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Chapter 7: GTP Receiver (RX)
RX Polarity Control
Overview
The GTP receiver can invert incoming data using the RX polarity control function. This
function is useful in designs where the RXP and RXN signals can be accidentally connected
in reverse. The RXPOLARITY port is driven High to invert the polarity of incoming data.
Ports and Attributes
Table 7-17
Table 7-17: RX Polarity Ports
There are no attributes in this section.
Description
The RX Polarity port is used to invert the polarity of incoming data. Driving this port High
causes the RXN pin to be treated as RXP and the RXP pin to be treated as RXN.
146
defines the RX polarity ports.
Port
Dir
Clock Domain
RXPOLARITY0
In
RXPOLARITY1
www.xilinx.com
The RX Polarity port is used to invert the polarity
of incoming data.
RXUSRCLK2
1: Invert polarity
0: Regular polarity
Virtex-5 RocketIO GTP Transceiver User Guide
Description
UG196 (v1.3) May 25, 2007
R
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