Data Sheet
LC840PA
Datasheet
https://www.lairdconnect.com
15
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Pin
#
Pin Name
Default Function
Alternate
Function
In/
Out
Pull
Up/
Down
nRF52840
QFN Pin
nRF52840
QFN Name
Comment
51
SIO_46
SIO_46
-
IN
PULL-
UP
B15
P1.14
-
52
GND
-
-
-
-
-
-
-
53
SIO_47
SIO_47
-
IN
PULL-
UP
A14
P1.15
-
54
SIO_44
SIO_44
-
IN
PULL-
UP
B17
P1.12
Laird Devkit: SPI
EEPROM.
SPI_Eeprom_CS, Input
55
GND
-
-
-
-
-
-
-
56
SIO_45
SIO_45
-
IN
PULL-
UP
A16
P1.13
-
57
NFC2/
SIO_10
NFC2
SIO_10
IN
-
J24
PO.10/NFC2
-
58
GND
-
-
-
-
-
-
-
59
NFC1/
SIO_09
NFC1
SIO_09
IN
-
L24
PO.09/NFC1
-
60
SIO_43
SIO_43
-
IN
PULL-
UP
B19
P1.11
-
61
SIO_37
SIO_37
-
IN
PULL-
UP
T23
P1.05
-
62
SIO_42
SIO_42
-
IN
PULL-
UP
A20
P1.10
-
63
SIO_38
N/C
-
IN
PULL-
UP
R24
P1.06
Reserved for future use. Do
not connect.
64
SIO_39
SIO_39
-
IN
PULL-
UP
P23
P1.07
-
65
GND
-
-
-
-
-
-
-
66
GND
-
-
-
-
-
-
-
67
GND
-
-
-
-
-
-
-
68
GND
-
-
-
-
-
-
-
69
GND
-
-
-
-
-
-
-
70
GND
-
-
-
-
-
-
-
71
GND
-
-
-
-
-
-
-
72
GND
-
-
-
-
-
-
Added GND in the
LC840PA
73
GND
-
-
-
-
-
-
Added GND in the
LC840PA
74
GND
-
-
-
-
-
-
Added GND in the
LC840PA
75
GND
-
-
-
-
-
-
Added GND in the
LC840PA