Spi Interface; Adc Interfaces - Quectel SC66 Hardware Design

3.16. SPI Interface

SC66 provides one SPI interface which only supports master mode.
Table 23: Pin Definition of SPI Interface
Pin Name Pin No. I/O
SPI3_MOSI 248 DO
SPI3_MISO DI
247
SPI3_CS DO
201
SPI3_CLK 200 DO

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
Pin Name Pin No. I/O
ADC0 151 AI
ADC1 153 AI
The resolution of the ADC is up to 15 bits.
SC66_Hardware_Design
Description
Master out slave in of SPI interface
Master in salve out of SPI interface
Chip selection signal of SPI interface
Clock signal of SPI interface
Description Comment
Universal ADC The maximum input voltage is
interface 1.8V.
Universal ADC The maximum input voltage is
interface 1.8V.
Smart LTE Module Series
SC66 Hardware Design
Comment
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