REL0.1
Page 30 of 52
Snapdragon 820 SMARC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Pin
No.
SMARC Edge
Connector Pin Name
Signal Name
CPU Ball Name/
Pin Number
Signal Type/
Termination
Description
S8
MIPI_CSI0_DCLK
_P
MIPI_CSI0_DCLK_P
I, DIFF
MIPI CSI0 differential Clock
positive
S9
CSI0_CK-
MIPI_CSI0_DCLK
_M
MIPI_CSI0_DCLK_M
I, DIFF
MIPI CSI0 differential Clock
negative
S10
GND
GND
NA
Power
Ground.
S11
C
MIPI_CSI0_DLN
0_P
MIPI_CSI0_DLN0_P
I, DIFF
MIPI CSI0 differential data
lane 0 positive
S12
CSI0_RX0-
MIPI_CSI0_DLN
0_M
MIPI_CSI0_DLN0_
M
I, DIFF
MIPI CSI0 differential data
lane 0 negative
S13
GND
GND
NA
Power
Ground.
S14
C
MIPI_CSI0_DLN
1_P
MIPI_CSI0_DLN1_P
I, DIFF
MIPI CSI0 differential data
lane 1 positive
S15
CSI0_RX1-
MIPI_CSI0_DLN
1_M
MIPI_CSI0_DLN1_
M
I, DIFF
MIPI CSI0 differential data
lane 1 negative
S16
GND
GND
NA
Power
Ground.
S17
GB
NC
NA
NA
NA
S18
GBE1_MDI0-
NC
NA
NA
NA
S19
GBE1_LINK100#
NC
NA
NA
NA
S20
GB
NC
NA
NA
NA
S21
GBE1_MDI1-
NC
NA
NA
NA
S22
GBE1_LINK1000#
NC
NA
NA
NA
S23
GB
NC
NA
NA
NA
S24
GBE1_MDI2-
NC
NA
NA
NA
S25
GND
GND
NA
Power
Ground.
S26
GB
NC
NA
NA
NA
S27
GBE1_MDI3-
NC
NA
NA
NA
S28
GBE1_CTREF
NC
NA
NA
NA
S29
PC
NC
NA
NA
NA
S30
PCIE_D_TX-
NC
NA
NA
NA
S31
GBE1_LINK_ACT#
NC
NA
NA
NA
S32
PC
NC
NA
NA
NA
S33
PCIE_D_RX-
NC
NA
NA
NA
S34
GND
GND
NA
Power
Ground.
S35
USB4+
USB_HUB4OUT_
DP
NA
IO, DIFF
USB Port4 Data Positive
Note: Connected to USB Hub
S36
USB4-
USB_HUB4OUT_
DM
NA
IO, DIFF
USB Port4 Data Negative
Note: Connected to USB Hub
S37
USB3_VBUS_DET
NC
NA
NA
NA
S38
AUDIO_MCK
MI2S_2_MCLK(
GPIO_79)
GPIO_79/
E11
O, 1.8V CMOS Master Clock for Audio codec
S39
I2S0_LRCK
MI2S_2_WS(GPI
O_81)
GPIO_81/
D8
O, 1.8V CMOS I2S Channel0 Left Right Clock