Product Info

Smart Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 46 / 134
3.9. USB Interface
SC600Y/SC600T provides one USB 3.0/2.0 compliant integrated Universal Serial Bus (USB) interface,
which supports super speed (5Gbps) on USB 3.0, high speed (480Mbps) on USB 2.0, full speed (12Mbps)
modes as well as USB OTG function. This USB interface is used for AT command communication, data
transmission, software debugging and firmware upgrade.
The following table shows the pin definition of USB interface.
Table 10: Pin Definition of USB Interface
Pin Name Pin No. I/O Description Comment
USB_VBUS 41, 42 PI/PO
Charging power input
Power supply output for OTG device
USB/charger insertion detection
Vmax=10V
Vmin=4.0V
Vnorm=5.0V
USB_DM 33 AI/AO USB 2.0 USB differential data (-)
90Ω differential
impedance.
USB_DP 32 AI/AO USB 2.0 USB differential data (+)
USB_ID 30 AI USB ID detection High level by default.
USB_SS_RX_P 171 AI USB 3.0 differential receive data (+)
90Ω differential
impedance.
USB_SS_RX_M 172 AI USB 3.0 differential receive data (-)
USB_SS_TX_P 174 AO USB 3.0 differential transmit data (+)
USB_SS_TX_M 175 AO USB 3.0 differential transmit data (-)
USBC_CC2 223 AI
USB Type-C control configuration
channel 2
USBC_CC1 224 AI
USB Type-C control configuration
channel 1
USB_SS_SEL 226 DO USB Type-C switch control
USB_OPT 217 Type-C/ Micro USB select control
If Micro USB is
intended to be used,
this pin should be
connected to ground
via a 1KΩ resistor;
If Type-C is intended
to be used, this pin
should be left open.