- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄382724 > USS-820D USS-820D USB Device Controller PDF資料下載
參數(shù)資料
| 型號： | USS-820D |
| 英文描述： | USS-820D USB Device Controller |
| 中文描述： | 號- 820D USB設(shè)備控制器 |
| 文件頁數(shù)： | 46/58頁 |
| 文件大?。?/td> | 868K |
| 代理商： | USS-820D |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁當(dāng)前第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁
46
Agere Systems Inc.
Data Sheet, Rev. 4
June 2001
USB Device Controller
USS-820D
Suspend and Resume Behavior
(continued)
Special Suspend Considerations for Bus-
Powered Devices
(continued)
I
D[7:0], SOFN*: Bidirectional pins, forced to input
mode while suspended (assuming
SSR.SUSPPO = 1). Their value will be determined
by external logic, and must be a logic 0 or 1 to avoid
current draw in the USS-820D.
I
IRQN, USBR, DSA: 3-statable outputs, forced to
3-state during suspend (assuming
SSR.SUSPPO = 1, MCSR.BDFEAT = 0). Their value
will be determined by external logic, and is a don’t
care for the USS-820D.
I
DPLS, DMNS: Bidirectional pins, in input mode dur-
ing suspend, driven by USB. Since they are statically
driven to 1 and 0, respectively, there is no current
draw in the USS-820D.
I
RWUPN: Input-only pin, driven to 1 by (powered)
external logic during suspend, unless/until a remote
wake-up is signalled.
I
SUSPN: Output-only pin, driven to 0 by USS-820D to
indicate suspend.
I
XTAL1: Input connection to internal oscillator. If a
crystal is used as a clock source, there are no spe-
cial considerations for this pin. If an external oscilla-
tor is used as a clock source, this input must be
driven to a stable 1 by external logic.
I
RESET: Driven to 0 during suspend by external logic.
I
DPPU: 3-statable output, drives a logic 1 during sus-
pend (assuming MCSR.DPEN = 1). This is required
in case the pin is used to power the external DPLS
pull-up resistor, which must remain powered during
suspend.
Depending on the device design, the USS-820D
register interface signals (RDN, WRN, IOCSN) could
have unknown values immediately after a suspend
because external components have been powered off.
In this case, firmware must configure the USS-820D to
enable the locking mechanism by setting the
MCSR.SUSPLOE register bit. This mechanism
protects the internal registers from being corrupted in
this situation. Its behavior is documented in
Special
Action Required by USS-820/USS-825 After Suspend
Application Note (AP97-058CMPR-04).
* SOFN is an output-only pin during normal operation. In certain chip
test modes, this pin functions as an input.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| USS820D-DB | USS-820D USB Device Controller |
| UT12002 | 10/100 BASE T SINGLE PORT SURFACE MOUNT MAGNETICS |
| UT1701-7 | 500 Watt AC-DC Converters |
| UT1201-7 | 500 Watt AC-DC Converters |
| UT1240-7Z | 500 Watt AC-DC Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USS820D-DB | 制造商:AGERE 制造商全稱:AGERE 功能描述:USS-820D USB Device Controller |
| USS820FD | 制造商:AGERE 制造商全稱:AGERE 功能描述:USB Device Controller |
| USS-820FD | 制造商:AGERE 制造商全稱:AGERE 功能描述:USB Device Controller |
| USS820TD-DB | 制造商:AGERE 制造商全稱:AGERE 功能描述:USS-820D USB Device Controller |
| USSFZ 038 | 功能描述:WASHER FLAT 3/8" RoHS:否 類別:硬件，緊固件，配件 >> 墊圈 系列:* 標準包裝:100 系列:- 類型:扁平 螺紋/螺釘/孔尺寸:#10 螺釘尺寸 直徑 - 內(nèi)部:0.196"（4.98mm） 直徑 - 外部:0.500"（12.70mm）1/2" 厚度:0.047"（1.19mm） 鍍層:- 材質(zhì):尼龍 其它名稱:3177K |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。