MeiG_SLM550_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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119
GPIO15
GPIO15
B-PD:nppukp
Configurable I/O, SPI MOSI
120
GND
GND
GND
121
RF_GPS
AI
RF signal for GPS ANT
122
GND
GND
GND
123
PM_GPIO4
PM_GPI
O4*
B-PD:nppukp
Only Configurable Out
124
GPIO114
GPIO114 B-PD:nppukp
Configurable I/O
125
NC
126
VCOIN
AI,AO
Coin-cell battery or backup battery
127
CHARGE_SEL
GPIO113
AI
Charger select
128
ADC
AO-Z,AI,DO
Configurable MPP,PWM,ADC
129
VREG_L20_2P85
PO
PMIC output 2.8V for LCD,CAM
130
GND
GND
GND
131
RF_DIV
AI
RF signal for diversity ANT
132
PACK_VSNS_M
GND
GND
133
VBAT_SNS_P
AI
battery voltage input to ADC
134
BATT_THERM
AI
Battery temperature input to ADC
135
GND
GND
GND
136
CDC_HPH_R
AO
Headphone output, right channel
137
CDC_HPH_REF
AI
Headphone ground reference
138
CDC_HPH_L
AO
Headphone output, left channel
139
CDC_HSDET_L
AI
MBHC mechanical
insertion/removal-detection
140
GND
GND
GND
141
VBUS
PI,PO
USB Voltage
142
VBUS
PI,PO
USB Voltage
143
GND
GND
GND