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参数资料
| 型号： | VNC2-64L1B-REEL |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 62/88页 |
| 文件大小： | 0K |
| 描述： | IC USB HOST/DEVICE CTRL 64-LQFP |
| 应用说明： | 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 |
| 特色产品： | Vinculum VNC2 |
| 标准包装： | 1 |
| 系列： | Vinculum-II |
| 控制器类型： | USB 2.0 控制器 |
| 接口： | USB，主机/设备配置，UART，SPI，PWM，闪存 256K，DMA 4CH |
| 电源电压： | 1.62 V ~ 1.98 V |
| 电流 - 电源： | 25mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 标准包装 |
| 产品目录页面： | 634 (CN2011-ZH PDF) |
| 其它名称： | 768-1047-6 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| VNC2-64L1B-TRAY | 功能描述:USB 接口集成电路 Vinculum-II Dual Host/Dev IC LQFP-64 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| VNC2-64L1C-REEL | 功能描述:IC USB HOST/DEVICE CTRL 64-LQFP 制造商:ftdi, future technology devices international ltd 系列:Vinculum-II 包装:剪切带（CT） 零件状态:停產 协议:USB 功能:控制器 接口:SPI，UART 标准:USB 2.0 电压 - 电源:1.62 V ~ 1.98 V 电流 - 电源:25mA 工作温度:-40°C ~ 85°C 封装/外壳:64-LQFP 供应商器件封装:64-LQFP（10x10） 标准包装:1 |
| VNC2-64Q1A-REEL | 功能描述:USB 接口集成电路 Obsolete see VNC2-64Q1B-REEL RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| VNC2-64Q1A-TRAY | 功能描述:USB 接口集成电路 Obsolete see VNC2-64Q1B-TRAY RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| VNC2-64Q1B | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER USB VINCULUM II 64QFN 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER, USB, VINCULUM II, 64QFN 制造商:Future Technology Devices International (FTDI Chip) 功能描述:Programmable USB 2.0 Host IC,64pin QFN |
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