3-JP5 1-2 Reserved, must be set to 1-2
JP6, JP7 1-2 Selects use of on board amplifier/switcher. This is the default setting.
2-3 Selects use of remote amplifier/switcher. This setting is useful to
verify custom amplifier design or to connect to more powerful switching blocks .
JP9, JP10 1-2 Reserved, must be set to 1-2
In addition, the following resistor pack should be installed depending on whether single or
differential quadrature encoders are used.
Resistor How to set Description
pack
J8 Installed If you are using differential connections
this is the default setting leave the resistor pack installed.
Removed If you are using single-ended encoder connections,
remove the resistor pack.