Arria 10 SoC Development Kit User Guide

ID 683227
Date 8/09/2018
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5.9.11.2. LMK04828 Controller

The TI interface uses the USB interface to access the LMK04828 clock cleaner. The LMK04828 controller passes the FT245RQ signals to the SPI interface of LMK04828 clock cleaner chip.

Figure 30. LMK04828 Controller

J33 is used to select reference clock sources.

Table 43.  J33 Reference Clock sources
Description Clock source of Clock Cleaner
OPEN VCXO
SHORT EXT_CLOCK

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