SLOS751D March   2013  – November 2018 DRV2667

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Simplified Schematic
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Support for Haptic Piezo Actuators
      2. 7.3.2  Flexible Front End Interface
      3. 7.3.3  Ramp Down Behavior
      4. 7.3.4  Low Latency Startup
      5. 7.3.5  Low Power Standby Mode
      6. 7.3.6  Device Reset
      7. 7.3.7  Amplifier Gain
      8. 7.3.8  Adjustable Boost Voltage
      9. 7.3.9  Adjustable Current Limit
      10. 7.3.10 Internal Charge Pump
      11. 7.3.11 Device Protection
        1. 7.3.11.1 Thermal Protection
        2. 7.3.11.2 Overcurrent Protection
        3. 7.3.11.3 Brownout Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 FIFO Mode
        1. 7.4.1.1 Waveform Timeout
      2. 7.4.2 Direct Playback from RAM Mode
      3. 7.4.3 Waveform Synthesis Playback Mode
      4. 7.4.4 Waveform Sequencer
      5. 7.4.5 Analog Playback Mode
      6. 7.4.6 Low Voltage Operation Mode
    5. 7.5 Programming
      1. 7.5.1 Programming the Boost Voltage
      2. 7.5.2 Programming the Boost Current Limit
      3. 7.5.3 Programming the RAM
        1. 7.5.3.1 Accessing the RAM
        2. 7.5.3.2 RAM Format
          1. 7.5.3.2.1 Programming the Waveform Sequencer
      4. 7.5.4 I2C Interface
        1. 7.5.4.1 General I2C Operation
        2. 7.5.4.2 Single-Byte and Multiple-Byte Transfers
        3. 7.5.4.3 Single-Byte Write
        4. 7.5.4.4 Multiple-Byte Write and Incremental Multiple-Byte Write
        5. 7.5.4.5 Single-Byte Read
        6. 7.5.4.6 Multiple-Byte Read
    6. 7.6 Register Map
      1. 7.6.1  Address: 0x00
        1. Table 5. Address: 0x00
      2. 7.6.2  Address: 0x01
        1. Table 6. Address: 0x01
      3. 7.6.3  Address: 0x02
        1. Table 7. Address: 0x02
      4. 7.6.4  Address: 0x03
        1. Table 8. Address: 0x03
      5. 7.6.5  Address: 0x04
        1. Table 9. Address: 0x04
      6. 7.6.6  Address: 0x05
        1. Table 10. Address: 0x05
      7. 7.6.7  Address: 0x06
        1. Table 11. Address: 0x06
      8. 7.6.8  Address: 0x07
        1. Table 12. Address: 0x07
      9. 7.6.9  Address: 0x08
        1. Table 13. Address: 0x08
      10. 7.6.10 Address: 0x09
        1. Table 14. Address: 0x09
      11. 7.6.11 Address: 0x0A
        1. Table 15. Address: 0x0A
      12. 7.6.12 Address: 0x0B
        1. Table 16. Address: 0x0B
      13. 7.6.13 Address: 0xFF
        1. Table 17. Address: 0xFF
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Inductor Selection
        2. 8.2.2.2 Piezo Actuator Selection
        3. 8.2.2.3 Boost Capacitor Selection
        4. 8.2.2.4 Bulk Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 Initialization Setup
      1. 8.3.1 Initialization Procedure
      2. 8.3.2 Typical Usage Examples
        1. 8.3.2.1 Single Click or Alert Example
        2. 8.3.2.2 Library Storage Example
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

Programming the Waveform Sequencer

To play the effects stored in memory, the effects must be loaded into the waveform sequencer. The effects can then be launched by the use of the GO bit.

The waveform sequencer queues up to eight waveform identifiers for playback. A waveform identifier is an integer value referring to the index position of a waveform in the Header Block (see Figure 26). Upon assertion of the GO bit, playback begins at register 0x03. When playback of that waveform ends, the waveform sequencer plays the next waveform identifier in register 0x04 if the identifier stored in register 0x04 is non-zero. Th waveform sequencer continues in this way until the sequencer reaches an identifier value of zero or until all eight identifiers are played as shown in Figure 29.

DRV2667 waveform_sequencer_slos905.gifFigure 29. Waveform Sequencer