Product Manual

Cambricon®
Copyright © 2020 Cambricon Corporation
8
coupling capacitor is placed near the fastener
connector of the baseboard. The
recommended capacitance value is 220 nF
PERp/n [15:0] I
PCIE signal receiving. MLU290-M5 receive,
baseboard send. Make sure that AC coupling
capacitor is placed near the sending chip or
fastener connector of the baseboard. The
recommended capacitance value is 220 nF
/
PE_REFCLKp/n I PCIE 100MHz reference clock /
PERST# I MLU290-M5 reset signal, low level effective 3.3V
HOST_PWRGD
I
Baseboard power good indication signal
3.3V
MODULE_PWRGD O MLU290-M5 power good indication signal 3.3V
PWRBRK# I
Power brake, reduce to 1/4 of current power
consumption, low level effective
3.3V
MODULE_ID[4:0] I
MLU290-M5 slot ID. MLU290-M5 internal
default 10KΩ pull-up resistor
3.3V
I2C_SLV_D I/O
I2C data signal, MLU290-M5 works in slave
mode
3.3V
I2C_SLV_CLK I
I2C clock signal, MLU290-M5 working in
slave mode
3.3V
I2C_SLV_ALERT# O
I2C alarm signal, MLU290-M5 works in slave
mode
3.3V
UART_TXD O MLU290-M5 MCU UART serial port output 3.3V
UART_RXD I MLU290-M5 MCU UART serial port input 3.3V
JTAG0_TRST I MLU290-M5 JTAG0 TRST reset signal 1.8V
JTAG0_TMS I
MLU290-M5 JTAG0 TMS mode selection
signal
1.8V
JTAG0_TCK I MLU290-M5 JTAG0 TCK clock signal 1.8V
JTAG0_TDO O MLU290-M5 JTAG0 TDO data output signal 1.8V
JTAG0_TDI I MLU290-M5 JTAG0 TDI data input signal 1.8V
PRSNT0# O
MLU290-M5 fastener connector 0 in position
signal, MLU290-M5 default 1KΩ pull-down
resistor. Recommend 10KΩ pull-up resistor
on baseboard.
1.8V or
3.3V
MANF_MODE# I Undefined functions 3.3V
FW_RECOVERY# I Undefined functions 3.3V
TEST_MODE# I
Test mode. NC is acceptable
1.8V or
3.3V
RFU / Reserved pin /
2Table 4.2 MLU290-M5 connector arrangement of pin 1
Signal
Direction of
signal
Signal description
Voltage
voltage