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30.5
USB Mini-host operation
Summary of the USB Mini-host operation.
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Device connection
The software detects that the external USB device is connected.
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USB bus reset
USB bus is reset.
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Token packet
Three kinds of token can be selected in host mode.
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Data packet
The data packet is transmitted and received.
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Handshake packet
It informs send/receive partners of status via handshake packet.
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Retry function
When an error etc. occur at the packet termination, the retry operation is continued.
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SOF interrupt
The interrupt is generated.
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Error status
Various errors are displayed.
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Packet end
When the packet ends, the interruption is generated.
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Suspend-resume
It sets the USB circuit in suspend-resume status.
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Device disconnection
The detection of the status of Mini-host pins determines the disconnection.
CHAPTER 30 USB Mini-host
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