UM-B-114
DA14531 Development Kit Pro Hardware User Manual
User Manual
Revision 1.4
23-Apr-2020
11 of 82
© 2021 Dialog Semiconductor
4
Getting to Know DA14531 DK PRO
4.1
DA14531 PRO-DB
The system on DA14531 PRO-DB consists of the DA14531 SoC, crystals, power section, and radio
section. The system block diagram and the actual components location are presented in
and
U1
DA14531
BUCK
BOOST
Bypass
32M
J3
SMA
U2
LDO
1.1V
R
-M
u
lt
ip
le
xe
r
P
w
r
Sw
32K
rst
SW1
Y2
Y1
V3
J2
ANT1
V1
LPF
UART
JTAG
P2_x, P3_0,1
spi
VBAT_Hi
VBAT_Lo
J1
-m
a
tin
g
c
o
n
n
e
c
to
r
o
n
P
C
B
R33
2
.2
u
H
10u
2.2u
For DA145xxDEVKT-P
PRO-MB, set SW1 on
BUCK position
Not Mounted
Figure 3: System Block Diagram of DA14531 PRO-DB
ANT1
PCB ANTENNA
R-Multiplexer
J4
Debug
U1
QFN24
Y2
Y1
32MHz
L1, 2.2
μH
CLC
Matching
J3
SMA
J2
– Power
Measurements
SW1
U2
LDO
1.1V
J1
– Mating Connector
Figure 4: DA14531-00FXDB-P, FCGQFN24 PRO-DB_[376-04-F]