Quectel SG368Z Series Hardware Design page 21

HPH_R
HPH_GND
SPK_P
SPK_M
MIC_P
MIC_M
VCC_SPK_HP
USB Interfaces
Pin Name
HOST_PWR_EN
USB0_VBUS
USB0_ID
USB0_DP
USB0_DM
USB0_SS_TX_P
USB0_SS_TX_M
USB0_SS_RX_P
USB0_SS_RX_M
USB1_DP
SG368Z_Series_Hardware_Design
Headphone right
102 AO
channel output
Headphone
101 AI
reference ground
Loudspeaker output
104 AO
(+)
Loudspeaker output
103 AO
(-)
98 AI Microphone input (+)
97 AI Microphone input (-)
Analog audio power
176 PI
supply
Pin No. I/O Description
Host USB VBUS
85 DO
power enable
USB0 insertion
111 DI
detection
118 DI USB0 ID detect
USB0 2.0 differential
112 AIO
data (+)
USB0 2.0 differential
113 AIO
data (-)
USB0 3.0 transmit
107 AO
(+)
USB0 3.0 transmit
108 AO
(-)
109 AI USB0 3.0 receive (+)
110 AI USB0 3.0 receive (-)
USB1 2.0 differential
79 AIO
data (+)
Smart Module Series
If unused, connect
this pin to ground.
If the analog audio
function is not
Vmax = 5.5 V
used, this pin
Vmin = 2.7 V
needs to be
Vnom = 5 V
connected to
VBAT.
DC
Comment
Characteristics
PMUIO1
Can not supply
power for
V max = 2.7 V
IH
peripherals.
V min = 3.3 V
IH
A test point must
be reserved.
Internally pull up
V max = 0.3 V
IL
to 1.8 V.
A test point must
be reserved.
A test point must
be reserved.
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