- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄1922 > FUSB2805MLX (Fairchild Semiconductor)TXRX USB2.0 HS OTG ULPI 32MLP PDF資料下載
參數(shù)資料
| 型號： | FUSB2805MLX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 11/49頁 |
| 文件大小： | 0K |
| 描述： | TXRX USB2.0 HS OTG ULPI 32MLP |
| 標準包裝： | 1 |
| 系列： | * |
| 其它名稱： | FUSB2805MLXFSDKR |
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頁當前第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頁第46頁第47頁第48頁第49頁
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FUSB2805 Rev. 1.0.3
19
F
USB2
8
0
5
—
USB2
.0
High
-S
pee
d
OTG
Tra
nsc
e
iv
e
rw
ith
UL
P
I
Inter
fac
e
CLOCK
D0-D7
STP
DIR
NXT
D0
TXCMD
DATA
D1
TX End Delay ( 2 to 5 clocks)
DN-1
DN
EOP
DP or
DM
IDLE
SYNC
Link Decision Time (15 to 24 clocks)
TX Start Delay
(1 to 2 clocks)
USB Inter Packet Delay (88 to 192 HS bit times)
Figure 12.
HS Transmit to Transmit Packet Timing, Example 2
Preamble
Preamble packets are headers to low-speed packets
that must travel over a FS bus between a host and a
hub.
To
enter
preamble
mode,
the
link
sets
XCVRSELECT[1:0]=11b in the FUNC_CTRL register
and, when in this mode (Preamble), the FUSB2805
operates just as in FS mode and sends all the data with
the FS rise and fall time characteristics. Whenever the
link transmits a USB packet in preamble mode, the
FUSB2805 automatically sends a preamble header at
the FS bit rate before sending the packet at low-speed
bit rate. The FUSB2805 ensures a minimum gap of four
FS bit times between the last bit of the FS PRE_PID
and the first bit of the LS SYNC. The FUSB2805 drives
a J-state for at least one FS bit time after sending the
PRE-PID, after which the resistor can hold the J-state
on the bus. In preamble mode, the FUSB2805 can also
receive LS packets from the FS bus. Figure 13 shows
an example preamble packet.
CLOCK
D0-D7
STP
DIR
NXT
D0
TXCMD (LS PID)
D1
LS D1
DP or
DM
LS D0
LS PID
LS
SYNC
IDLE
(4 FS bits
min)
FS
PRE_ID
FS
SYNC
Figure 13.
Preamble Sequence
相關PDF資料 |
PDF描述 |
|---|---|
| FXLA2203UMX | TRANSLATOR LEVEL DUAL 24UMLP |
| GAL16V8D-15LJN | SPLD 62.5MHZ EECMOS 20 PLCC |
| GAL18V10B-20LP | IC GAL 10OUT MACROCELL 7.5NS 20 |
| GAL22V10D-25LJ | IC SPLD 3.3V 28-PLCC |
| GH65C11-C-PD | OPTO ENCODER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| FUSCA REF BOARD | 制造商:TDK 功能描述:REFERENCE BOARD FUSCA 2.4GHZ |
| FUSCAREFBOARD | 制造商:Antenova 功能描述:Reference Board Fusca 2.4GHz |
| FUSE | 功能描述:保險絲 Fuse, Fiber 20A 600V Lot Qty 5 RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風格: 端接類型:SMD/SMT 系列:485 |
| FUSE 25A ATC | 制造商:American Technical Ceramics Corp 功能描述: 制造商:ATC 功能描述: |
| FUSE KIT D | 制造商:COOPER BUSSMANN 功能描述:BUSSMANN FUSE KIT |
發(fā)布緊急采購，3分鐘左右您將得到回復。
