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Zynq Ult MPSoC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.7.1
PS Interfaces
The interfaces which are supported in Board to Board Connector1 from Zynq Ult
MPSoC’s PS is explained in
the following section.
2.7.1.1
PS-GTR Transceivers
The Zynq Ult MPSoC supports four Multi-Gigabit PS-GTR transceivers with data rate from 1.25Gbps to
6.0Gbps. This PS-GTR transceiver lanes provide I/O path for MPSoC MAC controllers and their link partner outside. At
any given time, these four lanes can be used for any of below mentioned peripheral standards.
•
x1, x2, or x4 lane of PCIe at Gen1 (2.5Gb/s) or Gen2 (5.0Gb/s) rates
•
1 or 2 lanes of DisplayPort (TX only) at 1.62Gb/s, 2.7Gb/s, or 5.4Gb/s
•
1 or 2 SATA channels at 1.5Gb/s, 3.0Gb/s, or 6.0Gb/s
•
1 or 2 USB3.0 channels at 5.0Gb/s
•
1-4 Ethernet SGMII channels at 1.25Gb/s
The available peripheral standard option for each PS-GTR transceiver lane in Zynq Ult MPSoC is shown
below. This is user programmable via the high-speed I/O multiplexer (HS-MIO) of MPSoC.
PS Peripheral
Interface
Lane0
Lane1
Lane2
Lane3
PCIe (x1, x2 or x4)
PCIe0
PCIe1
PCIe2
PCIe3
SATA (1 or 2 channels)
SATA0
SATA1
SATA0
SATA1
DisplayPort (TX only)
DP1
DP0
DP1
DP0
USB0
USB0
USB0
USB0
-
USB1
-
-
-
USB1
SGMII0
SGMII0
-
-
-
SGMII1
-
SGMII1
-
-
SGMII2
-
-
SGMII2
-
SGMII3
-
-
-
SGMII3
The Zynq Ult MPSoC SOM supports two PS GTR transceivers (Lane0 & Lane1) on Board to Board Connector1
and another two PS GTR transceivers (Lane2 & Lane3) on Board to Board Connector2. Each PS GTR transceiver lane
supports one dedicated reference clock input pair with the ability to share reference clocks between lanes.
In Zynq Ult MPSoC SOM, the end user is responsible for sourcing the reference clocks to the PS-GTR lanes
through Board to Board Connectors. This gives full flexibility to end user to select the required peripheral standards
on PS-GTR lanes.