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Smart Module Series
SA800U-WF Hardware Design
SA800U-WF_Hardware_Design 49 / 106
The following is a reference design for USB Type-C interface:
USB1_HS_DM
Module
USB_SS1_RX_P
RX2+
RX2-
VBUS
CC1
D-
D+
TX2-
TX2+
CC2
USB_CC1
USB_CC2
RX1+
RX1-
TX1+
TX1-
USB Type-C
C3
C4
C7
C8
USB1_HS_DP
USB_VBUS
USB_SS1_RX_M
USB_SS1_TX_P
USB_SS1_TX_M
USB_SS2_RX_P
USB_SS2_RX_M
USB_SS2_TX_P
USB_
_TX_M
SS2
C1
C2
C5
C6
Figure 13: USB Type-C Interface Reference Design
SA800U-WF can support E-mark cable and active cable.
Table 8: Pin Definition of VCONN Circuit
USB1_SS2_TX_M
J2-111
AO
USB1 3.1 channel 2
super-speed transmit (-)
USB1_SS2_TX_P
J2-113
AO
USB1 3.1 channel 2
super-speed transmit (+)
USB1_SS2_RX_M
J2-114
AI
USB1 3.1 channel 2
super-speed receive (-)
USB1_SS2_RX_P
J2-112
AI
USB1 3.1 channel 2
super-speed receive (+)
USB_CC1
J2-141
AI
USB Type-C configuration
channel 1
USB_CC2
J2-139
AI
USB Type-C configuration
channel 2
Pin Name
Pin No.
I/O
Description
VCONN
J3-29
PI
Power supply for active cables
VCONN_EN
J3-30
DO
VCONN enable
SMB_USB_IN
J3-2, J3-3, J3-4, J3-5,
J3-6, J3-7
PO
Power output for SMB1355 parallel
charging