Contents
Abstract................................................................................................................................................ 1
Contents............................................................................................................................................... 2
Figures.................................................................................................................................................. 2
Tables ................................................................................................................................................... 3
1 Terms and Definitions................................................................................................................... 4
2 References..................................................................................................................................... 4
3 DA1469x DK PRO Hardware Architecture and Implementation............................................... 5
3.1 Introduction ........................................................................................................................... 5
3.2 Features................................................................................................................................ 5
3.3 DA1469x PRO DK Hardware Block Diagram....................................................................... 5
3.4 Main Features of Mainboard in DA1469x PRO DK .............................................................. 6
3.5 User Accessible Elements in DA1469x PRO DK.................................................................. 8
3.6 DA1469x PRO DK Daughterboard (db-VFBGA-100 and db-LFBGA-86)............................. 9
3.7 Current Measurement Section in DA1469x DK PRO ......................................................... 12
3.8 DA1469x PRO DK Power Block Diagram........................................................................... 12
........................................... 14
................................................................... 15
3.11 GPIO Assignments.............................................................................................................. 16
3.12 Jumper/DIP Switch Settings ............................................................................................... 18
3.13 QSPI-RAM Operation.......................................................................................................... 18
3.14 Test Section........................................................................................................................ 18
Revision History................................................................................................................................ 21
Figures
Figure 1: System Block Diagram........................................................................................................... 5
Figure 2: DA1469x DK PRO Mainboard Breakout Headers ................................................................. 6
Figure 3: VBAT Adjustable LDO............................................................................................................ 6
Figure 4: DIP Switch.............................................................................................................................. 7
Figure 5: Arduino Sockets..................................................................................................................... 7
Figure 6: MikroBUS sockets.................................................................................................................. 7
Figure 7: Main Accessible Features in Main Board/Daughter Board in DA1469x PRO DK ................. 8
Figure 8: DA1469x PRO DK Daughterboard......................................................................................... 9
Figure 9: USB Overvoltage Protection.................................................................................................. 9
Figure 10: Power Options.................................................................................................................... 10
Figure 11: Connection to Mainboard................................................................................................... 10
Figure 12: CIB Debugging Header...................................................................................................... 11
Figure 13: LED Powering Circuit......................................................................................................... 11
Figure 14: DA1469x PRO DK Power Distribution Diagram................................................................. 12
Figure 15: 3.3V LDO for USB Hub...................................................................................................... 13
Figure 16: 3.3 V LDO for Mainboard Peripherals................................................................................ 13
Figure 17: Op-Amps/ADC 5.0 V Power Supply................................................................................... 13
Figure 18: Negative Supply for Op-Amps............................................................................................ 14
Figure 19: Voltage Level Translation Circuit....................................................................................... 15
Figure 20: Mainboard/Daughterboard Alignment................................................................................ 16
Figure 21: QSPI-RAM.......................................................................................................................... 18
