參數(shù)資料
型號(hào): μPD9210FGC-7EA
廠商: NEC Corp.
英文描述: USB Host Controller(USB主控制器)
中文描述: USB主機(jī)控制器(的USB主控制器)
文件頁(yè)數(shù): 29/95頁(yè)
文件大?。?/td> 423K
代理商: ΜPD9210FGC-7EA
CHAPTER 3 DESCRIPTION OF USB HOST CONTROLLER FUNCTIONS
29
Under OpenHCI, data transfers are divided into two categories: periodic and non-periodic. Periodic transfers,
which are executed within a specified period, are further divided into the interrupt and isochronous transfer types.
Non-periodic transfers, which are not executed periodically, are divided into control and bulk transfer types.
To implement the following types of operations, a device called a USB host controller and software called the USB
HCD must both be installed on the host computer. OpenHCI is the specifications that apply to the relation between
the host controller and the HCD software. This device complies with the
Open HCI Specification Release 1.0
and
OpenHCI Legacy Support Interface Specification Release Version 1.01
.
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