Product Info

Smart LTE Module Series
SC66 Hardware Design
SC66_Hardware_Design 40 / 139
GPIO_77 240 IO GPIO 1.8V power domain.
GPIO_12 228 IO GPIO 1.8V power domain.
GPIO_13 227 IO GPIO 1.8V power domain.
GPIO_14 230 IO GPIO 1.8V power domain.
GPIO_15 229 IO GPIO 1.8V power domain.
GPIO_61 234 IO GPIO 1.8V power domain.
GPIO_03B 11 IO GPIO 1.8V power domain.
GPIO_08B 13 IO GPIO 1.8V power domain.
GPIO_04B 14 IO GPIO 1.8V power domain.
GPIO_05B 15 IO GPIO 1.8V power domain.
GPIO_11A 211 IO GPIO 1.8V power domain.
GPIO_13A 233 IO GPIO 1.8V power domain.
GRFC Interfaces
Pin Name Pin No. I/O Description
DC
Characteristics
Comment
GRFC_19 242 IO
GRFCDedicated
GPIO
Only for RF debug.
It should not be pulled
up.
Cannot be multiplexed
into general-purpose
GPIOs.
GRFC_18 241 IO
SPI Interface
Pin Name
Pin
No.
I/O Description
DC
Characteristics
Comment
SPI3_CS 201 DO Chip selection signal
1.8V power domain.
Only support master
mode.
SPI3_CLK 200 DO Clock signal
SPI3_MOSI 248 DO Master out slave in
SPI3_MISO 247 DI Master in salve out
I2S Interfaces
Formatted:
Centered, Position: Horizontal:
Right, Relative to: Column, Vertical: 0.04",
Relative to: Paragraph, Horizontal: 0.13",
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