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Smart Module Series
SA800U-WF Hardware Design
SA800U-WF_Hardware_Design 51 / 106
The reference design of DisplayPort is shown below:
USB1_HS_DP
Module
USB1_ SS1_RX_P
RX2+
RX2 -
USB_VBUS
CC1
D+
D-
TX2-
TX2+
CC2
USB_CC1
USB_CC2
RX1+
RX1-
TX1+
TX1-
USB Type-C
C1
C2
C7
C8
USB1_HS_DM
USB_VBUS
USB1_ SS1_RX_M
USB1_ SS1_TX_P
USB1_ SS1_TX_M
USB1_ SS2_RX_P
USB1_ SS2_RX_M
USB1_ SS2_TX_P
USB1_
_TX_M
SS2
SBU1
SBU2
OE
HSD2+
HSD2-
HSD1+
HSD1-
VCC
S
D+
D-
GND
LDO24A_3V075
EDP_AUX_P
EDP_AUX_N
LDO24A_3V075
100K
100K
SBU_SW_OE
VREG_S4A_1V8
0.1
μF
0.1
μF
Module
1
μF
SBU1
SBU2
2.2K
SGM7227YMS10G/TR
SBU_SW_SEL
C3
C4
C5
C6
C1
C2
R1
R1
R3
C3
Figure 15: DisplayPort Reference Design
3.9.2. USB2 Interface
USB2 only supports host mode. The following table shows the pin definition of USB2 interface.
Table 10: Pin Definition of USB2
Pin Name
Pin No.
I/O
Description
Comment
USB2_DP
J2-105
AIO
USB2 2.0 differential data (+)
90
Ω differential impedance.
USB 2.0 standard compliant.
Only support host mode.
USB2_DM
J2-107
AIO
USB2 2.0 differential data (-)
USB2_SS_TX_M
J2-108
AO
USB2 3.1 channel 1
super-speed transmit (-)
90
Ω differential impedance.
USB 3.1 standard compliant.
Only support host mode.
USB2_SS_TX_P
J2-106
AO
USB2 3.1 channel 1
super-speed transmit (+)