This note describes quantization noise and how it can effect biquads in particular VERSION RELEASED COMMENTS DOCUMENTATION SOFTWARE 1.0.0 2024-10-17 VIEW HTML VIEW PDF ZIP INFO Category: AudioKeywords: biquadBSP Overview# The difference between the ideal mathematical value and the actual value as processed in fixed-point arithmetic is known as quantization noise. There are many factors […]
This note describes how to use external memory on XCORE.AI VERSION RELEASED COMMENTS DOCUMENTATION SOFTWARE 1.0.0 2024-10-16 VIEW HTML VIEW PDF ZIP INFO Category: CoreKeywords: LPDDRmemcpyHardware: XK-EVK-XU316 Overview# This note describes how to use external memory on xcore.ai. It contains example code that optimises reads and writes. Key Features# Fast memcpy Known Issues# None Required
This note describes how to estimate power consumption of xcore.ai based applications VERSION RELEASED COMMENTS DOCUMENTATION SOFTWARE 1.0.0 2024-09-26 VIEW HTML VIEW PDF INFO Category: CoreKeywords: clockingPLLpowerHardware: XK-EVK-XU316 Overview# This note describes how to estimate power consumption of xcore.ai based applications and methods for optimising for power. Key Features# Documentation of power consumption figures Documentation
How to control xcore.ai PLL’s VERSION RELEASED COMMENTS DOCUMENTATION SOFTWARE 1.1.0 2024-09-23 VIEW HTML VIEW PDF ZIP INFO Category: CoreKeywords: clockingLPDDRMIPIPLLpowerHardware: XK-EVK-XU316 Overview# This note describes the PLLs in xcore.ai devices and how to control them. Key Features# Documentation of System and Secondary (‘Application’) PLLs Documentation of clocking LPDDR/MIPI Example application demonstrating the various concepts
This note describes building an SPDIF/ADAT/I²S slave to I²S converter using ASRC VERSION RELEASED COMMENTS DOCUMENTATION SOFTWARE v1.1.0 2024-11-21 VIEW HTML VIEW PDF ZIP INFO Category: AudioKeywords: ADATASRCI2SS/PDIFSRCUACUSBHardware: XK-AUDIO-316-MC Overview# This note describes the authoring of a ADAT/SPDIF/I²S to I²S converter/bridge. Asynchronous sample rate conversion (ASRC) is employed in order to bridge the two differing
USB Audio application with AWE stack VERSION RELEASED COMMENTS DOCUMENTATION SOFTWARE 1.0.2 2024-08-22 VIEW HTML VIEW PDF ZIP INFO Category: AudioKeywords: AudioAudioWeaverDSPUACUSBHardware: XK-AUDIO-316-MC Overview# This application note describes firmware that provides a high-speed USB Audio device designed to be compliant to version 2.0 of the USB Audio Class Specification based on the xcore.ai device. Output