SWRS284C April   2024  – October 2025 CC3350 , CC3351

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 System Diagram
  6. 5 Pin Configuration and Functions
    1. 5.1 Pin Diagram
    2. 5.2 Pin Attributes
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Electrical Characteristics
    5. 6.5  Thermal Resistance Characteristics
    6. 6.6  WLAN Performance: 2.4GHz Receiver Characteristics
    7. 6.7  WLAN Performance: 2.4GHz Transmitter Power
    8. 6.8  WLAN Performance: 5GHz Receiver Characteristics
    9. 6.9  WLAN Performance: 5GHz Transmitter Power
    10. 6.10 BLE Performance: Receiver Characteristics
    11. 6.11 BLE Performance: Transmitter Characteristics
    12. 6.12 Current Consumption: 2.4GHz WLAN Static Modes
    13. 6.13 Current Consumption: 5GHz WLAN Static Modes
    14. 6.14 Current Consumption: 2.4GHz WLAN Use Cases
    15. 6.15 Current Consumption: 5GHz WLAN Use Cases
    16. 6.16 Current Consumption: BLE Static Modes
    17. 6.17 Current Consumption: BLE Use Cases
    18. 6.18 Current Consumption: Device Modes
    19. 6.19 Timing and Switching Characteristics
      1. 6.19.1 Power Supply Sequencing
      2. 6.19.2 Clocking Specifications
        1. 6.19.2.1 Slow Clock Generated Internally
        2. 6.19.2.2 Slow Clock Using an External Oscillator
          1. 6.19.2.2.1 External Slow Clock Requirements
        3. 6.19.2.3 Fast Clock Using an External Crystal (XTAL)
          1. 6.19.2.3.1 External Fast Clock XTAL Specifications
    20. 6.20 Interface Timing Characteristics
      1. 6.20.1 SDIO Timing Specifications
        1. 6.20.1.1 SDIO Timing Diagram—Default Speed
        2. 6.20.1.2 SDIO Timing Parameters: Default Speed
        3. 6.20.1.3 SDIO Timing Diagram—High Speed
        4. 6.20.1.4 SDIO Timing Parameters: High Speed
      2. 6.20.2 SPI Timing Specifications
        1. 6.20.2.1 SPI Timing Diagram
        2. 6.20.2.2 SPI Timing Parameters
      3. 6.20.3 UART 4-Wire Interface
        1. 6.20.3.1 UART Timing Diagram
        2. 6.20.3.2 UART Timing Parameters
  8. 7 Detailed Description
    1. 7.1 WLAN Features
    2. 7.2 Bluetooth Low Energy Features
  9. 8 Applications, Implementation, and Layout
  10. 9 Device and Documentation Support
    1. 9.1 Third-Party Products Disclaimer
    2. 9.2 Device Nomenclature Boilerplate
    3. 9.3 Tools and Software
    4. 9.4 Documentation Support
    5. 9.5 Support Resources
    6. 9.6 Trademarks
    7. 9.7 Electrostatic Discharge Caution
    8. 9.8 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.20.1 SDIO Timing Specifications

SDIO is the main host interface for WLAN, and supports a maximum clock rate of 52MHz. The CC335x device also supports shared SDIO interface for both BLE and WLAN.