PCI Express Interface
The following table lists the PCI Express pins description. For further details, please refer to PCI Express Interface.
PCI Express x16 Pin Description
|
Pin #
|
Signal Name
|
Description
|
Pin #
|
Signal Name
|
Description
|
|---|---|---|---|---|---|
|
A1
|
PRSNT1#
|
Mechanical Present
|
B1
|
12V
|
|
|
A2 |
12V |
|
B2 |
12V |
|
|
A3 |
12V |
|
B3 |
12V |
|
|
A4 |
GND |
|
B4 |
GND |
|
|
A5 |
TCK |
JTAG - Not Connected |
B5 |
SMCLK |
Host SMBus |
|
A6 |
TDI |
JTAG - Not Connected |
B6 |
SMDAT |
Host SMBus |
|
A7 |
TDO |
JTAG - Not Connected |
B7 |
GND |
|
|
A8 |
TMS |
JTAG - Not Connected |
B8 |
3.3V |
3.3V |
|
A9 |
3.3V |
3.3V |
B9 |
TRST# |
JTAG - Not Connected |
|
A10 |
3.3V |
3.3V |
B10 |
3.3V_AUX |
|
|
A11 |
PERST# |
PCIe Reset |
B11 |
WAKW#/RSVD |
|
|
A12 |
GND |
|
B12 |
RSVD |
|
|
A13 |
REFCLK+ |
Host Reference Clock |
B13 |
GND |
|
|
A14 |
REFCLK- |
Host Reference Clock |
B14 |
PETP0 |
|
|
A15 |
GND |
|
B15 |
PETN0 |
|
|
A16 |
PERP0 |
|
B16 |
GND |
|
|
A17 |
PERN0 |
|
B17 |
RSVD |
|
|
A18 |
GND |
|
B18 |
GND |
|
|
A19 |
RSVD |
|
B19 |
PETP1 |
|
|
A20 |
GND |
|
B20 |
PETN1 |
|
|
A21 |
PERP1 |
|
B21 |
GND |
|
|
A22 |
PERN1 |
|
B22 |
GND |
|
|
A23 |
GND |
|
B23 |
PETP2 |
|
|
A24 |
GND |
|
B24 |
PETN2 |
|
|
A25 |
PERP2 |
|
B25 |
GND |
|
|
A26 |
PERN2 |
|
B26 |
GND |
|
|
A27 |
GND |
|
B27 |
PETP3 |
|
|
A28 |
GND |
|
B28 |
PETN3 |
|
|
A29 |
PERP3 |
|
B29 |
GND |
|
|
A30 |
PERN3 |
|
B30 |
RSVD |
|
|
A31 |
GND |
|
B31 |
RSVD |
|
|
A32 |
RSVD |
|
B32 |
GND |
|
|
A33 |
RSVD |
|
B33 |
PETP4 |
|
|
A34 |
GND |
|
B34 |
PETN4 |
|
|
A35 |
PERP4 |
|
B35 |
GND |
|
|
A36 |
PERN4 |
|
B36 |
GND |
|
|
A37 |
GND |
|
B37 |
PETP5 |
|
|
A38 |
GND |
|
B38 |
PETN5 |
|
|
A39 |
PERP5 |
|
B39 |
GND |
|
|
A40 |
PERN5 |
|
B40 |
GND |
|
|
A41 |
GND |
|
B41 |
PETP6 |
|
|
A42 |
GND |
|
B42 |
PETN6 |
|
|
A43 |
PERP6 |
|
B43 |
GND |
|
|
A44 |
PERN6 |
|
B44 |
GND |
|
|
A45 |
GND |
|
B45 |
PETP7 |
|
|
A46 |
GND |
|
B46 |
PETN7 |
|
|
A47 |
PERP7 |
|
B47 |
GND |
|
|
A48 |
PERN7 |
|
B48 |
RSVD |
|
|
A49 |
GND |
|
B49 |
GND |
|
|
A50 |
RSVD |
|
B50 |
PETP8 |
|
|
A51 |
GND |
|
B51 |
PETN8 |
|
|
A52 |
PERP8 |
|
B52 |
GND |
|
|
A53 |
PERN8 |
|
B53 |
GND |
|
|
A54 |
GND |
|
B54 |
PETP9 |
|
|
A55 |
GND |
|
B55 |
PETN9 |
|
|
A56 |
PERP9 |
|
B56 |
GND |
|
|
A57 |
PERN9 |
|
B57 |
GND |
|
|
A58 |
GND |
|
B58 |
PETP10 |
|
|
A59 |
GND |
|
B59 |
PETN10 |
|
|
A60 |
PERP10 |
|
B60 |
GND |
|
|
A61 |
PERN10 |
|
B61 |
GND |
|
|
A62 |
GND |
|
B62 |
PETP11 |
