Quectel SC66 Hardware Design page 40

ADC0 151 AI
ADC1 153 AI
Antenna Interfaces
Pin
Pin Name I/O
No.
AI/
ANT_MAIN 19
AO
ANT_DRX 149 AI
ANT_GNSS 134 AI
AI/
ANT_WIFI/BT 129
AO
ANT_WIFI_ AI/
324
MIMO AO
FM_ANT 244 AI
GPIO Interfaces
Pin
Pin Name I/O
No.
GPIO_21 231 IO
GPIO_34 236 IO
GPIO_40 238 IO
GPIO_41 237 IO
GPIO_55 178 IO
GPIO_56 177 IO
GPIO_72 239 IO
GPIO_73 59 IO
GPIO_74 58 IO
GPIO_76 232 IO
SC66_Hardware_Design
General purpose ADC
interface
General purpose ADC
interface
DC
Description
Characteristics
Main antenna interface
Diversity antenna
interface
GNSS antenna
interface
Wi-Fi/BT antenna
interface
Wi-Fi MIMO antenna
interface
FM antenna interface
DC
Description
Characteristics
GPIO
GPIO
GPIO
GPIO
V max=0.63V
IL
GPIO
V min=1.17V
IH
V max=0.45V
OL
GPIO
V min=1.35V
OH
GPIO
GPIO
GPIO
GPIO
Smart LTE Module Series
SC66 Hardware Design
Max input voltage:
1.8V.
Max input voltage:
1.8V.
Comment
50Ω impedance.
50Ω impedance;
SC66-CE and SC66-W
do not support this
function.
FM function is still
under development.
Comment
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
1.8V power domain.
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