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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
Product Pages
ATSAML22G16A ATSAML22G17A ATSAML22G18A ATSAML22J16A ATSAML22J17A ATSAML22J18A ATSAML22N16A ATSAML22N17A ATSAML22N18A
  1. Home
  2. 15 GCLK - Generic Clock Controller
  3. 15.5 Product Dependencies
  4. 15.5.1 I/O Lines

  • 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
    • 15.1 Overview
    • 15.2 Features
    • 15.3 Block Diagram
    • 15.4 Signal Description
    • 15.5 Product Dependencies
      • 15.5.1 I/O Lines
      • 15.5.2 Power Management
      • 15.5.3 Clocks
      • 15.5.4 DMA
      • 15.5.5 Interrupts
      • 15.5.6 Events
      • 15.5.7 Debug Operation
      • 15.5.8 Register Access Protection
      • 15.5.9 Analog Connections
    • 15.6 Functional Description
    • 15.7 Additional Features
    • 15.8 Sleep Mode Operation
    • 15.9 Synchronization
    • 15.10 Register Summary
    • 15.11 Register Description
  • 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
  • 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

15.5.1 I/O Lines

Using the GCLK I/O lines requires the I/O pins to be configured.

References:

PORT - I/O Pin Controller

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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