UM-B-114
DA14531 Development Kit Pro Hardware User Manual
User Manual
Revision 1.4
23-Apr-2020
69 of 82
© 2021 Dialog Semiconductor
Appendix E SPI Data Flash, JTAG, and Single-Wire UART (Default)
This is the default configuration for DA14531 DK PRO shipped to users.
In the FCGQFN24 package, SWDIO is assigned to P0_10. P0_5 is used during boot as the single-
wire UART, RxTX. This is not feasible for the WLCSP17 package.
Table 20: Pin Assignment for DA14531 WLCSP17 PRO-DB
Configuration
P0_0
P0_1
P0_2
P0_3
P0_4
P0_5
SPI, JTAG, and single-wire UART
MOSI
/CS
SWLCK
MISO
MOSI
SWDIO
Table 21: Pin Assignment for DA14531 FCGQFN24 PRO-DB
Configuration
P0_0
P0_1
P0_2
P0_3
P0_4
P0_5
P0_10
SPI, JTAG, and single-wire UART
MOSI
/CS
SWLCK
MISO
MOSI
RxTx
SWDIO
E.1
DA14531 WLCSP17 PRO-DB and PRO-MB Settings
The resistors that are not mounted to DA14531 WLCSP17 PRO-DB do not appear in
DA14531
WLCSP
P0_0
P0_1
P0_2
P0_3
P0_4
MB2_0
R1 = 36
MB0_6
R22 = 0
MB2_1
R2 = 36
MB0_3
R20 = 0
MB2_2
R3 = 36
SWCLK
R14 = 0
MB2_3
R4 = 36
MB0_5
R21 = 0
MB2_4
R5 = 36
MB0_0
R19 = 0
RESET
R30 = 1K
P0_5
MB2_5
R6 = Not pop
SWDIO
R15 = 36
Y2
32.768 KHz
NP
MISO
MOSI
/CS
SCK
SWCLK
SWDIO
P2_0
P2_1
P2_2
P2_3
P2_4
P2_5
P0_6
P0_5
B6
A4
B8
B22
A7
A8
B7
A13
A27
A23
B23
B29
B26
B4
A9
P0_0
P0_3
RST
PRO Motherboard
531_WLCSP
PRO
daughterboard
Signals Naming
On PRO-Motherboard
Figure 67: System Configuration for DA14531 DK PRO with a DA14531 WLCSP17 PRO-DB
(Default)
