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FIBOCOM MC610 Series Hardware Guide
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Pin Pin Name
I/O
Voltage
Domain
Reset
Value
Description
Vnorm=5.0V
32
GND
G
-
-
Ground
33
HP_R
O
-
-
Earphone right channel signal output
34
HP_L
O
-
-
Earphone left channel signal output
35
SPK_P
O
-
-
Loudspeaker positive output
36
SPK_N
O
-
-
Loudspeaker negative output
37
EMERG_RST
I
VBAT
-
Module reset signal, low level valid
38
LPG
O
1.8V
L
Module state representation
39
U2RXD
I
1.8V
-
Data receiving of module serial port 2
Multiplexing function KEY_IN1/U2RXD
40
U2TXD
O
1.8V
Data receiving of module serial port 2
Multiplexing function KEY_IN2/U2TXD
41
WAKEUP_IN
I
1.8V
L
External device wakeup function
Multiplexing function FLSIO2/GPIO4/PWL*
42
GND
G
-
-
Ground
43
GND
G
-
-
Ground
44
GND
G
-
-
Ground
45
GND
G
-
-
Ground
46
GND
G
-
-
Ground
47
GND
G
-
-
Ground
48
GND
G
-
-
Ground
49
GND
G
-
-
Ground
50
GND
G
-
-
Ground
51
GND
G
-
-
Ground
52
I2C_SDA0
I/O 1.8V
-
I2C interface data signal
Multiplexing function I2C_SDA0/GPIO17