Altera SDI II MegaCore User Manual
Page 81

Signal
Width Direction
Description
xcvr_refclk_alt
1
Input
Alternative clock input for the hard transceiver. The frequency of
this signal must be the alternate frequency value of the
xcvr_
refclk
signal.
• HD-SDI = 74.25 MHz or 74.175 MHz
• 3G-SDI = 148.5 MHz or 148.35 MHz
• HD-SDI Dual Link: 74.25 MHz or 74.175 MHz
• Dual Standard: 148.5 MHz or 148.35 MHz
• Triple Standard: 148.5 MHz or 148.35 MHz
Applicable only when you enable the Tx PLL Dynamic
Switching option.
Note: Not applicable for Arria 10 devices.
xcvr_refclk_sel
1
Input
TX PLL select signal for the transceiver reset controller.
• 0 = Lock TX PLL using TX PLL0
• 1 = Lock TX PLL using TX PLL1
Applicable only when you enable the TX PLL Dynamic
Switching option.
Note: Not applicable for Arria 10 devices.
rx_trs_loose_
lock_in
1
Input
Indicates that the receiver protocol block detects a single and
valid TRS locking signal. This signal must be driven by
rx_trs_
loose_lock_out
of the receiver protocol block.
Note: Not applicable for Arria 10 devices.
rx_trs_loose_
lock_in_b
1
Input
Indicates that the receiver protocol block for link B detects a
single and valid TRS locking signal. This signal must be driven by
rx_trs_loose_lock_out_b
of the receiver protocol block.
Applicable for HD-SDI dual link receiver transceiver configura‐
tion only.
Note: Not applicable for Arria 10 devices.
sdi_rx
1
Input
Serial input signal for the hard transceiver.
Note: Not applicable for Arria 10 devices.
sdi_rx_b
1
Input
Serial input signal for the hard transceiver (link B). Applicable
for HD-SDI dual link configuration only.
Note: Not applicable for Arria 10 devices.
UG-01125
2015.05.04
SDI II IP Core Signals
4-39
SDI II IP Core Functional Description
Altera Corporation