Cambricon®
Copyright © 2020 Cambricon Corporation
9
SERDES_4Tp/n [15:0]
O
CCLINK4[15:0] transmit signal
/
SERDES_4Rp/n [15:0]
I
CCLINK4[15:0] receiving signal
/
SERDES_5Tp/n [7:0]
O
CCLINK5[7:0] transmit signal
/
SERDES_5Rp/n [7:0]
I
CCLINK5[7:0] receiving signal
/
SERDES_6Tp/n [15:0]
O
CCLINK6[15:0] transmit signal
/
SERDES_6Rp/n [15:0]
I
CCLINK6[15:0] receiving signal
/
SERDES_7Tp/n [15:8]
O
CCLINK7[15:8] transmit signal
/
SERDES_7Rp/n [15:8]
I
CCLINK7[15:8] receiving signal
/
AUX_156M_REFCLKp/n
I
CClink 156.25MHz reference clock
/
PWRRDT#[1:0]
I
TDP power setting pin, 3.3V pull-up is
provided by the baseboard.
11
：
L0 level, normal TDP power
consumption 350 W default.
10
：
L0 level,TDP power consumption
reduced to 300 W.
01:L2 level,TDP power consumption
reduced to 250 W.
00:L3 level,TDP power consumption
reduced to 200 W.
3.3V
THERMTRIP#
O
MLU290-M5 over-temperature alarm,
which will trigger MLU290-M5
automatically shut down, please check the
chassis fault (such as fan fault) and then
restart the device, low level effective
3.3V
LINK_CONFIG[4:0]
I
Serdes link configuration topology,
MLU290-M5 internal default 10 K pull-up
3.3V
PE_BIF[1:0]
O
Indication of PCIE interface bit width :
MLU290-M5 default 00
00-1 x16( default)
01-2 x8
00-4 x4
00- Reserved
3.3V or
1.8V
PLINK_CAP
O
Support of PCIE port protocol : MLU290-
M5 default 0
0= Only support PCIE protocol(default)
1= Support other protocols, reserved
3.3V or
1.8V
PRSNT1#
O
MLU290-M5 fastener connector 1 in
position, MLU290-M5 default 1K
Ω
pull-
down resistor . Recommend 10K
Ω
pull-up
resistor on baseboard.
3.3V or
1.8V
SCALE_DEBUG_EN
O
Undefined functions
3.3V
DEBUG_PORT_PRSNT#
I
Baseboard debug port in position
indication signal. NC is acceptable.
1.8V
RFU
/
Reserved pin