|
|
A63 |
GND |
|
B63 |
PETN11 |
|
|
A64 |
PERP11 |
|
B64 |
GND |
|
|
A65 |
PERN11 |
|
B65 |
GND |
|
|
A66 |
GND |
|
B66 |
PETP12 |
|
|
A67 |
GND |
|
B67 |
PETN12 |
|
|
A68 |
PERP12 |
|
B68 |
GND |
|
|
A69 |
PERN12 |
|
B69 |
GND |
|
|
A70 |
GND |
|
B70 |
PETP13 |
|
|
A71 |
GND |
|
B71 |
PETN13 |
|
|
A72 |
PERP13 |
|
B72 |
GND |
|
|
A73 |
PERN13 |
|
B73 |
GND |
|
|
A74 |
GND |
|
B74 |
PETP14 |
|
|
A75 |
GND |
|
B75 |
PETN14 |
|
|
A76 |
PERP14 |
|
B76 |
GND |
|
|
A77 |
PERN14 |
|
B77 |
GND |
|
|
A78 |
GND |
|
B78 |
PETP15 |
|
|
A79 |
GND |
|
B79 |
PETN15 |
|
|
A80 |
PERP15 |
|
B80 |
GND |
|
|
A81 |
PERN15 |
|
B81 |
PRSNT2# |
Mechanical Present |
|
A82 |
GND |
|
B82 |
GND |
|
External Power Supply Connector
The following table provides the External Power Supply pins of the external power supply interfaces on the DPU. For further details, please refer to External PCIe Power Supply Connector.
The mechanical pinout of the 12-pin external +12V power connector is shown below. The +12V connector is a 12VHPWR (CEM5) connector.
|
Pin Number |
Description |
|---|---|
|
1 |
12V |
|
2 |
12V |
|
3 |
12V |
|
4 |
12V |
|
5 |
12V |
|
6 |
12V |
|
7 |
GND |
|
8 |
GND |
|
9 |
GND |
|
10 |
GND |
|
11 |
GND |
|
12 |
GND |
Sideband Management Interface
|
Pin# |
Pin Name |
Description |
BlueField-4 Platform |
|---|---|---|---|
|
1 |
GND |
|
GND |
|
2 |
RBT_RDX0 |
Receive data.
|
N/A |
|
3 |
RBT_RDX1 |
RBT_RDX1 |
|
|
4 |
RBT_CRS_DV |
Carrier sense/receive data valid |
RBT_CRS_DV |
|
5 |
GND |
|
GND |
|
6 |
RBT_TX0 |
Transmit data.
|
N/A |
|
7 |
RBT_TX1 |
N/A |
|
|
8 |
RBT_TX_EN |
Transmit enable |
N/A |
|
9 |
RBT_REF_CLK |
RBT Reference clock |
N/A |
|
10 |
GND |
|
GND |
|
11 |
ARB_OUT |
NC-SI hardware arbitration output |
N/A |
|
12 |
ARB_IN |
NC-SI hardware arbitration input |
N/A |
|
13 |
GND |
|
GND |
|
14 |
I2C_CLK0 |
I2C clock (Debug) |
I2C_CLK0 |
|
15 |
I2C_SDA0 |
I2C Data (Debug) |
I2C_SDA0 |
|
16 |
PKG_ID0 |
NC-SI PKG_ID [0] |
N/A |
|
17 |
PKG_ID1 |
NC-SI PKG_ID [1] |
N/A |
|
18 |
RBT_ISOLATE_N |
Signal used to indicate
|
N/A |
|
19 |
FNP |
CX Flash NOT present |
FNP |
|
20 |
enable_inband_recovery |
PCIe operatiin live fish mode |
enable_inband_recovery |
|
21 |
PPS IN |
PPS input for timing applications |
N/A |
|
22 |
PPS OUT |
PPS output for timing applications |
N/A |
|
23 |
RSVD3 |
Reserved |
USB_MUX_SEL
|
|
24 |
RSVD4 |
Reserved |
GND |
|
25 |
RSVD5 |
Reserved |
N/A |
|
26 |
RSVD6 |
Reserved |
N/A |
|
27 |
RSVD7 |
Reserved |
GND |
|
