Altera Stratix GX Transceiver Manual de usuario Pagina 98

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4–16 Altera Corporation
Stratix GX Transceiver User Guide January 2005
SONET Mode Clocking
Figure 4–13. altgxb in SONET Mode With rx_coreclk & tx_coreclk Enabled
For reference, the various input and output clock ports are listed in
Table 4–2.
Table 4–2. List of Clocking Input & Output Ports Available in SONET Mode
(Part 1 of 2)
Clock Port Description
rx_cruclk
Input Input to CRU available as
a port when CRU is not
trained by the transmitter
PLL.
inclk
Input Input to the transmitter
PLL, available as a port
when the transmitter PLL
is instantiated.
coreclk_out
Output Output clock from the
transmitter PLL
equivalent to
TX_PLL_CLK. Available
as a port if the transmitter
PLL is used.
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