SWAS035C September   2016  – May 2021 CC3220R , CC3220S , CC3220SF


  1. Features
  2. Applications
  3. Description
  4. Functional Block Diagrams
  5. Revision History
  6. Device Comparison
    1. 6.1 Related Products
  7. Terminal Configuration and Functions
    1. 7.1 Pin Diagram
    2. 7.2 Pin Attributes and Pin Multiplexing
      1. 7.2.1 Pin Descriptions
    3. 7.3 Signal Descriptions
      1. 7.3.1 Signal Descriptions
    4. 7.4 Pin Multiplexing
    5. 7.5 Drive Strength and Reset States for Analog and Digital Multiplexed Pins
    6. 7.6 Pad State After Application of Power to Chip But Before Reset Release
    7. 7.7 Connections for Unused Pins
  8. Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Power-On Hours (POH)
    4. 8.4  Recommended Operating Conditions
    5. 8.5  Current Consumption Summary (CC3220R, CC3220S)
    6. 8.6  Current Consumption Summary (CC3220SF)
    7. 8.7  TX Power and IBAT versus TX Power Level Settings
    8. 8.8  Brownout and Blackout Conditions
    9. 8.9  Electrical Characteristics (3.3 V, 25°C)
    10. 8.10 WLAN Receiver Characteristics
    11. 8.11 WLAN Transmitter Characteristics
    12. 8.12 WLAN Filter Requirements
      1. 8.12.1 WLAN Filter Requirements
    13. 8.13 Thermal Resistance Characteristics
      1. 8.13.1 Thermal Resistance Characteristics for RGK Package
    14. 8.14 Timing and Switching Characteristics
      1. 8.14.1 Power Supply Sequencing
      2. 8.14.2 Device Reset
      3. 8.14.3 Reset Timing
        1. nRESET (32-kHz Crystal)
        2. First-Time Power-Up and Reset Removal Timing Requirements (32-kHz Crystal)
        3. nRESET (External 32-kHz)
          1. First-Time Power-Up and Reset Removal Timing Requirements (External 32-kHz)
      4. 8.14.4 Wakeup From HIBERNATE Mode
      5. 8.14.5 Clock Specifications
        1. Slow Clock Using Internal Oscillator
          1. RTC Crystal Requirements
        2. Slow Clock Using an External Clock
          1. External RTC Digital Clock Requirements
        3. Fast Clock (Fref) Using an External Crystal
          1. WLAN Fast-Clock Crystal Requirements
        4. Fast Clock (Fref) Using an External Oscillator
          1. External Fref Clock Requirements (–40°C to +85°C)
      6. 8.14.6 Peripherals Timing
        1.  SPI
          1. SPI Master
            1. SPI Master Timing Parameters
          2. SPI Slave
            1. SPI Slave Timing Parameters
        2.  I2S
          1. I2S Transmit Mode
            1. I2S Transmit Mode Timing Parameters
          2. I2S Receive Mode
            1. I2S Receive Mode Timing Parameters
        3.  GPIOs
          1. GPIO Output Transition Time Parameters (Vsupply = 3.3 V)
            1. GPIO Output Transition Times (Vsupply = 3.3 V) (1) (1)
          2. GPIO Output Transition Time Parameters (Vsupply = 1.85 V)
            1. GPIO Output Transition Times (Vsupply = 1.85 V) (1) (1)
          3. GPIO Input Transition Time Parameters
            1. GPIO Input Transition Time Parameters'
        4.  I2C
          1. I2C Timing Parameters (1)
        5.  IEEE 1149.1 JTAG
          1. JTAG Timing Parameters
        6.  ADC
          1. ADC Electrical Specifications
        7.  Camera Parallel Port
          1. Camera Parallel Port Timing Parameters
        8.  UART
        9.  SD Host
        10. Timers
  9. Detailed Description
    1. 9.1 Arm® Cortex®-M4 Processor Core Subsystem
    2. 9.2 Wi-Fi Network Processor Subsystem
      1. 9.2.1 WLAN
      2. 9.2.2 Network Stack
    3. 9.3 Security
    4. 9.4 Power-Management Subsystem
      1. 9.4.1 VBAT Wide-Voltage Connection
      2. 9.4.2 Preregulated 1.85-V Connection
    5. 9.5 Low-Power Operating Mode
    6. 9.6 Memory
      1. 9.6.1 External Memory Requirements
      2. 9.6.2 Internal Memory
        1. SRAM
        2. ROM
        3. Flash Memory
        4. Memory Map
    7. 9.7 Restoring Factory Default Configuration
    8. 9.8 Boot Modes
      1. 9.8.1 Boot Mode List
  10. 10Applications, Implementation, and Layout
    1. 10.1 Application Information
      1. 10.1.1 Typical Application —CC3220x Wide-Voltage Mode
      2. 10.1.2 Typical Application Schematic—CC3220x Preregulated, 1.85-V Mode
    2. 10.2 PCB Layout Guidelines
      1. 10.2.1 General PCB Guidelines
      2. 10.2.2 Power Layout and Routing
        1. Design Considerations
      3. 10.2.3 Clock Interfaces
      4. 10.2.4 Digital Input and Output
      5. 10.2.5 RF Interface
  11. 11Device and Documentation Support
    1. 11.1 Development Tools and Software
    2. 11.2 Firmware Updates
    3. 11.3 Device Nomenclature
    4. 11.4 Documentation Support
    5. 11.5 Support Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Export Control Notice
    9. 11.9 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Packaging Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Documentation Support

To receive notification of documentation updates—including silicon errata—go to the product folder for your device on ti.com (CC3220). In the upper right corner, click the "Alert me" button. This registers you to receive a weekly digest of product information that has changed (if any). For change details, check the revision history of any revised document. The current documentation that describes the processor, related peripherals, and other technical collateral follows.

