USB HOST DRIVER V03 Freescale Semiconductor / Motorola, USB HOST DRIVER V03 Datasheet - Page 118
USB HOST DRIVER V03
Manufacturer Part Number
USB HOST DRIVER V03
Description
USB Host Driver v03
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.USB_HOST_DRIVER_V03.pdf
(160 pages)
- Current page: 118 of 160
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7. Appendix 1: USB Audio Sample for
7.1. Introduction.
7.1.1.
The following describes a very small application for isochronous transfers demonstration
from Host to Device, and from Device to Host. It is designed especially for Motorola
ColdFire5272 USB Protocol Stack audio sample (see [3]) firmware. The Client
application demonstrates how the ColdFire firmware Driver handles control and
isochronous transfers. The MCF5272 USB Driver and audio sample Client firmware
components work together on the Device, to perform PCM samples loop-back using
simultaneous isochronous transfers through isochronous IN/OUT endpoints. The
application is capable of demonstrating the Stand-Alone and uClinux versions of the
Device-side firmware component, due to USB protocol transparency. Additionally the
application demonstrates a working MOTUSB Driver and dynamic link library software
components on the Host side.
7.1.2.
Hardware:
Software:
7.1.3.
M
MCF5272.
Single CPU Intel i386 based PC (> 600mHz) with Open Host Controller or
Universal Host Controller.
Sound adapter with
OS: Windows 2000 Professional
MOTUSB Driver for USB Audio Sample Device installed
Demonstrates that isochronous ColdFire 5272 USB firmware can meet real time
requirements.
Able to show how Device processes missed frame tokens (by using
utility).
Shows Device s/w can process Isochronous IN and Isochronous OUT transfers
transactions simultaneously.
Shows how Device s/w can process Control and Isochronous transfers
transactions Simultaneously.
o 44.1 kHz and 8 kHz sample rates supported
o Line-In or Mic-In sockets
Overview.
System Requirements.
Application Capabilities.
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Appendix 1:USB Audio Sample for MCF5272.
syshalt
7-1
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