Quectel SG368Z Series Hardware Design page 20

VCCIO4
VCCIO5
VCCIO6
VCCIO7
VCC_PMUIO2
LDO6_3V3
LDO9_1V8
BUCK5_1V8
VCC_SWOUT1
VRTC*
GND
Analog Audio Interfaces
Pin Name
HPH_L
SG368Z_Series_Hardware_Design
1.8 V output power,
reference voltage for
180 PO
VCCIO4 power
domain
1.8 V output power,
reference voltage for
371 PO
VCCIO5 power
domain
1.8 V output power,
reference voltage for
302 PO
VCCIO6 power
domain
1.8 V output power,
reference voltage for
389 PO
VCCIO7 power
domain
1.8 V output power,
reference voltage for
355 PO PMUIO2 and
PMUIO0 power
domain
3.3 V output power,
reference voltage for
129 PO
PMUIO1 power
domain
1.8 V output power
124 PO
for MIPI LCM VIO
139 PO 1.8 V output power
VBAT output power
134 PO
1
Power supply for
171 PI
RTC
1, 13, 14, 18, 21, 22, 44, 48, 51, 52, 65, 74, 76–78, 93–96, 99, 105, 106, 114–116,
119, 120, 128, 133, 138, 142–146, 149, 154, 158, 162, 166, 167, 184, 186–191,
193–196, 199, 200, 202, 203, 207, 211, 212, 216, 224, 235, 237, 238, 241, 259,
263, 266, 274, 280, 283, 285, 300, 301, 309, 311, 323, 324, 325, 326, 338, 341,
350, 353, 356, 372, 373, 375, 390–453
Pin No. I/O Description
Headphone left
100 AO
channel output
Smart Module Series
Vnom = 1.8 V
Vnom = 1.8 V
Vnom = 1.8 V
Vnom = 1.8 V
Vnom = 1.8 V
Vnom = 3.3 V
Vnom = 1.8 V
Vnom = 1.8 V
Vnom = VBAT
Keep this pin
unconnected.
DC
Comment
Characteristics
19 / 113