i.MX RT500
NXP
The i.MX RT500 includes a DSP processor core which is Cadence Xtensa Fusion F1 Audio DSP processor, running at frequencies of up to 200 MHz.
Application NoteNxp
i.MX RT500 DSP Enablement: XOS Use Cases
A technical guide for implementing the Xtensa Embedded OS (XOS) on the i.MX RT500's Cadence Xtensa Fusion F1 Audio DSP for voice and audio processing applications.
Overview
This application note provides detailed guidance on using the XOS embedded kernel with the Cadence Xtensa Fusion F1 Audio DSP integrated into the NXP i.MX RT500 crossover MCU. It covers core system operations and thread management, specifically detailing the implementation of conditions, events, timer interrupts, semaphores, and message queues. The document includes information on XOS initialization, library linking within the Xplorer IDE, thread state transitions (Ready, Running, Blocked), and sample code to facilitate efficient audio processing and low-power voice trigger development.
Use Cases
- Low-energy voice trigger for always-on listening
- Audio codec pre-processing and post-processing
- Real-time thread management on Xtensa architecture
- Embedded DSP system synchronization using events and semaphores
- High-efficiency audio signal processing
Topics
NXP
i.MX RT500
Xtensa Fusion F1
Audio DSP
XOS
Xtensa Embedded OS
DSP Enablement
Thread Management
Crossover MCU
Voice Trigger
Referenced Parts
| i.MX RT500 | NXP | The i.MX RT500 includes a DSP processor core which is Cadence Xtensa Fusion F1 Audio DSP processor, running at frequencies of up to 200 MHz. |