SLAAEG7 April   2024 TAC5111 , TAC5111-Q1 , TAC5112 , TAC5112-Q1 , TAC5211 , TAC5212 , TAC5212-Q1 , TAD5112 , TAD5112-Q1 , TAD5212 , TAD5212-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Headset Plugs and Connection Diagrams
    1. 1.1 Part I: Pseudo-Differential (Capacitor-less) Headset Output Configuration
      1. 1.1.1 Detection Block, Capacitor-less Interface
      2. 1.1.2 How to Determine the Comparator Threshold V1 and V2 (Capacitor-less Interface)
      3. 1.1.3 How Does the Bias Voltage Vary With Detection Mode?
      4. 1.1.4 Detection Sequence – Capacitor-less Interface
    2. 1.2 Part II: AC-Coupled Stereo Headset Output Configuration – Capacitor Interface
      1. 1.2.1 Detection Block – Capacitor Interface
      2. 1.2.2 How to Determine the Comparator Threshold V1 and V2 – Capacitor Interface
      3. 1.2.3 How Does the Bias Voltage Change With Detection Mode?
      4. 1.2.4 Detection Sequence – Capacitor Interface
  5. 2Example for a Pseudo-Differential (Capacitor-less) Output Configuration
  6. 3Example for an AC-Coupled (Capacitor) Output Configuration
  7. 4Flowchart for Pseudo-Differential (Capacitor-less) Output Configuration
  8. 5Flowchart for AC-Coupled (Capacitor) Output Configuration
  9. 6Summary
  10. 7References

5 Flowchart for AC-Coupled (Capacitor) Output Configuration

GUID-20231129-SS0I-MJMF-MCRW-5XH7XDSCF4NP-low.svgFigure 5-1 Flowchart for Insertion Detection and Headset-Type Detection
GUID-20231211-SS0I-WTQQ-ZJRM-D4XSXDCQB4DK-low.jpgFigure 5-2 Pulse Scheme

DET_PULSE, which is generated using an internal oscillator, is used for hook button detection. DET_PULSE frequency is 0.5HZ,1Hz,7.5HZ or 15Hz based on reg map control with the high time of 4 or 32 ms based on capacitor value on MICBIAS.