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| 型號(hào)： | USB2513-AEZG |
| 廠(chǎng)商： | STANDARD MICROSYSTEMS CORP |
| 元件分類(lèi)： | 總線(xiàn)控制器 |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, QCC36 |
| 封裝： | 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-36 |
| 文件頁(yè)數(shù)： | 50/76頁(yè) |
| 文件大?。?/td> | 1924K |
| 代理商： | USB2513-AEZG |
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USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 1.1 (04-26-10)
54
SMSC USB251x
DATASHEET
8.3.2.2
Block Read
A block read differs from a block write in that the repeated start condition exists to satisfy the I2C
specification’s requirement for a change in the transfer direction.
Figure 8.2 Block Read
8.3.3
Invalid Protocol Response Behavior
Registers that are accessed with an invalid protocol are not updated. A register is only updated
following a valid protocol. The only valid protocols are write block and read block, which are described
above. The hub only responds to the hardware selected Slave Address (0101100x).
Attempting to communicate with the hub over SMBus with an invalid slave address or invalid protocol
results in no response, and the SMBus Slave Interface returns to the idle state.
The only valid registers that are accessible by the SMBus slave address are the registers defined in
the Registers Section. The hub does not respond to undefined registers.
8.3.4
General Call Address Response
The hub does not respond to a general call address of 0000_000b.
8.3.5
Slave Device Time-Out
According to the SMBus specification, version 1.0 devices in a transfer can abort the transfer in
progress and release the bus when any single clock low interval exceeds 25 ms (TTIMEOUT, MIN).
Devices that have detected this condition must reset their communication and be able to receive a new
START condition no later than 35 ms (TTIMEOUT, MAX).
Note: Some simple devices do not contain a clock low drive circuit; this simple kind of device typically
resets its communications port after a start or stop condition. The slave device time-out must
be implemented.
8.3.6
Stretching the SCLK Signal
The hub supports stretching of the SCLK by other devices on the SMBus. The hub does not stretch
the SCLK.
8.3.7
SMBus Timing
The SMBus Slave Interface complies with the SMBus AC Timing specification. See the SMBus timing
in the “Timing Diagram” section.
8.3.8
Bus Reset Sequence
The SMBus slave interface resets and returns to the idle state upon a START field followed
immediately by a STOP field.
Block Read
1
S
Slave Address
Register Address
Wr
A
17
1
8
A
1
Slave Address
Rd
A
71
1
81
1
88
P
1
81
A
Byte Count = N
Data byte 1
Data byte 2
Data byte N
...
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USB2513-AEZG-TR | 功能描述:USB 接口集成電路 HI-PERFORM LW PWR SM FOOT USB 2.0 HUB RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| USB2513B | 制造商:SMSC 制造商全稱(chēng):SMSC 功能描述:USB 2.0 Hi-Speed Hub Controller |
| USB2513B-AEZC | 功能描述:IC LINEAR RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 控制器 系列:* 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類(lèi)型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱(chēng):Q6396337A |
| USB2513B-AEZC-TR | 制造商:Microchip Technology 功能描述:USB 2.0 HIGH SPEED 3 PORT HUB 制造商:Microchip Technology 功能描述:USB 2.0 Hub Controller 36-Pin QFN EP T/R 制造商:Microchip Technology Inc 功能描述:MCCUSB2513B-AEZC-TR USB CHIP 制造商:Microchip Technology Inc 功能描述:3-PORT USB 2.0 HI-SPEED HUB CONTROLLER - Tape and Reel 制造商:Microchip Technology Inc 功能描述:3-PORT USB 2.0 HUB CTRLR 36VQFN 制造商:Microchip Technology Inc 功能描述:USB 2.0 HIGH SPEED 3 PORT HUB CNTLR |
| USB2513B-AEZG | 功能描述:USB 接口集成電路 USB2.0 HIGH SPEED 3-Port Hub ControllR RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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