User's Manual

18-Oct.2022 Ver.0.3
KAGA FEI Co., Ltd.
KAGA FEI Co., Ltd.
4/5
EC2832
Control No.
(1/2)
Control name
Pin Layout
Pin Descriptions
Pin
Pin name
Pin function
Description
1
DCC
Power
DC/DC converter output pin (built-in LC for DC/DC).
2
DEC4
Power
1V3 regulator supply decoupling.
Input from DC/DC converter. Output from 1.3 V LDO.
3
GND
Ground
Ground pin. (0 V)
4
VCC_NRF
Power
Power supply pin.
5
GND
Ground
Ground pin. (0 V)
6
P0.04
AIN2
Digital I/O
Analog input
General purpose I/O pin.
SAADC/COMP/LPCOMP input.
7
P0.05
AIN3
Digital I/O
Analog input
General purpose I/O pin.
SAADC/COMP/LPCOMP input.
8
P0.06
Digital I/O
General purpose I/O pin.
9
P0.07
Digital I/O
General purpose I/O pin.
10
P0.08
Digital I/O
General purpose I/O pin.
11
NFC1
P0.09
NFC input
Digital I/O
NFC antenna connection.
General purpose I/O pin.
12
NFC2
P0.10
NFC input
Digital I/O
NFC antenna connection.
General purpose I/O pin.
13
GND
Ground
Ground pin. (0 V)
14
SWDIO
Digital I/O
Serial Wire Debug I/O for debug and programming
15
SWDCLK
Digital input
Serial Wire Debug clock input for debug and
programming
16
P0.13
Digital I/O
General purpose I/O pin.
17
P0.14
TRACEDATA[3]
Digital I/O
General purpose I/O pin.
Trace port output.
18
P0.17
Digital I/O
General purpose I/O pin
19
P0.18
TRACEDATA[0]
Digital I/O
General purpose I/O pin
Trace port output.
20
P0.21
RESET
Digital I/O
General purpose I/O pin
Configurable as system RESET pin.
(Factory default : GPIO)
21
GND
Ground
Ground pin. (0 V)
22
OUT_MOD
RF In/Out
RF I/O pin. It should be connected to Pin 23 OUT_ANT
for normal operation.