UM-B-114
DA14531 Development Kit Pro Hardware User Manual
User Manual
Revision 1.4
23-Apr-2020
60 of 82
© 2021 Dialog Semiconductor
Appendix C PRO-MB
C.1
Schematic
Figure 60: DA14531 PRO-MB, headers and connectors
T
X
_2
P0_0
V5
P1_0
IN
T
_1
P0_0
P0_6
D7
C
83
10nF
U
C
T
S
M
ISO
SC
L_1
V
D
D
IO
P2_4
P0_3
R
319
33
D4
R
323
33
R
330
33
U
23
74AVC
2T
45GT
_115
1
VC
C
A
GN
D
4
2A
3
DIR
5
8
VC
C
B
1B
7
2B
6
1A
2
SD
A_1
U2
M
X
25R
2035F
Z
U
IL0
CS
1
VC
C
8
SO/
SI
O1
2
R
ST
/SI
O3
7
WP
3
SC
LK
6
GN
D
4
SI
/SI
O0
5
PAD
9
AN
_1
T
X
_2
VBU
S_H
U
B
R
X
_2
R
327
33
R
315
33
5
.0
V
A
R
325
33
J2
PR
PC
02
0D
AA
N-R
C
2
4
6
8
10
12
14
16
18
1
3
5
7
9
11
13
15
17
19
20
22
21
23
24
25
26
27
28
29
30
31
32
33
34
36
35
37
38
39
40
R
X
_1
T
P41
U
SR
LED
P0_3
P0_0
U
_R
T
S
D1
T
P31
URX
P1_0
T
P44
VD
D
IO
D5
R
347
10.
0k
C
116
1.
0nF
P3_0
T
_SW
C
LK
C
_T
R
IG
C
117
100nF
PW
M
_2
SC
L_2
D6
V3
R
ESET
P2_8
P3_5
M
ISO_2
U
C
T
S
R
ST
P3_5
P2_5
U
S
E
R
L
E
D
,
S
O
F
T
W
A
R
E
T
R
IG
G
E
R
SW
3
EVQ-Q2S03W
V5
P3_2
V5
P0_5
J1
0
P2_2
P0_7
FCS
P0_0
R
ESET
BR
ST
n
A3
P1_3
J1
6
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
P2_5
P0_0
SW
D
IO
P0_1
V3
M
OSI
_2
SW
1
EVQ-Q2S03W
P0_10
D5
SD
A_1
R
317
33
R
340
33
1
R
332
33
3
.3
V
R
70
330
SC
K_2
P0_7
R
337
33
C
S_2
R
321
33
R
341
33
SW
_C
LK
C
S_1
SC
K_1
R3
100.
0K
P2_9
C
127
1.
0nF
PWM INT
RX TX
SCL SDA +5V GND
P0_4
P3_2
S
P
I F
L
A
S
H
P0_0
D2
R
35
1.
00K
U
T
X
P0_4
C
S_2
R
X
_2
V3
M
OSI
_1
D
11
P2_3
R
144
0
U3
LSF
0101D
R
Y
R
2
VA
A
3
GN
D
1
EN
6
B
4
5
VB
P1_2
T
P2
R
ESET
PW
M
_1
M
OSI
_2
P0_1
P0_7
R
x
T
x
D8
U
R
T
S
SC
K
R
X
_1
D4
R
335
33
P2_6
R
88
1.
0M
ohm
P0_3
P0_4
J1
2
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
D5
C
123
100nF
SC
L
J1
8
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
V
D
D
IO
R
146
0
M
OSI
A2
M
ISO_2
P0_2
P2_0
P0_3
V3
P0_1
J1
PR
PC
013D
AAN
-R
C
2
4
6
8
10
12
14
16
18
1
3
5
7
9
11
13
15
17
19
20
22
21
23
24
25
26
D2
R
x
T
x
P1_3
V3
V3
D7
V
_
F
L
V1
P3_1
P0_4
P3_3
SW
_C
LK
V
D
D
IO
J1
9
87898-0552
IN
T
_2
T
P22
SW
_C
LK
J
3
B
PC
IE_64
B1
B1
B2
B2
B3
B3
B4
B4
B5
B5
B6
B6
B7
B7
B8
B8
B9
B9
B10
B10
B11
B11
B12
B12
B13
B13
B14
B14
B15
B15
B16
B16
B17
B17
B18
B18
B19
B19
B20
B20
B21
B21
B22
B22
B23
B23
B24
B24
B25
B25
B26
B26
B27
B27
B28
B28
B29
B29
B30
B30
B31
B31
B32
B32
P0_0
1
-w
ire
U
A
R
T
R
322
33
R
334
33
SW
C
LK
A2
R
87
33
BR
ST
n
D5
Led_Orange
2
1
T
X
_2
P3_1
R
329
33
R
333
33
SW
_C
LK
P3_7
D
E
V
E
L
O
P
M
E
N
T
O
P
T
IO
N
S
(D
E
F
A
U
L
T
:
F
L
A
S
H
,JT
A
G
)
P2_6
T
X
_1
P3_3
V1
V3
C
125
1.
0nF
M
OSI
D3
PW
M
_1
P3_1
J1
1
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
P2_3
T
P34
U
R
T
S
T
_SW
D
IO
SC
K
V
O
L
T
A
G
E
L
E
V
E
L
T
R
A
N
S
L
A
T
IO
N
SD
A_2
A4
P2_0
T
X
_1
3
.3
V
P0_5
V
D
D
IO
R
145
0
SW
C
LK
IN
T
_1
A1
P0_11
AN
_1
M
OSI
_1
J8
87898-0455
2
P1_3
-
+
U1A
LM
V358LI
D
T
2
3
4
8
1
R6
1.
