參數(shù)資料
型號: MR80C52XXX-36SCD
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 41/109頁
文件大?。?/td> 10824K
代理商: MR80C52XXX-36SCD
285
7593L–AVR–09/12
AT90USB64/128
24. USB host operating modes
This mode is available only on Atmel AT90USB647/1287 products.
24.1
Pipe description
For the USB Host controller, the term of Pipe is used instead of Endpoint for the USB Device
controller. A Host Pipe corresponds to a Device Endpoint, as described in the USB specification.
Figure 24-1. Pipes and endpoints in a USB system.
In the USB Host controller, a Pipe will be associated to a Device Endpoint, considering the
Device Configuration Descriptors.
24.2
Detach
The reset value of the DETACH bit is 1. Thus, the firmware has the responsibility of clearing this
bit before switching to the Host mode (HOST set).
24.3
Power-on and reset
Figure 24-2 explains the USB host controller main states on power-on.
Figure 24-2. USB host controller states after reset.
Host
Ready
Host
Idle
Device
disconnection
<any
other
state>
Device
connection
Clock stopped
Macro off
Device
disconnection
Host
Suspend
SOFE=1
SOFE=0
相關(guān)PDF資料
PDF描述
MD80C32-16SHXXX 8-BIT, 16 MHz, MICROCONTROLLER, CDIP40
MR80C32E-20/883:RD 8-BIT, 20 MHz, MICROCONTROLLER, CQCC44
MR80C52XXX-30SCR 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44
MQ80C32-25/883:D 8-BIT, 25 MHz, MICROCONTROLLER, CQFP44
MD83C154XXX-36/883D 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C86 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86/B 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC
MR80C86-2 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86-2/883 制造商:Rochester Electronics LLC 功能描述:- Bulk
MR80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube