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參數資料
| 型號： | AT43USB355E-AC |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| 中文描述： | 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 1.40 MM, PLASTIC, MS-026ACB, LQFP-64 |
| 文件頁數： | 92/115頁 |
| 文件大?。?/td> | 610K |
| 代理商： | AT43USB355E-AC |
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92
AT43USB355
2603G–USB–04/06
Hub Status Register
In the AT43USB355 overcurrent detection and port power switch control output processing is
done in firmware. The hardware is designed so that various types of hubs are possible just
through firmware modifications.
1.
Hub local power status, bits 0 and 2, are optional features and apply to hubs that report
on a global basis. If this feature is not used, both these bits should be programmed to
0. To use this feature, the firmware needs to know the status of the local power supply,
which requires an input pin and extra internal or external circuitry.
2.
Hub overcurrent status, bits 1 and 3, apply to self powered hubs with bus powered SIE
only, or hubs that are programmable as self/bus powered. The firmware should clear
these two bits to 0.
The firmware uses bits 1 and 3 to generate bit 0 of the Hub and Port Status Change Bitmap
which is transmitted through the Hub End-point1 Data Register. Bit 0 of this register is a 1
whenever bit 1 or 3 of HSTATR is a 1.
Hub Status Register – HSTR
Bit 7..4 – Reserved
These bits are reserved in the AT43USB355 and will read as zero.
Bit 3 – OVLSC: Overcurrent Status Change
0 = No change has occurred on Overcurrent Indicator
1 = Overcurrent Indicator has changed
Bit 2 – LPSC: Hub Local Power Status Change
0 = No change has occurred on Local Power Status
1 = Local Power Status has changed
Bit 1 – OVI: Overcurrent Indicator
0 = All power operations normal
1 = An overcurrent exist on a hub wide basis
Bit 0 – LPS: Hub Local Power Status
0 = Local power supply is good
1 = Local power supply is lost (inactive)
Bit
7
6
5
4
3
2
1
0
$1FC7
–
–
–
–
OVLSC
LPSC
OVI
LPS
HSTR
Read/Write
R
R
R
R
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AT43USB355E-AU | 功能描述:8位微控制器 -MCU USB GAME CONTROL w/ EMBED HUB RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| AT43USB355M-AC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355M-AU | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB370 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:USB 2.0 Full-Speed Host/Function Processor |
| AT43USB370E-AC | 功能描述:USB 接口集成電路 USB HOST DEVICE CONTROL - COM TEMP RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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