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
54
BOOT
I
CMOS 1V8
Enable for flash
downloading
Multiplexed with
GPIO2
55 GND
Ground
56
GPIO1
I/O
CMOS/1V8
General Purpose I/O
57 GND
Ground
58
CHG_IN
I
Supply
Current source input for
battery charging
1 A max.
59 GND
Ground
60
CHG_IN
I
Supply
Current source input for
battery charging
1 A max.
61 GND
Ground
62
SIM_CLK
O
1V8 or 3V
SIM card clock
63 GND
Ground
64
SIM_RST
O
1V8 or 3V
SIM card reset
65 GND
Ground
66
SIM_VCC
O
1V8 or 3V
SIM card Power supply
67 GND
Ground
68
GPIO3
I/O
CMOS/1V8
General Purpose I/O
Multiplexed with
SIM_PRES and
RTS2
69 GND
Ground
70 SIM_IO
(SIM_DATA)
I/O CMOS / 1V8 or
3V
SIM card data
71 ROW0
I/O
CMOS Keyboard
row0
72 COL4
I/O
CMOS
Keyboard
column4
73 ROW2
I/O
CMOS Keyboard
row2
74 COL2
I/O
CMOS
Keyboard
column2
75 ROW3
I/O
CMOS Keyboard
row3
76 ROW4
I/O
CMOS Keyboard
row4
77 COL0
I/O
CMOS
Keyboard
column0
78 ROW1
I/O
CMOS Keyboard
row1
79 COL1
I/O
CMOS
Keyboard
column1
80 COL3
I/O
CMOS
Keyboard
column3
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