REL0.1
Page 41 of 52
Snapdragon 820 SMARC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Pin
No
Signal Name
CPU Ball Name/
Pin Number
Signal Type/
Termination
Description
60
SSC_UART_1_RX(SSC_13)
SSC_13/
D38
IO, 1.8V CMOS
Sensor Core UART1 Receiver
61
MIC_BIAS3
NA
NA
NC.
Note: On SOM Audio Codec is not
supported by default
62
SSC_UART_2_RX (SSC_15)
SSC_15/
E37
IO, 1.8V CMOS
Sensor Core UART2 Receiver
63
MIC_BIAS1
NA
NA
NC.
Note: On SOM Audio Codec is not
supported by default
64
SSC_UART_1_TX (SSC_12)
SSC_12/
C39
IO, 1.8V CMOS
Sensor Core UART1 Transmitter
65
MIC_BIAS2
NA
NA
NC.
Note: On SOM Audio Codec is not
supported by default
66
SSC_UART_3_RX (SSC_7)
SSC_7/
C31
IO, 1.8V CMOS
Sensor Core UART3 Receiver
67
MIC_BIAS4
NA
NA
NC.
Note: On SOM Audio Codec is not
supported by default
68
SSC_UART_3_TX (SSC_6)
SSC_6/
E31
IO, 1.8V CMOS
Sensor Core UART3 Transmitter
69
GND
NA
Power
Ground.
70
SSC_I2C_2_SCL(SSC_5)
SSC_5/
D30
O, 1.8V CMOS
Sensor Core I2C2 clock
71
SSC_I2C_3_SCL(SSC_3)
SSC_3/
C37
O, 1.8V CMOS
Sensor Core I2C3 clock
72
SSC_I2C_2_SDA(SSC_4)
SSC_4/
B36
IO, 1.8V CMOS
Sensor Core I2C2 Data
73
SSC_I2C_3_SDA(SSC_2)
SSC_2/
B38
IO, 1.8V CMOS
Sensor Core I2C3 Data
74
BLSP6_I2C_SCL(GPIO_28)
GPIO_28/
B6
O, 1.8V CMOS
BLSP6 I2C2 Clock
75
GPIO_74
GPIO_74/
E7
IO, 1.8V CMOS
General Purpose Input / Output
76
BLSP6_I2C_SDA(GPIO_27)
GPIO_27/
C5
IO, 1.8V CMOS
BLSP6 I2C2 Data
77
GPIO_22
GPIO_22/
J3
IO, 1.8V CMOS
General Purpose Input / Output
78
GND
NA
Power
Ground.
79
GPIO_24
GPIO_24/
M6
IO, 1.8V CMOS
General Purpose Input / Output