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FIBOCOM SC138-
NA
Series Hardware Guide
51/88
Pin Name
Pin No.
I/O
Description
Remarks
CAM0_I2C_SCL
84
OD
Camera I2C clock
They are special
for the camera and
cannot be used on
other devices.
CAM0_I2C_SDA
85
OD
Camera I2C data
CAM2_SCL
206
OD
Camera I2C clock
CAM2_SDA
208
OD
Camera I2C data
APPS_I2C_SCL
268
OD
I2C clock
Need be Pulled-up
too, when unused
APPS_I2C_SDA
267
OD
I2C data line
When mounting multiple peripherals on the I2C channel, please ensure the uniqueness of each
peripheral address. When mounting peripherals with high real-time performance requirements, do
not share I2C with other peripherals.
APPS_I2C must be configured Pull-up outside the module, even if the I2C unused
.
3.11
ADC
The SC138 series modules have an ADC interface with a precision of 15 bits. The pin definition is shown
in the following table:
Table 3-14 ADC pin definition
Pin Name Pin No.
I/O
Description
Remarks
ADC
128
AI
ADC detection
Configurable voltage is 0.3
V-VBAT
3.12
I2S Interface
The SC138 series modules have special audio I2S interfaces. Details are as follows:
Note:
