BC41B143A-ds-003Pc CSR, BC41B143A-ds-003Pc Datasheet - Page 63
BC41B143A-ds-003Pc
Manufacturer Part Number
BC41B143A-ds-003Pc
Description
Blue Core ROM Plug-n-Go
Manufacturer
CSR
Datasheet
1.BC41B143A-DS-003PC.pdf
(94 pages)
- Current page: 63 of 94
- Download datasheet (3Mb)
Device Terminal Descriptions
10.5.9 USB 1.1 Compliance
BlueCore4-ROM Plug-n-Go is qualified to the USB Specification v1.1, details of which are available from www.usb.org.
The specification contains valuable information on aspects such as PCB track impedance, supply inrush current and
product labelling.
Although BlueCore4-ROM Plug-n-Go meets the USB specification, CSR cannot guarantee that an application circuit
designed around the chip is USB compliant. The choice of application circuit, component choice and PCB layout all
affect USB signal quality and electrical characteristics. The information in this document is intended as a guide and
should be read in association with the USB specification, with particular attention being given to Chapter 7.
Independent USB qualification must be sought before an application is deemed USB compliant and can bear the USB
logo. Such qualification can be obtained from a USB plugfest or from an independent USB test house.
Terminals USB_DP and USB_DN adhere to the USB specification v2.0 (Chapter 7) electrical requirements.
10.5.10 USB 2.0 Compatibility
BlueCore4-ROM Plug-n-Go is compatible with USB v2.0 host controllers; under these circumstances the two ends
agree the mutually acceptable rate of 12Mbits/s according to the USB v2.0 specification.
Advance Information
BC41B143A-ds-003Pc
Page 63 of 94
© Cambridge Silicon Radio Limited 2005
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