Product Info

Smart LTE Module Series
SC66 Hardware Design
SC66_Hardware_Design 53 / 139
USB1_HS_DP 32 IO
USB 2.0 differential data bus
(+)
USB_SS1_RX_P 171 AI USB 3.1 differential receive (+)
USB_SS1_RX_M 172 AI USB 3.1 differential receive (-)
USB_SS1_TX_P 174 AO
USB 3.1 channel 1 differential
transmit (+)
USB_SS1_TX_M 175 AO
USB 3.1 channel 1 differential
transmit (-)
USB_SS2_RX_M 161 AI
USB 3.1 channel 2 differential
receive (-)
USB_SS2_RX_P 162 AI
USB 3.1 channel 2 differential
receive (+)
USB_SS2_TX_M 164 AO
USB 3.1 channel 2 differential
transmit (-)
USB_SS2_TX_P 165 AO
USB 3.1 channel 2 differential
transmit (+)
UUSB_TYPEC 23 DI
uUSB & USB Type-C configuration
selection pin
When USB Type-C
is used, it should be
connected to
VPH_PWR through
a 10KΩ resistor.
When uUSB is
used, it should be
connected to GND
through a 10KΩ
resistor.
Cannot be
multiplexed into a
general-purpose
GPIO.
USB_CC2 223 AI USB Type-C control detection pin 2
USB_CC1 224 AI USB Type-C control detection pin 1
When Micro USB is
used, it can be used
as USB_ID pin.
SS_DIR_IN 21 DI CC status detection pin
When Type-C is
used, it should be
connected to
SS_DIR_OUT;
When uUSB is
used, it should be
connected to GND.