HDK8450 (SM8450P) Processor User Guide
Main board
80-28453-2 Rev. C Confidential
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MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
Pin#
Signal
Description
Pin#
Signal
Description
J6201[27]
ALSP_INT_N
GPIO89
J6201[28]
PRESS_INT
GPIO90
J6201[29]
MDP_VSYNC_S
GPIO83
J6201[30]
DISP1_RESET_N
GPIO25
J6201[31]
CAM4_RESET_N
GPIO116
J6201[32]
HALL_INT_N
GPIO80
J6201[33]
CAM5_RESET_N
GPIO115
J6201[34]
SAR_INT_N
GPIO91
J6201[35]
VREG_S10B_1P8
1.8V
J6201[36]
DC_IN
12V
J6201[37]
VREG_5P0
5.0V
J6201[38]
DC_IN
12V
J6201[39]
GND
ground
J6201[40]
GND
ground
3.4.16 On-board PCB WLAN antenna
The HDK8450 Development Kit has two on-board PCB antennas on the bottom side of the Main
Board.
■
CH0 is connected to WCN6856 by PCB trace
■
CH1 is connected to WCN6856 via coaxial cable
■
CH1 is also connected to GNSS
■
For better GNSS performance, connect to external antenna via CH1_GNSS test connector
Figure 3-20 On-Board PCB WLAN Antennas
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