Specifications

Smart Machine Smart Decision
SIM5800_Hardware Design_V1.01 16 2018-10-08
CAM_I2C_SDA
84
I/O
Dedicated Camera I2C data
Sensors interface
SENSOR_I2C_SCL
91
O
Sensors I2C clock
Open drain output
VIO18_PMU
SENSOR_I2C_SDA
92
I/O
Sensors I2C data
ADC interface
ADC
128
I
ADC
BAT_ID
134
I
Battery Temperature detection(need 47K
NTC inside the Battery)
Please connect to GND via 47k, when no
NTC inside the battery)
Audio interface
MIC1P
4
I
Microphone input 1, positive
MIC1N
5
P
Microphone input 1, negative
EAR_MICP
6
I
Microphone input positive headset
GND_ EARMICN
7
P
Microphone input negative headset (GND)
REC_P
8
O
Earpiece output, positive
REC_N
9
O
Earpiece output, negative
SPK_P
10
O
Speaker driver output, positive
SPK_N
11
O
Speaker driver output, negative
HPH_R
136
O
Headset output,right channel
HPH_L
138
O
Headset output, left channel
HS_DET
139
I
Headset detection
VIO18_PMU
MIC_BIAS0
175
O
Microphone bias1
For MIC1/MIC2
MIC_BIAS1
176
O
Microphone bias2
For EAR_MIC
MIC2N
177
I
Microphone input 2, negative
MIC2P
178
P
Microphone input 2, positive
RF Antenna
ANT_MAIN
87
I/O
2G/3G Main Antenna
ANT_GNSS
121
I
GNSS Antenna
ANT-WIFI/BT
77
I/O
WIFI/BT Antenna