Texas Instruments DS90UB926QSEVB, Руководство пользователя

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4 DS90UB926QSEVB User’s Guide Sept 2012
2. Board Setup Details
This section describes, in detail, the connectors and jumpers on the board as well as how to properly
connect, set up, and use the DS90UB926Q EVB.
2.1. Power Connections
1) Connect ground to J7.
2) Connect an external 3.3V into J6. This is the core voltage of the DS90UB926Q.
3) For VDDIO = 1.8V, connect ground to pin 2 of JP1.
4) Connect an external 1.8V into pin 1 of JP1. This is VDDIO power.
2.2. FPD-Link III Connection
J12, J13 – is the default SMA connector. Apply an FPD-Link III serial stream into J12 and J13. Note: J12
goes to RxIN+, J13 goes to RxIN- of the DS90UB926Q. Typically the serializer will be the DS90UB925Q.
2.3. Factory Set Switch Settings and Jumpers Default Configuration
S1, S2, S3, S4, S5, and JP2 are factory configured as shown in Figure 2 for plug and play operation. For
each of these 3-pin headers JP2, a jumper must be placed as shown.
1) The S1 switch is factory set as shown below.
The PDB switch is set HIGH and will turn on the DS90UB926Q upon power up.
SW2 is a momentary switch. Instead of toggling switch 1 of S1 to do a PDB toggle, press SW2 to do a
PDB toggle.