sl811, usb host ic, the cypress, which contains source, circuit development information, and so on, should be able to develop a

Datasheet
.........\74hc573.pdf
.........\AT89C52.PDF
.........\cy62256.pdf
.........\Iface_Ext_to_SL811HS.pdf
.........\SL811errata.pdf
.........\SL811HS.PDF
.........\sl811hs_appnote.pdf
.........\SL811HS_OTG2.pdf
Document
........\fat32.pdf
........\FAT文件系统的组织结构.pdf
........\mass_storage_bo.pdf
........\mass_storage_cbi.pdf
........\mass_storage_ufi.pdf
........\USB Disk Technic Report For DriveDev.pdf
........\USB11.PDF
Firmware_Keil
.............\AT89X52.H
.............\common.h
.............\Fat.c
.............\Fat.h
.............\Fat.LST
.............\Fat.OBJ
.............\HAL.C
.............\HAL.H
.............\HAL.LST
.............\HAL.OBJ
.............\HPI.C
.............\HPI.H
.............\HPI.LST
.............\HPI.OBJ
.............\ISR.C
.............\ISR.LST
.............\ISR.OBJ
.............\main.c
.............\main.h
.............\main.LST
.............\main.OBJ
.............\Rbc.h
.............\RBCCMD.H
.............\SL811.C
.............\SL811.H
.............\SL811.LST
.............\SL811.OBJ
.............\TPBULK.C
.............\TPBULK.H
.............\TPBULK.LST
.............\TPBULK.OBJ
.............\Untitled Project.IAB
.............\Untitled Project.IAD
.............\Untitled Project.IMB
.............\Untitled Project.IMD
.............\Untitled Project.PFI
.............\Untitled Project.PO
.............\Untitled Project.PR
.............\Untitled Project.PRI
.............\Untitled Project.PS
.............\Untitled Project.WK3
.............\UNTITL~1.SearchResults
.............\USBHOST
.............\USBHOST.hex
.............\USBHOST.lnp
.............\USBHOST.M51
.............\USBHOST.Opt
.............\USBHOST.plg
.............\USBHOST.Uv2
.............\USBHOST_Opt.Bak
.............\USBHOST_Uv2.Bak
Hardware
........\HOST.Sch
........\SL811.lib
........\原理图.pdf
........\注意.txt

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