Smart LTE Module Series
SC66 Hardware Design
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3.16. SPI Interface
SC66 provides one SPI interface which only supports master mode.
Table 23: Pin Definition of SPI Interface
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
The resolution of the ADC is up to 15 bits.
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
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
1.8V.
ADC1
153
AI
Universal ADC
interface
The maximum input voltage is
1.8V.
