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參數(shù)資料
| 型號： | VNC2-32Q1B-REEL |
| 廠商： | FTDI, Future Technology Devices International Ltd |
| 文件頁數(shù)： | 62/88頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB HOST/DEVICE CTRL 32-QFN |
| 應用說明： | Vinculum-II IO Cell Description AppNote Vinculum-II Debug Interface Description AppNote Vinculum-II IO Mux Explained AppNote Vinculum-II PWM Example AppNote Migrating Vinculum Designs AppNote |
| 特色產品： | Vinculum VNC2 |
| 標準包裝： | 1 |
| 系列： | Vinculum-II |
| 控制器類型： | USB 2.0 控制器 |
| 接口： | USB，主機/設備配置，UART，SPI，PWM，閃存 256K，DMA 4CH |
| 電源電壓： | 1.62 V ~ 1.98 V |
| 電流 - 電源： | 25mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VQFN 裸露焊盤 |
| 供應商設備封裝： | 32-QFN 裸露焊盤（7x7） |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 634 (CN2011-ZH PDF) |
| 其它名稱： | 768-1050-6 |
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Copyright 2009-2011 Future Technology Devices International Limited
Datasheet
Vinculum-II Embedded Dual USB Host Controller IC
Version 1.5
Document No.: FT_000138 Clearance No.: FTDI# 143
7 USB Interfaces
VNC2 has two USB 1.1 and USB 2.0 compliant interfaces available either as a USB host or slave device
capable of supporting 1.5Mb/s (Low Speed) and 12Mb/s (full Speed) transactions. The USB specification
defines 4 transfer types that are all supported by VNC2:
Interrupt transfer: Used for legacy devices where the device is periodically polled to see if the
device has data to transfer e.g. Mouse, Keyboard. VNC2 interrupt transfers are valid for low- and
full-speed transactions.
Bulk transfer: Used for transferring large blocks of data that have no periodic or transfer rate
requirement e.g. USB to RS232 (FT232R device), memory sticks. VNC2 bulk transfers are only
valid for full-speed transactions.
Isochronous transfer: Used for transferring data that requires a constant delivery rate e.g. web
cam, wireless modem. VNC2 isochronous transfers are only valid for full-speed transactions.
Control transfer: Used to transfer specific requests to all types USB devices (most commonly
used during device configuration).
VNC2 control transfers are valid for low- and full-speed
transfers.
USB 2.0 - 480Mb/s (High Speed) transactions are not supported as the power requirements are deemed
excessive for VNC2 target applications. VNC2 configured to Full speed is supported.
VNC2 has two main USB modes of operation: host mode or client (or Slave) mode. As a client, VNC2 is
able to connect to a PC and act as a USB peripheral. At the same time as being a client the second USB
interface is also able to act as a host and connect to a second USB device using two separate ports (i.e.
Port 0 – Host Port 1- Client). Each USB interface can be either a host or a client.
It is not possible to
change from host to client or client to host “on-the-fly”. The following diagrams in figure 7.1 give
examples of possible modes of operation:
VNC2
Port 1
Port 0
BOMS Flash Disk
USB Device
Port 0 and 1 in Host mode
VNC2
Port 1
Port 0
Port 0 in Slave mode
USB Host
VNC2
Port 1
Port 0
Port 0 in Slave mode and Port 1 in Host mode
USB Host
BOMS Flash Disk
VNC2
Port 1
Port 0
Port 0 and 1 in Slave mode (Null Modem type application)
USB Host
Figure 7.1 USB Modes
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| VNC2-32Q1B-TRAY | 功能描述:USB 接口集成電路 Vinculum-II Dual Host/Dev IC QFN-32 RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數(shù)據(jù)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 |
| VNC-240AZ-345 | 制造商:Ametek National Controls Corp 功能描述:SENSOR, LOW V SENSOR,240AC 制造商:NATIONAL CONTROLS 功能描述: |
| VNC2-48L1A-REEL | 功能描述:USB 接口集成電路 Obsolete see VNC2-48L1B-REEL RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數(shù)據(jù)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 |
| VNC2-48L1A-TRAY | 功能描述:USB 接口集成電路 Obsolete see VNC2-48L1B-TRAY RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數(shù)據(jù)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 |
| VNC2-48L1B | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER USB VINCULUM II 48LQFP 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER, USB, VINCULUM II, 48LQFP 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER, USB, VINCULUM II, 48LQFP; USB Type:Host Controller; USB Version:2.0; Supply Voltage Min:1.62V; Supply Voltage Max:1.98V; Digital IC Case Style:LQFP; No. of Pins:48; Data Rate:12Mbps; No. of Ports:2; Operating Temperature ;RoHS Compliant: Yes |
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