參數(shù)資料
型號(hào)： 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(jī)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(yè)數(shù)： 17/48頁(yè)
文件大?。?/td> 219K
代理商： LZ85202
LZ85202
IrDA Control Host Controller with USB Interface User
’
s Guide
11
USB Dongle Functions Utilizing HC
In order for multiple peripherals (up to eight devices) to simultaneously communicate
within the IrDA Control system, the USB Dongle (USB Function) is required in the system.
This USB Dongle is the adapter connected to the USB I/F and it provides infrared commu-
nication link with the task given below.
1. Connect the USB Dongle to the Host device via USB I/F.
2. Install the driver software (Dongle Driver software: see the
‘
Dongle Driver
’
section) into
Windows98 OS
After task 2, driver software installed in Windows 98 OS (HID driver) can be made avail-
able, by which the Host device can control maximum of eight peripherals over infrared
communication. Other functions of the IrDA Control Host Dongle are listed below:
With a combination of BIOS that supports USB keyboards in market place, the dongle
will be recognized as a keyboard with pointing device capability, and then be recognized
as USB dongle once all drivers are loaded to the Windows 98 Operating System (see
the
‘
Operation Mode (USB Configuration)
’
section.
Full Speed data transfer (12 Mbps) service is available as USB function.
Module Structure
The HC internal modules that control the protocols of the USB Dongle on an IrDA Control
subsystem are structured as illustrated in Figure 10.
The HC is a LSI that manages the data transactions of the IrDA Control system via the
USB I/F. It has an internal module, which is structured by the protocol control modules for
both USB side (Host side) and IrDA Control side (Peripheral side). It also provides a pro-
tocol transforming bridge for the data transaction between these modules.
Figure 10. Module Structure
HOST
(PC)
USB
MODULE
USB-IrDA CONTROL BRIDGE MODULE
HC (LZ85202)
USB DONGLE
IrDA-CONTROL
MODULE
PERIPHERAL
(KEYBOARD)
(MOUSE)
LZ85202-10
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