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Zynq Ult MPSoC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.7.2
PL Interfaces
The interfaces which are supported in Board to Board Connector1 from Zynq Ult MPSoC’s P
L is explained in
the following section.
2.7.2.1
GTH High Speed Transceivers
The Zynq Ult MPSoC supports 16 GTH transceivers through Four transceiver Quad (Bank 223, 224, 225 &
226) with line rate from 500Mbps to 16.375Gbps based on the speed grade of the MPSoC. These transceivers can be
used to interface to multiple high-speed interface protocols. Each GTH transceiver quad supports two dedicated
reference clock input pairs.
Zynq Ult MPSoC
Speed Grade
GTH Transceiver line rate
(min)
GTH Transceiver line rate
(max)
-1 Speed Grade
0.5 Gbps
12.5 Gbps
-2 Speed Grade
0.5 Gbps
16.375 Gbps
-3 Speed Grade
0.5 Gbps
16.375 Gbps
The Zynq Ult MPSoC SOM Supports 12 GTH transceivers along with the reference clock inputs (Bank 223,
224 & 225) on Board to Board Conenctor1 and 4 GTH transceivers along with reference clock inputs (Bank 226) on
Board to Board Connector2.
In Zynq Ult MPSoC SOM, On board reference clock to the GTH transceiver quad is not supported. This must
be fed from the carrier board based on the peripheral standards used on GTH transceivers. This gives full flexibility to
end user to select the required peripheral standards on GTH transceivers. Also On board termination and AC
coupling capacitor are not supported on transceiver lines and has to be taken care in the carrier board if required.
Note: In ZU7CG/7EG/7EV MPSoC devices, the transceiver Quad Bank223, 224, 225 & 226 is called as Bank224, 225
226 & 227 respectively. Only the Bank Numbering is different and all other functionalities remain same.
For more details on GTH transceiver pinouts on Board to Board Connector1, refer the below table.
B2B-1
Pin No
B2B Connector1
Pin Name
SoC Ball Name/
Pin Number
Signal Type/
Termination
Description
Bank223 Transceiver Quad Pins
3
GTHTXP0_223
MGTHTXP0_223/
W4
O, DIFF
GTH Bank223 channel0 High speed
differential transmitter positive.
5
GTHTXN0_223
MGTHTXN0_223/
W3
O, DIFF
GTH Bank223 channel0 High speed
differential transmitter negative.
21
GTHRXN0_223
MGTHRXN0_223/
V1
I, DIFF
GTH Bank223 channel0 High speed
differential receiver negative.