XMOS xCORE-200 Multi-channel Audio board Manuals

Manuals and User Guides for XMOS xCORE-200 Multi-channel Audio board. We have 2 XMOS xCORE-200 Multi-channel Audio board manuals available for free PDF download: Design Manual, Quick Start Manual

XMOS xCORE-200 Multi-channel Audio board Design Manual

XMOS xCORE-200 Multi-channel Audio board Design Manual (112 pages)

USB Audio

Brand: XMOS | Category: Computer Hardware | Size: 3.93 MB

Table of Contents

Table of Contents
3
1 Overview

6
2 Hardware Platforms

8
- Xcore-200 Multi-Channel Audio Board
  8
  - Analogue Input & Output
    9
  - Digital Input & Output
    9
  - MIDI
    9
  - Audio Clocking
    9
  - Leds, Buttons and Other IO
    9
- Xcore-200 Microphone Array Board
  10
  - Microphones
    11
  - Analogue Output
    11
  - Audio Clocking
    12
  - Buttons, Leds and Other IO
    12
- USB Multi-Function Audio (MFA) Kit
  14
- U16 Multi-Channel USB Audio Kit
  15
- USB Audio 2.0 DJ Kit
  16
- USB Audio 2.0 Reference Design Board
  16
- USB Audio 2.0 Multichannel Reference Design Board
  17
3 Software Architecture

19
- The USB Audio System Architecture
  20
- XMOS USB Device (XUD) Library
  20
- Endpoint 0: Management and Control
  22
  - Enumeration
    22
  - Over-Riding Standard Requests
    23
  - Class Requests
    23
- Audio Endpoints (Endpoint Buﬀer and Decoupler)
  24
  - Endpoint Buﬀer
    24
  - Decoupler
    25
  - Audio Buﬀering Scheme
    25
  - Decoupler/Audio Core Interaction
    25
- Audio Driver
  27
  - Port Conﬁguration (Xcore Master)
    29
  - Changing Audio Sample Frequency
    30
- Digital Mixer
  30
  - Control
    31
  - Host Control
    31
- S/PDIF Transmit
  33
  - Clocking
    34
  - Usage
    35
  - Output Stream Structure
    35
- S/PDIF Receive
  35
  - Usage and Integration
    36
- ADAT Receive
  37
- Integration
  38
- External Clock Recovery (Clockgen)
  38
- MIDI
  39
- PDM Microphones
  39
- Overview of PDM Implemention
  39
  - PDM Microphone Hardware Characteristics
    40
  - Integration of PDM Microphones into USB Audio
    41
- Resource Usage
  42
4 Features & Options

43
- Device Firmware Upgrade (DFU)
  43
- USB Audio Class Version Support
  43
  - Driver Support
    44
  - Audio Class 1.0 Mode and Fall-Back
    44
- Audio Controls Via Human Interface Device (HID)
  45
- Apple Mfi Compatibility
  46
- Audio Stream Formats
  46
  - Audio Subslot
    47
  - Audio Sample Resolution
    47
  - Audio Format
    48
- DSD over PCM (Dop)
  48
5 Programming Guide

50
- Getting Started
  50
  - Building and Running
    50
  - Installing the Application Onto Flash
    51
- Project Structure
  52
  - Applications and Modules
    52
- Build Conﬁgurations
  52
- Validated Build Conﬁgurations
  53
- Conﬁguration Naming Scheme
  53
- A USB Audio Application
  53
  - Custom Deﬁnes
    54
  - Conﬁguration Functions
    55
  - The Main Program
    57
- Adding Custom Code
  60
  - Example: Changing Output Format
    61
  - Example: Adding DSP to Output Stream
    61
6 USB Audio Applications

63
- USB Audio 2.0 Reference Design (L-Series) Application
  63
  - Port 32A
    64
  - Clocking
    65
  - Hid
    66
  - Validated Build Options
    67
- The USB Audio 2.0 DJ Kit (U-Series)
  68
  - Clocking and Clock Selection
    69
  - CODEC Conﬁguration
    69
  - U-Series ADC
    69
  - HID Example
    69
  - Validated Build Options
    70
- The USB Audio 2.0 Multichannel Reference Design (L-Series) Software
  71
- Clocking
  73
- Validated Build Options
  73
- The Multi-Function Audio Kit (U-Series)
  74
- Clocking and Clock Selection
  74
  - DAC and ADC Conﬁguration
    75
  - U-Series ADC
    75
  - HID Example
    75
  - Validated Build Options
    78
- The U-Series Multi-Channel USB Audio Kit
  79
  - Clocking and Clock Selection
    79
  - DAC and ADC Conﬁguration
    80
  - Audiohwinit()
    80
  - Audiohwconﬁg()
    80
  - Validated Build Options
    81
- The Xcore-200 Multi-Channel Audio Board
  81
  - Clocking and Clock Selection
    82
  - DAC and ADC Conﬁguration
    82
  - Audiohwinit()
    83
  - Audiohwconﬁg()
    83
  - Validated Build Options
    84
- The Xcore-200 Array Microphone Board
  84
  - Clocking and Clock Selection
    85
  - DAC Conﬁguration
    86
  - Audiohwinit()
    86
  - Audiohwconﬁg()
    86
  - MIC Processing Example
    86
  - Validated Build Options
    87
7 Api

88
- Conﬁguration Deﬁnes
  88
  - Code Location (Tile)
    88
  - Channel Counts
    89
  - Frequencies and Clocks
    89
  - Audio Class
    90
  - System Feature Conﬁguration
    91
  - USB Device Conﬁguration
    93
  - Stream Formats
    94
  - Volume Control
    98
  - Mixing Parameters
    99
  - Power
    100
- Required User Function Deﬁnitions
  100
  - External Audio Hardware Conﬁguration Functions
    100
  - Audio Streaming Functions
    101
  - Host Active
    101
  - HID Controls
    102
- Component API
  102
8 Frequently Asked Questions

112

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XMOS xCORE-200 Multi-channel Audio board Quick Start Manual

XMOS xCORE-200 Multi-channel Audio board Quick Start Manual (8 pages)

Clock Frequency Control

Brand: XMOS | Category: Network Hardware | Size: 0.29 MB

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