Table: PS-GTR Transceiver Quad Pin Descriptions and This Figure detail the PCB guidelines for PS-GTR transceiver interfaces.
Table 4-1: PS-GTR Transceiver Quad Pin Descriptions
Pins
|
Direction
|
Descriptions
|
PS_MGTREFCLK[3:0]P PS_MGTREFCLK[3:0]N
|
In (Pad)
|
Differential clock input pin pair for the reference clock of the PS-GTR transceiver.
|
PS_MGTRRXP[3:0] PS_MGTRRXN[3:0]
|
In (Pad)
|
RXP and RXN are the differential input pairs for each of the PS-GTR receivers.
|
PS_MGTRTXP[3:0] PS_MGTRTXN[3:0]
|
Out (Pad)
|
TXP and TXN are the differential output pairs for each of the PS-GTR transmitters.
|
PS_MGTRREF
|
In (Pad)
|
Calibration input pin for the termination resistor calibration circuit.
|
PS_MGTRAVCC
|
In (Pad)
|
MGTRAVCC is the receiver, transmitter, and clock core power supply. The nominal voltage 0.85 VDC.
|
PS_MGTRAVTT
|
In (Pad)
|
MGTRAVTT is the I/O supply for the transmitter and receiver. The nominal voltage is 1.8 VDC.
|
Figure 4-1: PS-GTR External Power Supply and Calibration Resistor Connections
X-Ref Target - Figure 4-1
|
Note relevant to This Figure:
•The voltage values are nominal. See the Zynq UltraScale+ MPSoC Data Sheet: DC and AC Switching Characteristics (DS925) [Ref 22] for values and tolerances.