00K
P0_8
SC
K_1
URX
A
R
D
U
IN
O
S
O
C
K
E
T
S
(N
O
T
P
O
P
U
L
A
T
E
D
)
G
P
IO
B
R
E
A
K
O
U
T
H
E
A
D
E
R
PWM INT
RX TX
SCL SDA +5V GND
IN
T
_2
P0_5
P3_4
R
346
1.
00K
D4
P2_7
P0_2
P0_6
V
_
F
L
SC
L_1
P0_2
D
A
1
4
5
3
1
-F
C
G
Q
F
N
2
4
D
E
F
A
U
L
T
S
IG
N
A
L
S
J1
4
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
V
PP
T
P32
U
T
X
R
318
33
D
12
P0_6
R
344
33
R
336
33
P0_5
C
124
NP
D2
U
S
E
R
B
U
T
T
O
N
S
V
_
F
L
P0_0
R
316
33
R
326
33
R
343
33
R
E
S
E
T
B
U
T
T
O
N
SC
L_2
P1_0
D9
P0_7
URX
P2_1
V
D
D
IO
SD
A_2
C
S_1
U
R
T
S
P0_10
SC
L_1
R
X
_1
IN
T
_1
P0_4
P0_5
P0_4
D6
SC
K_1
SD
A
FCS
M
ISO_1
U
2
4
N
C
7SZ
04P5X
NC
1
I
2
GN
D
3
O
4
VC
C
5
P0_4
P2_2
R
72
33
P0_1
R
305
0
P0_2
D3
T
P79
VPP
J1
5
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
R
143
0
R
38
0
(UAR
T O
PTIO
N)
SW
2
EVQ-Q2S03W
SW
_D
IO
P0_1
P3_6
3
.3
V
SW
_D
IO
SW
D
IO
U
R
T
S
D0
D
A
U
G
H
T
E
R
B
O
A
R
D
C
O
N
N
E
C
T
O
R
IOR
EF
R
37
200K
V3
U
2
Y
NP
SI
/SI
O0
5
SC
K
6
R
ST
/SI
O3
7
CS
1
W
P/
SI
O2
3
VC
C
8
GN
D
4
SO/
SI
O1
2
V3
D3
URX
V
D
D
IO
P3_7
C
S_2
SW
_D
IO
J1
3
NP
1
1
2
2
3
3
4
4
5
5
6
6
P2_7
PW
M
_2
AN
_2
V
_
F
L
Q3
F
D
V301N
3
1
2
V3
AN
_1
P0_6
P3_4
P2_4
BR
ST
n
DA1
45
31
(D
EFAU
LT
)
R7
1.
00K
A5
U
_T
X
P2_1
U
2
2
SN
74AU
P3G34D
C
U
R
1A
1
GN
D
4
2A
3
2Y
5
VC
C
8
1Y
7
3A
6
3Y
2
R
328
33
R
342
33
R
324
33
SD
A_2
M
ISO
R
320
33
R
331
33
R
339
33
A2
P1_2
J1
7
NP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
P0_3
T
_R
ESET
R
338
33
P0_1
P1_1
J
3
A
PC
IE_64
A1
A1
A2
A2
A3
A3
A4
A4
A5
A5
A6
A6
A7
A7
A8
A8
A9
A9
A10
A10
A11
A11
A12
A12
A13
A13
A14
A14
A15
A15
A16
A16
A17
A17
A18
A18
A19
A19
A20
A20
A21
A21
A22
A22
A23
A23
A24
A24
A25
A25
A26
A26
A27
A27
A28
A28
A29
A29
A30
A30
A31
A31
A32
A32
A0
U
_R
X
PW
M
_1
VBU
S_H
U
B
C1
100nF
BR
ST
n
SD
A_1
U
2
X
NP
SI
/SI
O0
5
SC
K
6
R
ST
/H
old/
SI
O3
7
CS
1
W
P/
SI
O2
3
VC
C
8
GN
D
4
SO/
SI
O1
2
P0_9
R
X
_2
T
X
_1
U
C
T
S
T
P33
U
C
T
S
M
ik
ro
B
U
S
S
O
C
K
E
T
S
(N
O
T
P
O
P
U
L
A
T
E
D
)
P1_1
C3
1.
0uF
R1
4.
75K
AN RST CS SCK MISO MOSI +3.3V GND
P0_6
T
P21
SW
_D
IO
P2_8
P3_6
D6
U
T
X
M
ISO_1
T
it
le
:
D
oc
.
N
r.
R
ev
:
D
at
e:
Sheet
:
of
Dialog Semiconductor N.E.O. Patron-Athinon 15 26441, Patras, Greece tel. (+30) 2610390940 fax. (+30) 2610390941
D
es
igner:
376-18-B
B
D
A
145xx
D
evK
it
Pr
o
M
ai
n
b
o
ar
d
2
5
F
riday
,
Augus
t
09,
2019
PR
D
ia
lo
g
S
e
m
ico
n
d
u
ct
o
r
R
69
10.
0k
R2
NP
AN
_2
AN RST CS SCK MISO MOSI +3.3V GND
SC
L_2
P0_3
P3_0
P0_10
D
13
P2_5
D7
P0_2
P0_3
SC
K_2
U
_C
T
S
R
ST
P1_1
P2_9
D
10
U
T
X