Product Specs

Table Of Contents
4 Pin assignments
Page
16
Ball
Name
Description
B4
P0.27
Digital I/O
General purpose I/O
3
B5
P0.31
AIN7
Digital I/O
Analog input
General purpose I/O
3
SAADC/COMP/LPCOMP input
B6
DCC
Power
DC/DC converter output
B7
DEC1
Power
0.9 V regulator digital supply decoupling
C2
DEC3
Power
Power supply decoupling
C3
NC
N/A
Not connected
C4
VSS
Power
Ground
C5
VSS
Power
Ground
C6
P0.02
Digital I/O
General purpose I/O
AIN0
Analog input
SAADC/COMP/LPCOMP input
C7
P0.01
Digital I/O
General purpose I/O
XL2
Analog input
Connection for 32.768 kHz crystal (LFXO)
D1
ANT
RF
Single-ended radio antenna connection
D2
VSS_PA
Power
Ground (Radio supply)
D3
P0.26
Digital I/O
General purpose I/O
3
D6
P0.03
Digital I/O
General purpose I/O
AIN1
Analog input
SAADC/COMP/LPCOMP input
D7
P0.00
Digital I/O
General purpose I/O
XL1
Analog input
Connection for 32.768 kHz crystal (LFXO)
E1
P0.24
Digital I/O
General purpose I/O
3
E2
P0.23
Digital I/O
General purpose I/O
3
E3
VSS
Power
Ground
E6
P0.04
Digital I/O
General purpose I/O
AIN2
Analog input
SAADC/COMP/LPCOMP input
E7
P0.05
Digital I/O
General purpose I/O
AIN3
Analog input
SAADC/COMP/LPCOMP input
F1
SWDCLK
Digital input
Serial wire debug clock input for debug
and programming
F2
P0.22
Digital I/O
General purpose I/O
3
F3
P0.19
Digital I/O
General purpose I/O
F4
P0.11
Digital I/O
General purpose I/O
F5
VSS
Power
Ground
F6
P0.07
Digital I/O
General purpose I/O
F7
P0.06
Digital I/O
General purpose I/O
G1
SWDIO
Digital I/O
Serial wire debug I/O for debug and
programming
G2
P0.20
Digital I/O
General purpose I/O
TRACECLK
Trace port clock output
G3
P0.17
Digital I/O
General purpose I/O
G4
P0.13
Digital I/O
General purpose I/O
G5
NFC2
NFC input
NFC antenna connection
P0.10
Digital I/O
General purpose I/O
4
G6
NFC1
NFC input
NFC antenna connection
P0.09
Digital I/O
General purpose I/O
4
G7
P0.08
Digital I/O
General purpose I/O
H1
P0.21
Digital I/O
General purpose I/O
nRESET
Configurable as pin reset
H2
P0.18
Digital I/O
General purpose I/O
TRACEDATA[0]
Trace port output
H3
P0.16
Digital I/O
General purpose I/O
TRACEDATA[1]
Trace port output
H4
P0.15
Digital I/O
General purpose I/O