參數(shù)資料
型號： LZ85202
廠商： Sharp Corporation
英文描述： IrDA Control Host Controller with USB Interface(帶USB接口的IrDA控制主控制器)
中文描述： 紅外線控制主機控制器與USB接口（帶的USB接口的紅外線控制主控制器）
文件頁數(shù)： 33/48頁
文件大?。?/td> 219K
代理商： LZ85202
LZ85202
IrDA Control Host Controller with USB Interface User
’
s Guide
27
USB-Enumeration on the USB Dongle
The following sequence represents the request and the relative data sequence, where the
USB Dongle itself is enumerated to the Host device (Windows 98 Operating System) via USB.
NOTE: *
Issued by USB Driver and Dongle Driver.
Table 14. USB Enumeration of USB Dongle
NUMBER
HOST REQUEST
*
REPLY DATA FROM
USB DONGLE
MODE
CONFIGURATION
Connect the dongle to USB. USB driver to issue following
USB requests to dongle to load the Dongle Driver
Get Descriptor (Device)
CData (Device Descriptor) Top 8 bytes
Set Address
Get Descriptor (Device)
CData (Device Descriptor)
Get Descriptor (Configuration)
CData (Configuration Descriptor[1])
CData (Interface Descriptor)
CData (HID Descriptor)
CData (Endpoint Descriptor)
CData (Interface Descriptor)
CData (HID Descriptor)
CData (Endpoint Descriptor)
CData (Configuration Descriptor[2])
CData (Interface Descriptor)
CData (Endpoint Descriptor)
1
2
3
4
5
6
7
8
9
Emulation
Emulation
Emulation
Emulation
Emulation
Emulation
Emulation
Bridge
Bridge
Bridge
10
11
12
13
14
15
16
Dongle Driver Loading & USB Request is issued by Dongle Driver
Get Descriptor (Device)
CData (Device Descriptor)
Get Descriptor (Configuration)
CData (Configuration Descriptor[1])
CData (Interface Descriptor)
CData (HID Descriptor)
CData (Endpoint Descriptor)
CData (Interface Descriptor)
CData (HID Descriptor)
CData (Endpoint Descriptor)
CData (Configuration Descriptor[2])
CData (Interface Descriptor)
CData (Endpoint Descriptor)
Set Configuration (2)
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Emulation
Emulation
Emulation
Emulation
Emulation
Emulation
Emulation
Bridge
Bridge
Bridge
Interrupt Pipe is open. Dongle Driver to issue Interrupt IN transfer request to the USB Dongle
31
Interrupt IN
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