Nvidia BlueField-2 InfiniBand - Page 86

NVIDIA BlueField-2 InfiniBand/Ethernet DPU User Guide 85
Pin
#
Pinout I/O
Description /
Comments
1 NCSI_REF_CLK Input
50MHz REF CLK for NC-
SI BUS
2 GND GND Ground
3 NCSI_ARB_IN Input
NC-SI hardware
arbitration input
4
PACK_ID0, connected to BlueField-2 device
pin NIC_GPIO[49]
Input
See the note above
table
5 NCSI_ARB_OUT Output
NC-SI hardware
arbitration output
6
PACK_ID1, connected to BlueField-2 device
pin NIC_GPIO[47]
Input
See the note above
table
7 NCSI_RX_D0 Output Receive Data Out 0
8 GND GND Ground
9 NCSI_RX_D1 Output Receive Data Out 1
10 GND GND Ground
11 NCSI_CRS_DV Output
Carrier Sense / Receive
Data Valid
12 GND GND Ground
13 NCSI_TX_D0 Input Transmit Data In 0
14 GND GND Ground
15 NCSI_TX_D1 Input Transmit Data In 0
16 GND GND Ground
17 NCSI_TX_EN Input Transmit Enable
18 GND GND Ground
19 Reserved
20 Reserved
21 BMC_I2C2_SDA
Input/Ou
tput
Open-drain signal