Product Info

Smart LTE Module Series
SC66 Hardware Design
SC66_Hardware_Design 56 / 118
Figure 13: Display Port interfaces
3.9.3. Host
SC66 supports two groups of USB, and USB1 is part of TYPE-C compatibility, USB2 is a separate part
that supports only the Host mode.
Table 15: USB2 configuration
USB2 realizes the reference circuit of Host mode:
USB2_DP
USB2_DM
Module
DP
DM
VBUS
ID
GND
100nF
4.7uF
VBUS
AW3605DNR
SW
VIN
EN
VOUT
VOUT
NC
GPIO_15
`
1UH
VPH_PWR
22uF
22uF
220uF
VBUS
GND
Figure 14: USB2 Host
3.10. UART Interfaces
The module provides the following four UART interfaces:
 UART6: 4-wire UART interface, hardware flow control supported
 DEBUG UART: 2-wire UART interface, used for debugging by default
 UART1: 2-wire UART interface
 LPI_ UART _2: low power UART interface
Pin Name
Pin No.
Comment
USB2_HS_DM
25
USB Differential Signal (minus)
USB2_HS_DP
26
USB Differential Signal (positive)