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4.2.2
USB: LS device.................................................................................................................................9
4.2.3
USB: FS device.................................................................................................................................9
4.2.4
USB: HS device ................................................................................................................................9
4.2.5
USB: storage device........................................................................................................................10
4.2.6
USB: unsupported device................................................................................................................10
4.2.7
USB: more than three storage devices ............................................................................................10
4.2.8
USB: more than four hubs...............................................................................................................10
4.2.9
USB: phase err ................................................................................................................................10
4.2.10
USB: CBW......................................................................................................................................10
4.2.11
USB: Data IN ..................................................................................................................................10
4.2.12
USB: Data OUT ..............................................................................................................................10
4.2.13
USB: CSW ......................................................................................................................................10
4.2.14
USB: cleared STALL ...................................................................................................................... 11
4.2.15
USB: Mass Storage Reset ............................................................................................................... 11
4.3
Connection Verification Methods..............................................................................................................12
4.3.1
Main CPU and LSI Connection Verification Method .....................................................................12
4.3.2
USB Device and LSI Connection Verification Method ..................................................................13
4.3.3
Potential Communication Problems with USB Devices .................................................................15
Appendix A Correspondence between Pins and ATA/ATAPI Standard Signals .......................... 16
ii
EPSON
S1R72U16 Development Support
Manual (Rev.2.00)
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