Contents
Abstract................................................................................................................................................ 1
1Terms and Definitions................................................................................................................... 4
2References..................................................................................................................................... 4
3Introduction.................................................................................................................................... 5
4System Overview........................................................................................................................... 6
4.1 Features................................................................................................................................6
4.2 System and components description....................................................................................7
4.3 Block Diagram..................................................................................................................... 10
5DA14531 SmartBond TINY™ Module Daughterboard ............................................................. 11
5.1 Power Section..................................................................................................................... 11
5.1.1 Default Power Supply Option Configuration........................................................ 11
5.1.2 Optional USB power section................................................................................ 12
5.2 Reset operation...................................................................................................................12
5.3 General Purpose Buttons.................................................................................................... 12
5.4 General Purpose LEDs.......................................................................................................13
5.5 MikroBUS™ Module............................................................................................................14
5.6 JTAG................................................................................................................................... 16
5.7 UART...................................................................................................................................17
5.8 GPIOs and pin assignment on DA14531 SMARTBOND TINY™ MODULE DB ................ 17
5.9 Programming and debugging interface setup..................................................................... 19
5.9.1 Single wire UART, JTAG, RESET....................................................................... 20
5.9.2 2-wire UART, JTAG, RESET............................................................................... 21
5.9.3 4-wire UART, JTAG, RESET............................................................................... 21
5.10 First Steps with DA14531 SMARTBOND TINY™ MODULE DEVKIT................................ 23
6Known Issues .............................................................................................................................. 24
6.1 Keil JTAG default Clock Speed........................................................................................... 24
Appendix A......................................................................................................................................... 26
A.1 Schematic ...........................................................................................................................26
A.2 Placed Components............................................................................................................27
Revision History................................................................................................................................ 28
Figures
Figure 1: DA14531 SMARTBOND TINY™ MODULE DB..................................................................... 5
Figure 2: DA14531 SMARTBOND TINY™ MODULE DEVKIT............................................................. 6
Figure 3: Component description. Top side. ......................................................................................... 7
Figure 4: Component description. Bottom side..................................................................................... 8
Figure 5: DA14531 SMARTBOND TINY™ MODULE DB Block Diagram .......................................... 10
Figure 6: Power option selection for DA14531 SMARTBOND TINY™ MODULE DB ........................ 11
Figure 7: Power option default configuration....................................................................................... 11
Figure 8: Optional USB power supply section..................................................................................... 12
Figure 9: Reset Button on DA14531 SMARTBOND TINY™ MODULE DB........................................ 12
Figure 10: General purpose push buttons on DA14531 SMARTBOND TINY™ MODULE DB .......... 13
