Detailed account of the combination of philips in S3C44B0 company USB1.1 interface chip PDIUSBD12 chip development process, detailed source notes, for the understanding and development of USB has a great help.

ARM_USB
.......\44B.H
.......\44BINIT.S
.......\44BLIB.C
.......\44BLIB.H
.......\ARM_USB.mcp
.......\ARM_USB_Data
.......\............\CWSettingsWindows.stg
.......\............\DebugRel
.......\............\........\ARM_USB.axf
.......\............\........\ObjectCode
.......\............\........\..........\44BINIT.o
.......\............\........\..........\44BLIB.o
.......\............\........\..........\D12Int.o
.......\............\........\..........\D12OP.o
.......\............\........\..........\MAIN.o
.......\............\........\TargetDataWindows.tdt
.......\D12Def.H
.......\D12Int.c
.......\D12OP.C
.......\def.h
.......\MAIN.C
.......\MEMCFG.inc
.......\Option.h
.......\OPTION.inc
.......\usbdesc.h

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