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SNLU135B – June 2013 – Revised April 2016
Copyright © 2013–2016, Texas Instruments Incorporated
Additional Features
Chapter 4
SNLU135B – June 2013 – Revised April 2016
Additional Features
4.1
Eye Monitor – CMLOUTP/N
Figure 4-1. Top View of CML Access Points on Deserializer Board
Connector J3 connects CMLOUTP (or TEST+) and J4 connects to CMLOUTN (or TEST-), which are
present on left hand side of DS90UB914A-CXEVM board. CMLOUTP/N must be enabled by register,
0x3F[4] = 0, to be able to monitor the FPD-Link III serial stream.
4.2
Differential Operation Over a Pair of Coax Cables
For differential operation,
1. On DS90UB913A-CXEVM board, change C19 to 0.1 µF, remove R80 and mount J3.
2. On DS90UB914A-CXEVM board, change C7 to 0.1 µF, remove R74 and mount J2.