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Summary of Contents for Dialog Semiconductor DA14683 USB Kit
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Page 1: Abstract
Company Confidential User Manual DA14683 USB Kit UM-Β-094 Abstract This document outlines the system design, configuration options and supported features of DA14683 USB Kit, rev-C (224-46-C). -
Page 2: Table Of Contents
5.15 Debugging Processor (U4) ....................24 5.16 Power Section ........................25 Software Configuration ....................... 27 Using the DA14683 USB kit as a USB Device ..............27 Using DA14683 USB kit as Development kit ..............28 PCB Layout ..........................29 Appendix A ............................30 Schematics .......................... -
Page 3: Figures
Figure 19: MikroBus™ pin assignment and extra DA14683 I/O & Power output........ 21 Figure 20: J6 and J7 female sockets (must be placed and soldered by users) ........21 Figure 21: Proper orientation and connection between DA14683 USB Kit and a MikroBus™ click board ..............................22 Figure 22: MikroBus™... -
Page 4: Terms And Definitions
Master In Slave Out MOSI Master Out Slave In Inter-Integrated Circuit RFIO Radio Frequency Input Output Surface-Mount Device References DA14683 Datasheet, Datasheet, Dialog Semiconductor. AN-B-052, DA1458x/68x Development kit J-Link Interface, Application Note, Dialog Semiconductor User Manual Revision 1.0 28-May-2018 CFR0012 4 of 36... -
Page 5: Introduction
DA14683 USB Kit Introduction This document describes the DA14683 USB Kit. This kit offers a low cost development board with basic functionality. The development kit is implemented on a single PCB. The block diagram, the actual board, the various sections and settings as well as the connectivity are presented. The purpose of this cost-effective USB kit is to provide users with the capability for: ●... -
Page 6: System And Components Description (Top View)
UM-Β-094 Company Confidential DA14683 USB Kit System and Components Description (Top View) Figure 2: USB Kit - Top side The USB kit is based on the DA14683 SoC in an aQFN60 package. The marked and numbered sections of the system are: 1. -
Page 7: System And Components Description (Bottom View)
UM-Β-094 Company Confidential DA14683 USB Kit 20. Amber LED (D5) 21. OVP Circuit System and Components Description (Bottom View) Figure 3: USB Kit - Bottom side The bottom side of the USB kit provides information about the MikroBus™ pins assignment, the Segger ID, and the date code. - Page 8 UM-Β-094 Company Confidential DA14683 USB Kit Test point Assigned to Comments For programming U4 in production - Not used for development TCK_SWCLK For programming U4 in production - Not used for development TP10 TMS_SWDIO For programming U4 in production - Not used for development...
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Page 9: Block Diagram
Alternative configuration: 3.3 V provided from the VBAT pin through LDO (U10) The position of the SW6 connects the power supply of DA14683 and enables developers to select either of the two available power supply configurations. The DA14683 USB Kit does not support external batteries. User Manual Revision 1.0... -
Page 10: Usb Kit System
UM-Β-094 Company Confidential DA14683 USB Kit USB Kit System Overview ● Board name/number: ○ DA14683 USB Kit/224-46-C ● SoC: ○ DA14683 in an aQFN60 package ● Flash memory: ○ W25Q80EWSNIG (8Mbit) QSPI Flash Memory, 8-SOIC package ○ 1.8 V power supply (default) ○... -
Page 11: Figure 5: Da14683 Schematic
UM-Β-094 Company Confidential DA14683 USB Kit Figure 5: DA14683 schematic The DA14683 SoC power management subsystem consists of: ● VBUS: Battery charger input as well as USB bus voltage. ○ A decoupling capacitor (C35) equal or less than 4.7 μF is placed close to VBUS pin. -
