UM-B-141
DA14531 SMARTBOND TINY™ MODULE Development
Kit Hardware User Manual
Target
User Manual
Revision 1.1
11-05-2020
CFR0012
12 of 29
© 2020 Dialog Semiconductor
5.1.2
Optional USB power section
USB power section consists of the following parts:
–
Mini Type B USB connector (J6)
–
OVP circuit
–
LDO (3.3V) regulator (U2)
USB power section is not populated.
Figure 8: Optional USB power supply section
5.2
Reset operation
Reset operation on the
DA14531 SMARTBOND TINY™ MODULE can be activated with one of the
following ways:
●
By pressing the on board RESET button (SW3)
●
Through software from the UART & JTAG interface of DA145xx DEVKT-P PRO-MB
●
By pressing RESET button on DA145xx DEVKT-P PRO-MB (SW1)
Reset signal is connected to P0_0.
Figure 9: Reset Button on
DA14531 SMARTBOND TINY™ MODULE DB
5.3
General Purpose Buttons
Push button SW2 is populated and placed on top side of the board (Figure 11). It is connected to
P0_11(Figure 10) and shares the same configuration with SW2 button of DA145xx DEVKT-P PRO-
MB
(
SW2 is connected to P3_1 on the motherboard which is P0_11 on DA14531
)
.
See
SW1 is not populated (Figure 11). It is connected to P0_6 (Figure 10).