Product Specs

Table Of Contents
4 Pin assignments
Page
14
Pin
Name
Type
Description
10
P0.08
Digital I/O
General purpose I/O
11
NFC1
NFC input
NFC antenna connection
P0.09
Digital I/O
General purpose I/O
1
12
NFC2
NFC input
NFC antenna connection
P0.10
Digital I/O
General purpose I/O
1
Bottom side of chip
13
VDD
Power
Power supply
14
P0.11
Digital I/O
General purpose I/O
15
P0.12
Digital I/O
General purpose I/O
16
P0.13
Digital I/O
General purpose I/O
17
P0.14
Digital I/O
General purpose I/O
TRACEDATA[3]
Trace port output
18
P0.15
Digital I/O
General purpose I/O
TRACEDATA[2]
Trace port output
19
P0.16
Digital I/O
General purpose I/O
TRACEDATA[1]
Trace port output
20
P0.17
Digital I/O
General purpose I/O
21
P0.18
Digital I/O
General purpose I/O
TRACEDATA[0] / SWO
Single wire output
Trace port output
22
P0.19
Digital I/O
General purpose I/O
23
P0.20
Digital I/O
General purpose I/O
TRACECLK
Trace port clock output
24
P0.21
Digital I/O
General purpose I/O
nRESET
Configurable as pin reset
Right Side of chip
25
SWDCLK
Digital input
Serial wire debug clock input for debug
and programming
26
SWDIO
Digital I/O
Serial wire debug I/O for debug and
programming
27
P0.22
Digital I/O
General purpose I/O
2
28
P0.23
Digital I/O
General purpose I/O
2
29
P0.24
Digital I/O
General purpose I/O
2
30
ANT
RF
Single-ended radio antenna connection
31
VSS
Power
Ground (Radio supply)
32
DEC2
Power
1.3 V regulator supply decoupling (Radio
supply)
33
DEC3
Power
Power supply decoupling
34
XC1
Analog input
Connection for 32 MHz crystal
35
XC2
Analog input
Connection for 32 MHz crystal
36
VDD
Power
Power supply
Top side of chip
37
P0.25
Digital I/O
General purpose I/O
2
38
P0.26
Digital I/O
General purpose I/O
2
39
P0.27
Digital I/O
General purpose I/O
2
40
P0.28
Digital I/O
General purpose I/O
2
AIN4
Analog input
SAADC/COMP/LPCOMP input
41
P0.29
Digital I/O
General purpose I/O
2
AIN5
Analog input
SAADC/COMP/LPCOMP input
42
P0.30
Digital I/O
General purpose I/O
2
AIN6
Analog input
SAADC/COMP/LPCOMP input
43
P0.31
Digital I/O
General purpose I/O pin
2
AIN7
Analog input
SAADC/COMP/LPCOMP input