Page 12: Da14683 Pin Assignment
UM-Β-094 Company Confidential DA14683 USB Kit ○ V33 cannot be turned off. ● SIMO DC-DC converter outputs: V18, V18P, V12, V14. ○ The inductor needed for DC-DC operation is placed externally. A low DCR inductor (L1) of 470 nH, (0805 package), is connected on LX/LY pins. -
Page 13: Booting From Uart
UM-Β-094 Company Confidential DA14683 USB Kit AQFN60 pin Development kit Header pin Comments name signal P1_1 USBDM_2 USB Data minus (-) P1_2 GP_LED_RED General purpose Red LED P1_3 T_TX Universal Asynchronous Transmitter P1_4 GPIO/MB_INT J7.2 GPIO/MikroBUS™ Interrupt P1_5 T_RTS P1_6... -
Page 14: Crystals
UM-Β-094 Company Confidential DA14683 USB Kit The settings for UART booting are: ● Baud rate 57.6 kbps ● 8 bits ● No parity ● 1 stop bit For more details on booting with UART, check application note AN-B-052 (Ref [2]). -
Page 15: Antenna And Rf Port
Figure 6: Chip Antenna PCB Footprint and Mechanical specifications The DA14683 USB Kit provides a single-ended RFIO port matched to 50Ω. The RF port consists of the RFIOp and RFIOm pins, of which RFIOm is connected to ground. A copper trace with an impedance of 50Ω... -
Page 16: Rf Measurements And Antenna Matching
UM-Β-094 Company Confidential DA14683 USB Kit Figure 8: RF port, RF connector, RF matching and SMD Chip antenna 5.6.1 RF Measurements and Antenna Matching RF measurements were performed to increase the efficiency of the ANT1. The values of the RF... -
Page 17: Qspi Data Flash Memory (U9)
(Figure 11). The same supply voltage is also connected to the DA14683 VDDIO pin. The selected QSPI flash for the DA14683 USB kit is W25Q80EWSNIG in a SOIC package. Figure 11: QSPI Flash with selectable power supply (V33 or V18) The DA14683 uses the external Flash memory for directly executing code with some help from the internal cache, or simply for mirroring the contents in RAM during booting. -
Page 18: Reset Circuit
UM-Β-094 Company Confidential DA14683 USB Kit Reset Circuit Figure 12: Reset circuit The DA14683 USB can be reset by pressing the on board RESET button (Figure 13) or through software from the UART & JTAG interface processor (U4, Figure 2, #7). -
Page 19: Push Buttons
UM-Β-094 Company Confidential DA14683 USB Kit Push Buttons Figure 14: General purpose push buttons Push buttons SW1 and SW2 are populated and placed on the top side of the board (Figure 15). SW1 is connected to P3_1 and SW2 is connected to P3_2 (Figure 14). -
Page 20: 5.10 User Controlled Leds
UM-Β-094 Company Confidential DA14683 USB Kit 5.10 User Controlled LEDs Figure 17: General purpose LEDs The red LED D9 is driven from P1_2 and the white LED D10 is driven from P4_1 (Figure 18). Both are general purpose LEDs. Figure 18: General Purpose LEDs D9 (red) & D10 (white) User Manual Revision 1.0... -
Page 21: 5.11 Mikrobus™ Module
J6 from pin 4 to 11 and the other to J7 from pin 1 to pin 8. Do not use the pin1, pin2, and pin3 in J6 to connect a MikroBUS™ module with the DA14683 USB kit. These pins are extra I/O and power output of DA14683 and can be used for general purposes. -
Page 22: Figure 21: Proper Orientation And Connection Between Da14683 Usb Kit And A Mikrobus™ Click Board
UM-Β-094 Company Confidential DA14683 USB Kit Figure 21: Proper orientation and connection between DA14683 USB Kit and a MikroBus™ click board Figure 22: MikroBus™ pin assignment User Manual Revision 1.0 28-May-2018 CFR0012 22 of 36 © 2018 Dialog Semiconductor... -
Page 23: 5.12 Gnd Support Points
