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Cambricon®
Copyright © 2020 Cambricon Corporation
7
4.
Electrical specifications
4.1
Connector pin description
MLU290-M5 Intelligent Accelerating Card using two 688-pin Molex Mirror Mezz snap connectors.The
design impedance of the connector is 90
Ω±
5%, which can be compatible with both 85
Ω
and 100
Ω
protocols. The signal and power are connected to the main board through this connector, and the
connector pin area is divided as follows:
1Figure 4.1 Connector pin area division
The connector pins are shown in the following table:
1Table 4.1 MLU290-M5 connector arrangement of pin 0
Signal
Direction of
signal
Signal description
Voltage
PWR_54V
I
MLU290-M5 power input pin which support
40V-60V power supply
40V-60V
PVREF[1:0]
O
MLU290-M5 JTAG interface, I/O signal and
voltage indication signal ,1.8 V.
1.8V
PETp/n [15:0]
O
PCIE signal sending. MLU290-M5 send,
baseboard receive.Make sure that AC
/