SCAS918E June   2013  – August 2024 CDCE913-Q1 , CDCEL913-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Control Terminal Configuration
      2. 8.3.2 Default Device Configuration
      3. 8.3.3 I2C Serial Interface
      4. 8.3.4 Data Protocol
    4. 8.4 Device Functional Modes
      1. 8.4.1 SDA and SCL Hardware Interface
    5. 8.5 Programming
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Spread-Spectrum Clock (SSC)
        2. 9.2.2.2 PLL Frequency Planning
        3. 9.2.2.3 Crystal Oscillator Start-Up
        4. 9.2.2.4 Frequency Adjustment With Crystal Oscillator Pulling
        5. 9.2.2.5 Unused Inputs and Outputs
        6. 9.2.2.6 Switching Between XO and VCXO Mode
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Register Maps
    1. 10.1 I2C Configuration Registers
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

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

8.5 Programming

Table 8-8 Command Code Definition
BITDESCRIPTION
70 = Block Read or Block Write operation
1 = Byte Read or Byte Write operation
(6:0)Byte offset for Byte Read, Block Read, Byte Write, and Block Write operations
CDCE913-Q1 CDCEL913-Q1 Generic Programming SequenceFigure 8-3 Generic Programming Sequence

CDCE913-Q1 CDCEL913-Q1 Byte Write Protocol
Figure 8-4 Byte Write Protocol
CDCE913-Q1 CDCEL913-Q1 Byte Read ProtocolFigure 8-5 Byte Read Protocol

CDCE913-Q1 CDCEL913-Q1 Block Write Protocol
A. Data byte 0 bits [7:0] is reserved for Revision Code and Vendor Identification. Also, Data byte 0 is used for internal test purpose and must not be overwritten.
Figure 8-6 Block Write Protocol
CDCE913-Q1 CDCEL913-Q1 Block Read ProtocolFigure 8-7 Block Read Protocol
CDCE913-Q1 CDCEL913-Q1 Timing Diagram for I2C Serial Control InterfaceFigure 8-8 Timing Diagram for I2C Serial Control Interface