- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄381451 > AT43311 (Atmel Corp.) USB Hub PDF資料下載
參數(shù)資料
| 型號： | AT43311 |
| 廠商： | Atmel Corp. |
| 英文描述： | USB Hub |
| 中文描述： | USB集線器 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 136K |
| 代理商： | AT43311 |
AT43311
3
Pin Description
Pin Description
Pin Type
Description
OSC1
I
Oscillator Input. Input to the inverting 6 MHz oscillator amplifier.
OSC2
O
Oscillator Output. Output of the inverting oscillator amplifier.
LFT
I
PLL Filter. For proper operation of the PLL, this pin should be connected through a
100
resistor and 10 nF capacitor to ground (V
SS
) in parallel with a 2.2 nF capacitor
(see Figure 1–Power Supply Connection).
VREF
I
Reference Voltage. This is an input pin that should be connected to an external
voltage source. VREF is used internally as the reference voltage by the overload
protection circuit to decide whether there is a problem with a port’s power supply.
DP0
B
Upstream Plus USB I/O. This pin should be connected to VCC3 through an external
1.5K
pullup resistor. DP0 and DM0 form the full speed differential signal pin pairs
connected to the Host Controller or an upstream Hub.
DM0
B
Upstream Minus USB I/O
DP[1:4]
B
Port Plus USB I/O. These pins should be connected to VSS through external 1.5K
resistors. DP[1:4] and DM[1:4] are the differential signal pin pairs to connect
downstream USB devices.
DM[1:4]
B
Port Minus USB I/O. These pins should be connected to VSS through external 15K
resistors. DP[1:4] and DM[1:4] are the differential signal pin pairs to connect
downstream USB devices.
OVL[1:4]
I
Port Overload. These are the input signals used to indicate to the AT43311 that there
is a power supply problem with the port. If OVL is asserted, the AT43311 will assert
the corresponding PWR[1:4] pin and report the status to the USB Host.
PWR[1:4]
OD
Power Switch. These are the output signals used to enable or disable the external
voltage regulator supplying power to the port. PWR[1:4] is de-asserted when a power
supply problem is detected at OVL[1:4].
For proper operation of PWR[1:4], an external pull-up resistor of 10K
to VCC5 is
required.
STAT[1:4]
O
Connect Status. These are output pins indicating that a port is properly connected.
STAT[1:4] is asserted when the port is enabled.
V
CC3
V
CC5
V
CCA
GND
V
3.3V Power Supply, used for the USB interface
V
5V Power Supply, main power supply for the AT43311
V
5V Analog Power Supply
V
Ground
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT43312A-AC | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A-AU | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A-SC | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A-SU | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A | Self- and Bus-powered USB Hub Controller(自供電和總線供電USB集線器控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT43312 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Self- and Bus- Powered USB Hub Controller |
| AT43312(32DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER |
| AT43312(32SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER |
| AT43312A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AT43312A [Updated 7/03. 27 Pages] |
| AT43312A_06 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Self- and Bus-Bus-powered USB Hub Controller |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。