UM-B-141
DA14531 SMARTBOND TINY™ MODULE Development
Kit Hardware User Manual
Target
User Manual
Revision 1.1
11-05-2020
CFR0012
8 of 29
© 2020 Dialog Semiconductor
11. Power switch (SW4). Selection between VLDO from PRO-MB/ Coin cell battery or USB power
supply.
Optional.
12. USB power supply section with OVP circuit.
Optional.
13. Jumper header for LED isolation(J5).
Optional.
14. General purpose button (SW1).
Optional.
15. General purpose LED (D1).
Optional.
16. Mating connector on the PCB (J1).
Figure 4: Component description. Bottom side.
The bottom side of the kit provides battery case for a CR2032 coin cell battery. Test points have
been placed for monitoring various signal behaviors and voltage levels of the components. The
marked and numbered sections of the system are:
17. Coin cell battery (BT1)
18. Test points (see Table 1 for more details)
19. Dialog label
Table 1: Test Points Description
Test Point
Assigned to
Comments
TP1
FIDUCIAL
Not electrically connected
TP2
FIDUCIAL
Not electrically connected
TP3
GND
Ground
TP7
SWCLK
JTAG Interface- Clock Signal
TP8
VLED1
Voltage level of RED LED (D1)
TP9
SWDIO
JTAG Interface DIO Signal