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CHAPTER 12 USB HOST
12.1 Feature of USB HOST
12.1
Feature of USB HOST
USB HOST provides minimum host operations required and is a function that enables
data to be transferred to and from Device without PC intervention.
■ Feature of USB HOST
USB HOST has not only original function as the USB host but also the USB function by switching
operation mode.
USB HOST has the following features.
• Automatic detection of Low Speed/Full Speed forwarding
• Low Speed/Full Speed forwarding support
• Automatic detection of connection and cutting device
• Reset sending function support to USB bus
• Support of IN/OUT/SETUP/SOF token
• Automatic transmission of handshake packet for IN token (excluding STALL)
• Handshake packet automatic detection at OUT token
• Supports a maximum packet length of 256 bytes.
• Various error (CRC error/toggle error/time-out) supports
• Wake Up function support
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FUJITSU MICROELECTRONICS LIMITED
MB90335 Series
CM44-10137-6E
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