5: Carrier Board
Snapdragon 845 HDK Hardware Development Kit User Guide
32
Description
Signal
Pin NO
Description
Signal
Pin NO
Analog
earpiece
amplifier out,
positive
differential
output
CDC_EAR_P
J1602[9]
Analog
earpiece
amplifier out,
negative
differential
output
CDC_EAR_M
J1602[10]
GND
GND
J1602[11]
3.8V output
power supply
VPH_PWR
J1602[12]
Digital sound
wire data for
WSA8810/
WSA8815
smart speaker
amplifier
CDC_SWR_
C LK
J1602[13]
Digital sound
wire data for
WSA8810/
WSA8815
smart speaker
amplifier
CDC_SWR_D
ATA
J1602[14]
Speaker
amplifier
enable 1
WSA_EN
J1602[15]
Speaker
amplifier
enable 2
SPKR_AMP_E
N2
J1602[16]
1.8V output
power supply
VREG_S4A_
1 P8
J1602[17]
12V output
power supply
DC_IN_12V
J1602[18]
5.0V output
power supply
MB_VREG_5
P 0
J1602[19]
GND
GND
J1602[20]
USB TYPE A Connector J1101
Figure 5-11 J1101 USB2.0 Type A Connector
The on-board USB type A connector supports 2x USB 2.0 host interface.