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32-bit ARM Cortex-M0+ Ultra-Low-Power MCU family with Peripheral Touch Controller (PTC), Segment LCD Controller, Advanced Analog, USB and AES
32-bit ARM Cortex-M0+ Ultra-Low-Power MCU family with Peripheral Touch Controller (PTC), Segment LCD Controller, Advanced Analog, USB and AES
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  1. Home
  2. 36 TRNG – True Random Number Generator
  3. 36.5 Product Dependencies
  4. 36.5.3 Clocks

  • Features
  • 1 Configuration Summary
  • 2 Ordering Information
  • 3 Block Diagram
  • 4 Pinout
  • 5 Signal Descriptions List
  • 6 I/O Multiplexing and Considerations
  • 7 Power Supply and Start-Up Considerations
  • 8 Product Mapping
  • 9 Memories
  • 10 Processor and Architecture
  • 11 PAC - Peripheral Access Controller
  • 12 Peripherals Configuration Summary
  • 13 DSU - Device Service Unit
  • 14 Clock System
  • 15 GCLK - Generic Clock Controller
  • 16 MCLK – Main Clock
  • 17 FREQM - Frequency Meter
  • 18 RSTC – Reset Controller
  • 19 PM - Power Manager
  • 20 OSCCTRL – Oscillators Controller
  • 21 OSC32KCTRL – 32.768 kHz Oscillators Controller
  • 22 SUPC – Supply Controller
  • 23 WDT – Watchdog Timer
  • 24 RTC – Real-Time Counter
  • 25 DMAC – Direct Memory Access Controller
  • 26 EIC – External Interrupt Controller
  • 27 NVMCTRL – Non-Volatile Memory Controller
  • 28 PORT - I/O Pin Controller
  • 29 EVSYS – Event System
  • 30 SERCOM – Serial Communication Interface
  • 31 SERCOM USART – SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter
  • 32 SERCOM SPI – SERCOM Serial Peripheral Interface
  • 33 SERCOM I2C – SERCOM Inter-Integrated Circuit
  • 34 TC – Timer/Counter
  • 35 TCC – Timer/Counter for Control Applications
  • 36 TRNG – True Random Number Generator
    • 36.1 Overview
    • 36.2 Features
    • 36.3 Block Diagram
    • 36.4 Signal Description
    • 36.5 Product Dependencies
      • 36.5.1 I/O Lines
      • 36.5.2 Power Management
      • 36.5.3 Clocks
      • 36.5.4 DMA
      • 36.5.5 Interrupts
      • 36.5.6 Events
      • 36.5.7 Debug Operation
      • 36.5.8 Register Access Protection
      • 36.5.9 Analog Connections
    • 36.6 Functional Description
    • 36.7 Register Summary
    • 36.8 Register Description
  • 37 AES – Advanced Encryption Standard
  • 38 USB – Universal Serial Bus
  • 39 CCL – Configurable Custom Logic
  • 40 ADC - Analog-to-Digital Converter
  • 41 AC – Analog Comparators
  • 42 SLCD - Segment Liquid Crystal Display Controller
  • 43 PTC - Peripheral Touch Controller
  • 44 Electrical Characteristics
  • 45 Typical Characteristics
  • 46 Packaging Information
  • 47 Schematic Checklist
  • 48 Conventions
  • 49 Acronyms and Abbreviations
  • 50 Datasheet Revision History
  • Microchip Information

36.5.3 Clocks

The TRNG bus clock (CLK_TRNG_APB) can be enabled and disabled in the MCLK - Main Clock, and the default state of CLK_TRNG_APB can be found in Peripheral Clock Masking.

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