# Acronyms and terms

Source: [https://docs.qualcomm.com/doc/80-88500-1/topic/116_Acronyms_and_terms.html](https://docs.qualcomm.com/doc/80-88500-1/topic/116_Acronyms_and_terms.html)

| Acronym or term | Expansion |
| --- | --- |
| AEC | Automatic exposure control |
| BPS | Bayer processing segment |
| BLSP | BAM-enabled low-speed peripheral |
| CCI | Camera control interface |
| CHI | Camera HAL interface |
| CID | Channel identifier |
| DT | Data type |
| GENI | Generic serial interface |
| GPI | General purpose interface |
| GPIO | General purpose input/output |
| GSI | Generic software interface |
| IFE | Imaging front end |
| IMU | Inertial measurement unit |
| ISR | Interrupt service routine |
| MISO | Master input slave output |
| OTP | One-time programmable |
| PD | Phase difference |
| QCFA | Quadra color filter arrangement |
| SE | Serial engine |
| SPI | Serial peripheral interface |
| SSC | Sensors core |
| UART | Universal asynchronous receiver/transmitter |
| VC | Virtual channel |

**Parent Topic:** [References](https://docs.qualcomm.com/doc/80-88500-1/topic/114_References.html)

Last Published: Aug 18, 2023

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