Product Manual

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 90Ω±5%, which can be compatible with both 85Ω and 100Ω
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
/