Usb Type-C Interface - Quectel SA800U-WF EVB User Manual

4.7.1. USB Type-C Interface

USB type-C interface has a set of HS interfaces compatible with USB 2.0, namely USB_ DP、USB_ DM,
and two sets of SS interfaces supporting USB 3.1, namely USB_ SS1 and USB_ SS2.
When Type-C is plugged in right-side up, USB_CC1 will detect the external device, and the data will be
transmitted through USB_SS1; when it is plugged in upside down, USB_CC2 will detect the external
device, and the data will be transmitted through USB_SS2.
USB1_SS_TX0_P
USB1_SS_TX0_M
USB_VBUS
USB_CC1
USB_DP_TYPEC
USB_DM_TYPEC
USB_SBU1
USB1_SS_RX1_M
100 nF
C4
100 nF
C5
USB1_SS_RX1_P
VDC_3V3
SBU_SW_SEL
USB_SBU1
USB_SBU2
SA800U-WF_EVB_User_Guide
A1
C1 100 nF
GND
A2
TX1+
C2 100 nF
A3
TX1-
C3 1 uF A4
VBUS1
A5
CC1
A6
D1+
A7
D1-
A8
SBU1
A9
VBUS2
A10
RX2-
A11
RX2+
A12
GND
U0703
VCC
S
D+
D-
GND
1 μF
C9
USB2.0 Analog Switch
Figure 26: Reference Design for USB Type-C Interface
J0701
B1
GND
C5
B2
TX2+
C6
B3
TX2-
B4
VBUS3
B5
CC2
B6
D2+
B7
D2-
B8
SBU2
B9
VBUS4
B10
RX1-
B11
RX1+
B12
GND
VREG_L24A_3V075
R2
100 K
OE
C10
HSD2+
C11
HSD2-
HSD1+
HSD1-
R3
100K
Smart Module Series
100 nF
USB1_SS_TX1_P
100 nF
USB1_SS_TX1_M
USB_VBUS
USB_CC2
USB_DP_TYPEC
USB_DM_TYPEC
USB_SBU2
USB1_SS_RX0_M
C7 100 nF
100 nF
C8
USB1_SS_RX0_P
VREG_S4A_1V8
R1
2.2 K
SBU_SW_OE
EDP_AUX_N
0.1 μF
EDP_AUX_P
0.1 μF
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