Table of contents
About this document....................................................................................................................... 1
Table of contents............................................................................................................................ 2
List of figures ................................................................................................................................. 3
List of tables .................................................................................................................................. 4
1Introduction .......................................................................................................................... 5
1.1 Key features.............................................................................................................................................5
2Hardware description –Radar Baseboard MCU4 ........................................................................ 6
2.1 Overview..................................................................................................................................................6
2.2 Block diagram..........................................................................................................................................7
2.3 Power supply...........................................................................................................................................7
2.3.1 Battery and external power supply ...................................................................................................8
2.3.1.1 Hardware changes (for V1.1 only) ................................................................................................8
2.3.1.2 External power supply operation with battery charging.............................................................9
2.3.2 USB operation..................................................................................................................................11
2.4 Current measurement of radar sensor shields ....................................................................................12
2.5 EEPROM .................................................................................................................................................12
2.6 Microcontroller unit –XMC4700............................................................................................................13
2.7 User-configurable LEDs.........................................................................................................................13
2.8 User-configurable button .....................................................................................................................14
2.9 SD card reader.......................................................................................................................................14
2.10 Level shifters..........................................................................................................................................14
3Connectors...........................................................................................................................16
4Firmware development and debugging ...................................................................................19
4.1 Debugging..............................................................................................................................................19
4.1.1 Onboard debugger and UART connection......................................................................................21
5Authors................................................................................................................................22
6References ...........................................................................................................................23
Revision history.............................................................................................................................24
