Altera ALTDQ_DQS2 Manual do Utilizador Página 26

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ALTDQ_DQS2 Data Strobe Ports
Table 6: ALTDQ_DQS2 Data Strobe Ports
Port Name Type Width Description
capture_strobe_ena
Input 1 Controls the DQS enable control
block by acting as the gating
signal for signals coming from
the input registers (capture_
strobe_in) to reach the DQS
delay chain block.
This port is only supported in
Stratix V devices.
capture_strobe_n_in
Input 1 Receives the negative polarity
clock signal from the external
device. For example, a DQSn
signal from the external
memory. This port is available
when the capture strobe type is
set to differential or complemen‐
tary.
This port is supported in Arria
V, Cyclone V, and Stratix V
devices.
capture_strobe_in
Input 1 Receives the clock signal from
the external device, for example,
a DQS signal from the external
memory.
This port is supported in Arria
V, Cyclone V, and Stratix V
devices.
capture_strobe_out
Output 1 Sends the delayed clock signal to
the core. For example, a delayed
DQS signal from the DQS delay
chain.
This port is supported in Arria
V, Cyclone V, and Stratix V
devices.
26
ALTDQ_DQS2 Data Strobe Ports
UG-01089
2014.12.17
Altera Corporation
ALTDQ_DQS2 IP Core User Guide
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