Table of Contents
Advertisement
3.13. I2C Interfaces
The module provides four I2C interfaces. All I2C interfaces are open-drain output with pull-up resistors
inside the module, and the reference power domain is 1.85 V.
Table 18: Pin Definition of I2C Interfaces
Pin Name
TP_I2C_SCL
TP_I2C_SDA
CAM_I2C_SCL
CAM_I2C_SDA
I2C4_SCL
I2C4_SDA
SENSOR_I2C_SCL
SENSOR_I2C_SDA
3.14. SPI Interface
The module provides one SPI interface multiplexed from GPIO interfaces. The SPI interface is only
supported in master mode and can be used for fingerprint recognition.
Table 19: Pin Definition of SPI Interface
Pin Name
Pin No.
GPIO_93
116
GPIO_90
117
GPIO_92
118
GPIO_91
119
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
Pin No.
I/O
47
OD
48
OD
83
OD
84
OD
105
OD
106
OD
91
OD
92
OD
I/O
DO
DO
DI
DO
Description
TP I2C clock
TP I2C data
I2C clock of camera
I2C data of camera
I2C4 clock
I2C4 data
I2C clock for external sensor
I2C data for external sensor
Description
SPI0 clock
SPI0 chip select
SPI0 data input
SPI0 data output
Smart Module Series
Comment
Used for touch panel
Used for camera
Used for external
devices
Used for external
sensor
Comment
Multiplexed into SPI0_CLK
Multiplexed into SPI0_CSN
Multiplexed into SPI0_DI
Multiplexed into SPI0_DO
50 / 111
Advertisement
Table of Contents
