SWAS035C September   2016  – May 2021 CC3220R , CC3220S , CC3220SF

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Functional Block Diagrams
  5. 5 Revision History
  6. 6 Device Comparison
    1. 6.1 Related Products
  7. 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. 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. 8.14.3.1 nRESET (32-kHz Crystal)
        2. 8.14.3.2 First-Time Power-Up and Reset Removal Timing Requirements (32-kHz Crystal)
        3. 8.14.3.3 nRESET (External 32-kHz)
          1. 8.14.3.3.1 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. 8.14.5.1 Slow Clock Using Internal Oscillator
          1. 8.14.5.1.1 RTC Crystal Requirements
        2. 8.14.5.2 Slow Clock Using an External Clock
          1. 8.14.5.2.1 External RTC Digital Clock Requirements
        3. 8.14.5.3 Fast Clock (Fref) Using an External Crystal
          1. 8.14.5.3.1 WLAN Fast-Clock Crystal Requirements
        4. 8.14.5.4 Fast Clock (Fref) Using an External Oscillator
          1. 8.14.5.4.1 External Fref Clock Requirements (–40°C to +85°C)
      6. 8.14.6 Peripherals Timing
        1. 8.14.6.1  SPI
          1. 8.14.6.1.1 SPI Master
            1. 8.14.6.1.1.1 SPI Master Timing Parameters
          2. 8.14.6.1.2 SPI Slave
            1. 8.14.6.1.2.1 SPI Slave Timing Parameters
        2. 8.14.6.2  I2S
          1. 8.14.6.2.1 I2S Transmit Mode
            1. 8.14.6.2.1.1 I2S Transmit Mode Timing Parameters
          2. 8.14.6.2.2 I2S Receive Mode
            1. 8.14.6.2.2.1 I2S Receive Mode Timing Parameters
        3. 8.14.6.3  GPIOs
          1. 8.14.6.3.1 GPIO Output Transition Time Parameters (Vsupply = 3.3 V)
            1. 8.14.6.3.1.1 GPIO Output Transition Times (Vsupply = 3.3 V) (1) (1)
          2. 8.14.6.3.2 GPIO Output Transition Time Parameters (Vsupply = 1.85 V)
            1. 8.14.6.3.2.1 GPIO Output Transition Times (Vsupply = 1.85 V) (1) (1)
          3. 8.14.6.3.3 GPIO Input Transition Time Parameters
            1. 8.14.6.3.3.1 GPIO Input Transition Time Parameters'
        4. 8.14.6.4  I2C
          1. 8.14.6.4.1 I2C Timing Parameters (1)
        5. 8.14.6.5  IEEE 1149.1 JTAG
          1. 8.14.6.5.1 JTAG Timing Parameters
        6. 8.14.6.6  ADC
          1. 8.14.6.6.1 ADC Electrical Specifications
        7. 8.14.6.7  Camera Parallel Port
          1. 8.14.6.7.1 Camera Parallel Port Timing Parameters
        8. 8.14.6.8  UART
        9. 8.14.6.9  SD Host
        10. 8.14.6.10 Timers
  9. 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. 9.6.2.1 SRAM
        2. 9.6.2.2 ROM
        3. 9.6.2.3 Flash Memory
        4. 9.6.2.4 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. 10.2.2.1 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

7.2 Pin Attributes and Pin Multiplexing

The device makes extensive use of pin multiplexing to accommodate the large number of peripheral functions in the smallest possible package. To achieve this configuration, pin multiplexing is controlled using a combination of hardware configuration (at device reset) and register control.

Note:

TI highly recommends using Pin Mux Tool to obtain the desired pinout.

The board and software designers are responsible for the proper pin multiplexing configuration. Hardware does not ensure that the proper pin multiplexing options are selected for the peripherals or interface mode used.

Section 7.2.1 and Table 7-1 list the pin descriptions and attributes. Section 7.3.1 lists the signal descriptions. Table 7-2 presents an overall view of pin multiplexing. All pin multiplexing options are configurable using the pin mux registers.

The following special considerations apply:

  • All I/Os support drive strengths of 2, 4, and 6 mA. The drive strength is individually configurable for each pin.
  • All I/Os support 10-µA pullup and pulldown resistors.
  • The VIO and VBAT supply must be tied together at all times.
  • By default, all I/Os float in the Hibernate state. However, the default state can be changed by SW.
  • All digital I/Os are nonfail-safe.
Note:

If an external device drives a positive voltage to the signal pads and the CC3220x device is not powered, DC is drawn from the other device. If the drive strength of the external device is adequate, an unintentional wakeup and boot of the CC3220x device can occur. To prevent current draw, TI recommends any one of the following conditions:

  • All devices interfaced to the CC3220x device must be powered from the same power rail as the chip.
  • Use level shifters between the device and any external devices fed from other independent rails.
  • The nRESET pin of the CC3220x device must be held low until the VBAT supply to the device is driven and stable.
  • All GPIO pins default to high impedance unless programmed by the MCU. The bootloader sets the TDI, TDO, TCK, TMS, and Flash_SPI pins to mode 1. All the other pins are left in the Hi-Z state.