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FIBOCOM MC610 Series Hardware Guide
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Pin Pin Name
I/O
Voltage
Domain
Reset
Value
Description
size.Imax=54mA
99
HEADMIC_P
I
-
-
Earphone MIC input positive
100 HEADMIC_N
I
-
-
Earphone MIC input negative
101 KEY_IN4
I
1.8V
-
Key pad input 4
KEYIN cannot be used alone. Keep it floating
if not used.
102 GND
G
-
-
Ground
103 SPI_MOSI
I
1.8V
-
SPI_MOSI
Multiplexing function SPI_MOSI/GPIO
Keep it floating if not used.
104 SPI_CLK
O
1.8V
-
SPI_CLK
Multiplexing function SPI_CLK/GPIO
Keep it floating if not used.
105 SPI_MISO
O
1.8V
-
SPI_MISO
Multiplexing function SPI_MISO/GPIO
Keep it floating if not used.
106 SPI_CS
I
1.8V
SPI_CS
Multiplexing function SPI_CS_N/GPIO
Keep it floating if not used.
107 GND
G
-
-
Ground
108 ADC2
I
-
-
Analog-to-digital converter interface 2
1k in series when in use
109 GND
G
-
-
Ground
110 GPIO
I/O 1.8V
L
GPIO12
Support function JTAG_TDO/SD2_D3
111 ADC3
I
-
-
Analog-to-digital converter interface 3