28 |
RSVD8 |
Reserved |
USB_BMC_P
|
|
29 |
RSVD9 |
Reserved |
USB_BMC_N
|
|
30 |
RSVD10 |
Reserved |
GND |
MCIO Interface
|
AIC as End Point (Default) - 148pin MCIO
|
|||
|---|---|---|---|
|
GND |
A1 |
B1 |
GND |
|
PERp0 |
A2 |
B2 |
PETp0 |
|
PERn0 |
A3 |
B3 |
PETn0 |
|
GND |
A4 |
B4 |
GND |
|
PERp1 |
A5 |
B5 |
PETp1 |
|
PERn1 |
A6 |
B6 |
PETn1 |
|
GND |
A7 |
B7 |
GND |
|
3V3_AUX |
A8 |
B8 |
SNN |
|
SNN |
A9 |
B9 |
SNN |
|
GND |
A10 |
B10 |
GND |
|
UPHY0_REFCLK1_P |
A11 |
B11 |
PERST1_UPHY0 |
|
UPHY0_REFCLK1_N |
A12 |
B12 |
CBL_PRES_A |
|
GND |
A13 |
B13 |
GND |
|
PERp2 |
A14 |
B14 |
PETp2 |
|
PERn2 |
A15 |
B15 |
PETn2 |
|
GND |
A16 |
B16 |
GND |
|
PERp3 |
A17 |
B17 |
PETp3 |
|
PERn3 |
A18 |
B18 |
PETn3 |
|
GND |
A19 |
B19 |
GND |
|
PERp4 |
A20 |
B20 |
PETp4 |
|
PERn4 |
A21 |
B21 |
PETn4 |
|
GND |
A22 |
B22 |
GND |
|
PERp5 |
A23 |
B23 |
PETp5 |
|
PERn5 |
A24 |
B24 |
PETn5 |
|
GND |
A25 |
B25 |
GND |
|
SNN |
A26 |
B26 |
SNN |
|
SNN |
A27 |
B27 |
SNN |
|
GND |
A28 |
B28 |
GND |
|
UPHY0_REFCLK0_P |
A29 |
B29 |
PERST0_UPHY0 |
|
UPHY0_REFCLK0_N |
A30 |
B30 |
SNN |
|
GND |
A31 |
B31 |
GND |
|
PERp6 |
A32 |
B32 |
PETp6 |
|
PERn6 |
A33 |
B33 |
PETn6 |
|
GND |
A34 |
B34 |
GND |
|
PERp7 |
A35 |
B35 |
PETp7 |
|
PERn7 |
A36 |
B36 |
PETn7 |
|
GND |
A37 |
B37 |
GND |
|
Key |
|||
|
GND |
A38 |
B38 |
GND |
|
PERp8 |
A39 |
B39 |
PETp8 |
|
PERn8 |
A40 |
B40 |
PETn8 |
|
GND |
A41 |
B41 |
GND |
|
PERp9 |
A42 |
B42 |
PETp9 |
|
PERn9 |
A43 |
B43 |
PETn9 |
|
GND |
A44 |
B44 |
GND |
|
3V3_AUX |
A45 |
B45 |
SNN |
|
SNN |
A46 |
B46 |
SNN |
|
GND |
A47 |
B47 |
GND |
|
UPHY2_REFCLK0_P |
A48 |
B48 |
PERST0_UPHY2 |
|
UPHY2_REFCLK0_N |
A49 |
B49 |
CBL_PRES_B |
|
GND |
A50 |
B50 |
GND |
|
PERp10 |
A51 |
B51 |
PETp10 |
|
PERn10 |
A52 |
B52 |
PETn10 |
|
GND |
A53 |
B53 |
GND |
|
PERp11 |
A54 |
B54 |
PETp11 |
|
PERn11 |
A55 |
B55 |
PETn11 |
|
GND |
A56 |
B56 |
GND |
|
PERp12 |
A57 |
B57 |
PETp12 |
|
PERn12 |
A58 |
B58 |
PETn12 |
|
GND |
A59 |
B59 |
GND |
|
PERp13 |
A60 |
B60 |
PETp13 |
|
PERn13 |
A61 |
B61 |
PETn13 |
|
GND |
A62 |
B62 |
GND |
|
SNN |
A63 |
B63 |
SNN |
|
SNN |
A64 |
B64 |
SNN |
|
GND |
A65 |
B65 |
GND |
|
UPHY2_REFCLK1_P |
A66 |
B66 |
PERST1_UPHY2 |
|
UPHY2_REFCLK1_N |
A67 |
B67 |
SNN |
|
GND |
A68 |
B68 |
GND |
|
PERp14 |
A69 |
B69 |
PETp14 |
|
PERn14 |
A70 |
B70 |
PETn14 |
|
GND |
A71 |
B71 |
GND |
|
PERp15 |
A72 |
B72 |
PETp15 |
|
PERn15 |
A73 |
B73 |
PETn15 |
|
GND |
A74 |
B74 |
GND |
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