E
RROR
! R
EFERENCE SOURCE NOT
FOUND
.
P5186 U
SER
M
ANUAL
V 1.0
Error! Reference source not found.
Pin number
Signal name
I/O
I/O type
Description Comment
27 D01
I/O
CMOS/1V8
Data bus 1
28 D00
I/O
CMOS/1V8
Data bus 0
29
LCDEN
O
1V8
LCD Enable
Active high
Multiplexed with GPIO0
30 GND
Ground
31
BOOT
I
CMOS 1V8
Enable for flash
downloading
Active low
Multiplexed with GPIO2
32
/RESET
I/O
Schmitt
P5186 module reset
Active low
33, 34
GND
Ground
35 USB-P
I/O
Differential
USB positive line
36 USB-N
I/O
Differential
USB negative line
37
V-USB
O
Supply
3V3 USB power in
38 GPIO1
I/O
CMOS/1V8
General Purpose I/O
39, 40
GND
Ground
41, 42
CHG_IN
I
Supply
Current source input for
battery charging
High current
(1 A max)
43, 44
GND
Ground
45
SIM_RST
O
1V8 or 3V
SIM card reset
46
SIM_CLK
O
1V8 or 3V
SIM card clock
47 GPIO3
I/O
CMOS/1V8
General purpose I/O
Multiplexed with RTS2
and SIM_PRES
48
SIM_VCC
O
1V8 or 3V
SIM power supply
49 GND
Ground
50 SIM_IO
(SIM_DATA)
I/O CMOS/
1V8 or 3V
SIM card data
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