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Lattice Semiconductor iCE40 Usage Manual

Oscillator
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iCE40 Oscillator Usage Guide
Technical Note
FPGA-TN-02008-1.7
December 2020

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Summary of Contents for Lattice Semiconductor iCE40

  • Page 1 Oscillator Usage Guide Technical Note FPGA-TN-02008-1.7 December 2020...
  • Page 2 The information provided in this document is proprietary to Lattice Semiconductor, and Lattice reserves the right to make any changes to the information in this document or to any products at any time without notice.

  • Page 3: Table Of Contents

    Table 3.2. SB_LFOSC/LSOSC I/O ............................6 © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 4: Acronyms In This Document

    Pulse-Width Modulation © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 5: Introduction

    Figure 2.1. On-Chip Oscillator © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 6: I/O Port Description

    PWM for LED. Power benefit is 48 MHz only when LED is on and minimum power when LED is off. © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 7: Figure 4.2. Oscillator Used For Dynamic Clock Calibration That Can Be Used On Service Led

    Figure 4.2. Oscillator Used for Dynamic Clock Calibration that Can Be Used On Service LED © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 8: Power Management Options

    © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 9: Appendix A: Design Entry

    .CLKLF(CLKLF) © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 10: Hsosc Usage In Lattice Radiant Software

    (CLKHF) © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 11: Technical Support Assistance

    Submit a technical support case via www.latticesemi.com/techsupport. © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

  • Page 12: Revision History

    Initial release. © 2016-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
  • Page 13 www.latticesemi.com...

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