UM-B-114
DA14531 Development Kit Pro Hardware User Manual
User Manual
Revision 1.4
23-Apr-2020
41 of 82
© 2021 Dialog Semiconductor
In the DA14531 FCGQFN24 PRO-DB, the push button SW1
must be placed
in the H position for
BUCK mode (
The DA14531 PRO-MB is delivered in a default configuration (
) which:
●
Enables the on-board SPI data flash
●
Enables the JTAG (SWD) debugging interface
●
Enables single-wire UART by adding jumpers on J10:1 to J1:15 and J10:2 to J15:17 (marked by
blue)
●
Enables the user push button SW2 and user LED D5
●
Connects SW3 to SWDIO (JTAG interface) by removing the jumper
●
Enables C-Trig. Please note that it is connected to the signal (P0_11) which drives SW2. If both
functionalities are required, assign one of the two functions to a free GPIO and wire accordingly.
●
Allows the DA14531 to be reset (over JTAG or by using the SW1 push button)
●
Sets DA14531 DCDC converter to Buck mode to provide 3.3 V
●
Enables the current sensing circuit
