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EFERENCE SOURCE NOT
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P5186 U
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ANUAL
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Error! Reference source not found.
Pin number
Signal name
I/O
I/O type
Description
Comment
24 GND
Ground
25 MIC_P
I
Analog Main
microphone
positive input
26 GND
Ground
27 MIC_AUX_P
I Analog Auxiliary
microphone
positive input
28 GND
Ground
29 MIC_AUX_N
I Analog Auxiliary
microphone
negative input
30 GND
Ground
31 VIBRATOR
O
Analog Vibrator
output
Iout=80 mA max.
Vout=2.8 V max.
32 GND
Ground
Iout=2 mA max.
Vout=2.5 V max.
33 BAT_RTC
I/O
Supply
RTC
back-up
supply
34 GND
Ground
35 LED_OUT
O
Open
drain
output
External LED driving and
battery charging indicator
36 GND
Ground
37
V-USB
O
Supply
3V3 USB power supply in
38 GND
Ground
39 USB-P
I/O
Differential
USB
positive
line
40 GND
Ground
41
USB-N
I/O
Differential
USB negative line
42 GND
Ground
43
DTR1
I
CMOS 2V8
Serial link UART1
Data Terminal Ready
Multiplexed with
SPI2_DATA and
GPIO14
44 GND
Ground
45
CTS1
O
2V8
Serial link UART1
Clear To Send
Multiplexed with
GPO2
46 GND
Ground
47
DSR1
O
2V8
Serial link UART1
Data Set ready
Multiplexed with
SPI2_CLK and GPO4
48 GND
Ground
49
TXD1
I
CMOS 2V8
Serial link UART1
transmit data
Multiplexed with
GPIO13
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