# Acronyms and terms

Source: [https://docs.qualcomm.com/doc/80-70014-251/topic/acronyms_and_terms.html](https://docs.qualcomm.com/doc/80-70014-251/topic/acronyms_and_terms.html)

List of acronymns and terms used in this document.

| **Acronym or term** | **Definition** |
| :---: | :---: |
| DMIC | Digital microphone interface |
| EDL/QDL | Emergency download mode or Qualcomm download mode |
| GMSL | Gigabit multimedia serial links |
| GPIO | General-purpose input/output |
| QUP | Qualcomm universal peripheral |
| SoC | System-on-chip |
| SoM | System-on-module |
| UART | Universal asynchronous receiver/transmitter |

**Parent Topic:** [References](https://docs.qualcomm.com/doc/80-70014-251/topic/references.html)

Last Published: Jan 28, 2026

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