Cirrus Logic CRD49530-USB - Manual (Page 38)

Obtaining Schematic Updates
CRD49530-USB User’s Manual
DS705RD3 Copyright 2008 Cirrus Logic 5-5
The DC input power jumper (J3) is used to bring the main 9 to 12V DC supply voltage from the control
connector (J11) rather than the standard DC input connector (J25). This jumper is not populated on the
board, and is intended only for special applications. J3 should not be used in normal operation.
5.3 Obtaining Schematic Updates
Updates to the schematics for the CRD49530 Development Board can be can be obtained from your local
Cirrus Logic representative as part of a design package including the associated BOM, and layout
artwork. The schematics are provided in Adobe’s portable document format (PDF) and PADS
™
format.
The schematics included in this document are the original Revision A schematics of the CRD49530 and
reflects the board as it was manufactured. Newer schematics may be available that incorporate feature
additions or corrections, and may not match Rev. A hardware.