Product Info

Smart LTE Module Series
SC66 Hardware Design
SC66_Hardware_Design 66 / 118
3.16. SPI Interfaces
SC66 provides SPI interfaces which only support master mode.
Table 23: Pin Definition of SPI Interfaces
3.17. ADC Interfaces
SC66 provides two analog-to-digital converter (ADC) interfaces, and the pin definition is shown below.
Table 24: Pin Definition of ADC Interfaces
LPI_MI2S_SCLK
212
DO
LPI_I2S serial clock signal
I2S serial clock
LPI_MI2S_WS
156
DO
LPI_I2S word selection
signal
I2S word selection (L/R)
LPI_MI2S_DATA0
154
IO
LPI_I2S Data0 signal
I2S serial data0 channel
LPI_MI2S_DATA1
155
IO
LPI_I2S Data1 signal
I2S serial data1 channel
Pin Name
Pin No.
I/O Description
Comment
SPI3_MOSI
248
DO
Master out slave in of SPI
interface
SPI3_MISO
247
DI
Master in salve out of SPI
interface
SPI3_CS_N
201
DO
Chip selection signal of SPI
interface
SPI3_CLK
200
DO
Clock signal of SPI
interface
Pin Name
Pin No.
I/O Description
Comment
ADC0
151
AI
Universal ADC
interface
The maximum input voltage is
1.7v
ADC1
153
AI
Universal ADC
interface
The maximum input voltage is
1.7v