The following documents provide support for the CC3220 device.


    CC3220R, CC3220S Silicon ErrataThis document describes the known exceptions to the functional specifications for the CC3220R and the CC3220S SimpleLink™ Wi-Fi® Wireless and Internet-of-Things Solution, a Single-Chip Wireless MCU.
    CC3220SF Silicon ErrataThis document describes the known exception to the functional specifications for the CC3220SF SimpleLink™ Wi-Fi® Wireless and Internet-of-Things Solution, a Single-Chip Wireless MCU.


Application Reports

    SimpleLink™ CC3120, CC3220 Wi-Fi® Internet-on-a chip™ Solution Built-In Security FeaturesThe SimpleLink™ Wi-Fi® CC3120 and CC3220 Internet-on-a chip™ family of devices from Texas Instruments™ offer a wide range of built-in security features to help developers address a variety of security needs, which is achieved without any processing burden on the main microcontroller (MCU). This document describes these security-related features and provides recommendations for leveraging each in the context of practical system implementation.
    Using Serial Flash on SimpleLink™ CC3120 and CC3220 Wi-Fi® and Internet-of-Things DevicesThis application note is divided into two parts. The first part provides important guidelines and best- practice design techniques to consider when choosing and embedding a serial Flash paired with the CC3120 and CC3220 (CC3x20) devices. The second part describes the file system, along with guidelines and considerations for system designers working with the CC3x20 devices.

User's Guides

    SimpleLink™ Wi-Fi® and Internet of Things CC3120 and CC3220 Network Processor This document provides software (SW) programmers with all of the required knowledge for working with the networking subsystem of the SimpleLink™ Wi-Fi® devices. This guide provides basic guidelines for writing robust, optimized networking host applications, and describes the capabilities of the networking subsystem. The guide contains some example code snapshots, to give users an idea of how to work with the host driver. More comprehensive code examples can be found in the formal software development kit (SDK). This guide does not provide a detailed description of the host driver APIs.
    SimpleLink™ Wi-Fi® CC3120 and CC3220 and IoT Solution Layout Guidelines This document provides the design guidelines of the 4-layer PCB used for the CC3120 and CC3220 SimpleLink™ Wi-Fi® family of devices from Texas Instruments™. The CC3120 and CC3220 devices are easy to lay out and are available in quad flat no-leads (QFNS) packages. When designing the board, follow the suggestions in this document to optimize performance of the board.
    SimpleLink™ Wi-Fi® and Internet of Things Solution CC3220, a Single-Chip Wireless MCU This guide is intended to assist users in the initial setup and demonstration of running their first sample application for the CC3220, CC3220S, CC3220SF SimpleLink™ Wi-Fi® and Internet of Things Solution, a Single-Chip Wireless MCU from Texas Instruments™. The guide explains how to install the software development kit (SDK) and various other tools required to get started with the first application.
    SimpleLink™ CC3220 Wi-Fi® LaunchPad™ Development Kit Hardware The CC3220 SimpleLink LaunchPad™ Development Kit (CC3220-LAUNCHXL) is a low-cost evaluation platform for Arm® Cortex®-M4-based MCUs. The LaunchPad design highlights the CC3220 Internet-on-a chip™ solution and Wi-Fi capabilities. The CC3220 LaunchPad also features temperature and accelerometer sensors, programmable user buttons, three LEDs for custom applications, and onboard emulation for debugging. The stackable headers of the CC3220 LaunchPad XL interface demonstrate how easy it is to expand the functionality of the LaunchPad when interfacing with other peripherals on many existing BoosterPack™ Plug-in Module add-on boards, such as graphical displays, audio codecs, antenna selection, environmental sensing, and more.
    SimpleLink™ Wi-Fi® and Internet of Things CC3220 This document introduces the user to the environment setup for the CC3220x device, along with some reference examples from the software development kit (SDK). This document explains both the platform and the framework available to enable further application development.
    SimpleLink™ Wi-Fi® CC3220 Out-of-Box Application This guide demonstrates the out-of-box experience for the CC3220 LaunchPad™ Development Kit, highlighting the easy connection to the CC3220 LaunchPad using the SimpleLink™ Wi-Fi® Starter Pro application, and the over-the-air update.
    SimpleLink™ Wi-Fi® and Internet-on-a-chip™ CC3120 and CC3220 Solution Radio Tool The Radio Tool serves as a control panel for direct access to the radio, and can be used for both the radio frequency (RF) evaluation and for certification purposes. This guide describes how to have the tool work seamlessly on Texas Instruments™ evaluation platforms such as the BoosterPack™ plus FTDI emulation board for CC3120 devices, and the LaunchPad™ for CC3220 devices.

More Literature

    CC3220, CC3220S, CC3220SF SimpleLink™ Wi-Fi® and Internet of Things This technical reference manual details the modules and peripherals of the SimpleLink™ CC32xx wireless MCU. Each description presents the module or peripheral in a general sense. Not all features and functions of all modules or peripherals may be present on all devices. Pin functions, internal signal connections, and operational parameters differ from device to device. The user should consult the device-specific data sheet for these details.