Laird Lyra P User Manual Download Page 1 | Manualshive

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Version 1.3

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Summary of Contents for Lyra P

Page 1: ...A Version 1 3...

Page 2: ...ve Drogowski Jonathan Kaye 1 1 10 June 2022 Corrected Figure 4 in 8 4 Push Button and LED Florian Baumgartl Raj Khatri Dave Drogowski Jonathan Kaye 1 2 19 Aug 2022 Added note about silkscreen labellin...

Page 3: ...Switch SW1 7 7 Specifications 7 7 1 Recommended Operating Conditions 7 7 2 Current Consumption 7 8 Functional Blocks 8 8 1 Hardware Block Diagram 8 8 2 Power Supply 10 8 3 Lyra P Reset 10 8 4 Push Bu...

Page 4: ...LED and push button 20 pin 2 54 mm breakout pads mikroBUS socket Qwiic connector SEGGER J Link on board debugger Virtual COM port Packet Trace Interface PTI USB powered Software Development Selection...

Page 5: ...onnecting external hardware to the Lyra P Development Kit can be done using the 20 breakout pads which present peripherals from the Lyra P such as I2C SPI UART and GPIOs The mikroBUS socket allows ins...

Page 6: ...1628 858 940 Hong Kong 852 2762 4823 Note Versions of the development board silkscreen prior to v2 3 may list SW1 as BGx or AT SWO On these boards BGx should be understood to be AT BGx and AT SWO shou...

Page 7: ...ut Voltage VMCU supplied externally VVMCU 3 31 V Operating Temperature TOP 20 C 1 The typical supply voltage to the Lyra P is 3 0 V but the maximum voltage is a function of temperature and average lif...

Page 8: ...onsumption2 IDBG On board debugger current consumption when USB cableis not inserted EFM32GG12 EM4S mode current consumption 80 nA 1 From Lyra P data sheet 2 From EFM32GG12 data sheet The core of the...

Page 9: ...https www lairdconnect com 9 Copyright 2022 Laird Connectivity All Rights Reserved Americas 1 800 492 2320 Europe 44 1628 858 940 Hong Kong 852 2762 4823 Figure 2 Lyra P DVK block diagram...

Page 10: ...r power sources are present on the kit Failure to follow this guideline can cause power conflicts and damage the LDO The Lyra P can be reset by a few different sources A user pressing the RESET button...

Page 11: ...er Guide Firmware Options and Upgrading Lyra Series for more information The Lyra P Development Kit contains a microcontroller separate from the Lyra P that provides the user with an on board J Link d...

Page 12: ...B Micro B connector 20 breakout pads a mikroBUS connector for connecting mikroBUS add on boards and a Qwiic connector for connecting Qwiic Connect System hardware The connectors are placed on the top...

Page 13: ...any pin However pins may be shared between the breakout pads and other functions on the Lyra P Development Kit The table below includes an overview of the breakout pads and functionality that is share...

Page 14: ...on the Lyra P Development Kit shown in the figure below to ensure correct orientation Add on boards have a similar notch that needs to be lined up with the one shown below Figure 7 mikroBUS add on bo...

Page 15: ...inable as long as each I2C device in the chain has a unique I2C address Note The Qwiic I2C connections on the Lyra P Development Kit are shared with the mikroBUS I2C signals The Qwiic connector and it...

Page 16: ...e The on board LDO is also activated which then powers the board When the USB cable is removed the on board debugger goes into a very low power shutoff mode EM4S consuming around 80 nA typically EFM32...

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