5.13 Over Voltage Protection Circuit (OVP) The DA14683 USB kit can be used as a portable standalone device. The power supply can be a power-bank or a mobile charger. The OVP circuit can protect the device from overvoltage up to 20 V. -
Page 24: 5.14 Usb Hub
UM-Β-094 Company Confidential DA14683 USB Kit 5.14 USB HUB USB HUB is implemented by U1, USB2512B-AEZG. This chip is supplied with a voltage of 3.3 V from U2. The signal LDO_EN is generated from U1 and it is an active high signal. It enables the LDO (U3) which supplies the Segger chip. -
Page 25: 5.16 Power Section
Company Confidential DA14683 USB Kit Figure 27: Debugging processor - UART and JTAG interface 5.16 Power Section DA14683 USB Kit is supplied directly from the USB port and it does not support external batteries. Figure 28 shows the power tree. -
Page 26: Figure 29: Linear Voltage Regulators (Ldos) U3 And U4
UM-Β-094 Company Confidential DA14683 USB Kit ● U3: Fixed output 3.3V LDO. ○ It generates VDD_3V3_HUB voltage rail that supplies USB HUB. ● U4: Fixed output 3.3V LDO. ○ It generates VDD_3V3_SEG voltage rail that supplies the USB to JTAG/UART chip (U4, ATSAM3U2CA-CU). -
Page 27: Software Configuration
Using the DA14683 USB kit as a USB Device When users/developers use the DA14683 USB kit as a USB device, the SW6 is turned to the 5V side to supply the chip through VBUS. In this case, a couple of limitations need to be taken into consideration when working with the SDK projects provided from Dialog Semiconductor. -
Page 28: Using Da14683 Usb Kit As Development Kit
Using DA14683 USB kit as Development kit When users/developers need to have full power save and/or battery-operated applications which do not include any USB or charging functionality, then the power supply of the DA14683 USB kit must be from VBAT. -
Page 29: Pcb Layout
UM-Β-094 Company Confidential DA14683 USB Kit PCB Layout Dimensions: 89 mm × 26.7 mm × 4.5 mm Number of layers: 4 PCB thickness: 1.55 mm Material: FR-4 Solder mask TOP/BOTTOM: Green Silkscreen TOP/BOTTOM: White Surface finish: Che Ni/Au Figure 32: PCB cross section The total thickness of the board is 1.55mm. -
Page 30: Schematics
UM-Β-094 Company Confidential DA14683 USB Kit Appendix A Schematics Figure 33: USB Hub section User Manual Revision 1.0 28-May-2018 CFR0012 30 of 36 © 2018 Dialog Semiconductor... -
Page 31: Figure 34: Uart & Jtag Interface Chip Section
UM-Β-094 Company Confidential DA14683 USB Kit Figure 34: UART & JTAG interface chip section User Manual Revision 1.0 28-May-2018 CFR0012 31 of 36 © 2018 Dialog Semiconductor... -
Page 32: Figure 35: Da14683 Soc Section
UM-Β-094 Company Confidential DA14683 USB Kit Figure 35: DA14683 SoC section User Manual Revision 1.0 28-May-2018 CFR0012 32 of 36 © 2018 Dialog Semiconductor... -
Page 33: Figure 36: Mikrobus™ And Peripherals Section
UM-Β-094 Company Confidential DA14683 USB Kit Figure 36: Mikrobus™ and peripherals section User Manual Revision 1.0 28-May-2018 CFR0012 33 of 36 © 2018 Dialog Semiconductor... -
Page 34: Bill Of Materials (Bom)
UM-Β-094 Company Confidential DA14683 USB Kit Bill of Materials (BOM) Figure 37: Bill of materials (BOM) User Manual Revision 1.0 28-May-2018 CFR0012 34 of 36 © 2018 Dialog Semiconductor... -
Page 35: Revision History
UM-Β-094 Company Confidential DA14683 USB Kit Revision History Revision Date Description 28-May-2018 Initial version User Manual Revision 1.0 28-May-2018 CFR0012 35 of 36 © 2018 Dialog Semiconductor... -
Page 36: Um-Β
Terms and Conditions of Sale, available on the company website (www.dialog-semiconductor.com) unless otherwise stated. Dialog and the Dialog logo are trademarks of Dialog Semiconductor plc or its subsidiaries. All other product or service names are the property of their respective owners.
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