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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
P91
GND
GND
NA
Power
Ground.
P92
/
DP
HDMI_TX2_P
HDMI_TX2_P/
BE23
O, Diff
HDMI Transceiver 2 Positive
P93
HDMI_D2- /
DP1_LANE0-
HDMI_TX2_M
HDMI_TX2_M/
BF22
O, Diff
HDMI Transceiver 2 Negative
P94
GND
GND
NA
Power
Ground.
P95
/
DP
HDMI_TX1_P
HDMI_TX1_P/
BH22
O, Diff
HDMI Transceiver 1 Positive
P96
HDMI_D1- /
DP1_LANE1-
HDMI_TX1_M
HDMI_TX1_M/
BG23
O, Diff
HDMI Transceiver 1 Negative
P97
GND
GND
NA
Power
Ground.
P98
/
DP
HDMI_TX0_P
HDMI_TX0_P/
BJ23
O, Diff
HDMI Transceiver 0 Positive
P99
HDMI_D0- /
DP1_LANE2-
HDMI_TX0_M
HDMI_TX0_M/
BH24
O, Diff
HDMI Transceiver 0 Negative
P100 GND
GND
NA
Power
Ground.
P101
/
DP
HDMI_TCLK_P
HDMI_TCLK_P/
BH20
O, Diff
HDMI Transceiver CLK
Positive
P102
HDMI_CK- /
DP1_LANE3-
HDMI_TCLK_M
HDMI_TCLK_M/
BG21
O, Diff
HDMI Transceiver CLK
Negative
P103 GND
GND
NA
Power
Ground.
P104
HDMI_HPD /
DP1_HPD
HDMI_HOT_PLU
G_DET(GPIO_34
)
GPIO_34/
BG45
I, 1.8V CMOS
HDMI Hot Plug Detect
P105
HDMI_CTRL_CK /
HDMI_DDC_CLK
(GPIO_32)
GPIO_32/
BH44
O, 1.8V CMOS HDMI I2C Clock
P106
HDMI_CTRL_DAT /
DP1_AUX-
HDMI_DDC_DA
TA(GPIO_33)
GPIO_33/
BH42
IO, 1.8V CMOS HDMI I2C DATA
P107 DP1_AUX_SEL
NC
NA
NA
NA
P108
GPIO0 /
CAM0_PWR#
SMARC_GPIO_0
(GPIO_73)
GPIO_73/
E9
IO, 1.8V CMOS
SMARC General Purpose
Input/output 0
P109
GPIO1 /
CAM1_PWR#
SMARC_GPIO_1
(GPIO_89)
GPIO_89/
T6
IO, 1.8V CMOS
SMARC General Purpose
Input/output 1
P110 GPIO2 / CAM0_RST#
SMARC_GPIO_2
(GPIO_97)
GPIO_97/
AR49
IO, 1.8V CMOS
SMARC General Purpose
Input/output 2
P111 GPIO3 / CAM1_RST#
SMARC_GPIO_3
(GPIO_98)
GPIO_98/
AP48
IO, 1.8V CMOS
SMARC General Purpose
Input/output 3
P112 GPIO4 / HDA_RST#
SMARC_GPIO_4
(GPIO_100)
GPIO_100/
AP46
IO, 1.8V CMOS
SMARC General Purpose
Input/output 4
P113 GPIO5 / PWM_OUT
SMARC_GPIO_5
(PM_GPIO4)
NA
IO, 1.8V CMOS
SMARC General Purpose
Input/output 5
Note: Connected to PMIC