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參數(shù)資料
| 型號： | VNC2-64Q1B-REEL |
| 廠商： | FTDI, Future Technology Devices International Ltd |
| 文件頁數(shù)： | 43/88頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB HOST/DEVICE CTRL 64-QFN |
| 應(yīng)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(chǎn)品： | Vinculum VNC2 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Vinculum-II |
| 控制器類型： | USB 2.0 控制器 |
| 接口： | USB，主機(jī)/設(shè)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： | 64-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 64-QFN（8x8） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 634 (CN2011-ZH PDF) |
| 其它名稱： | 768-1046-6 |
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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
6.3.6 VNC1L Legacy Interface
VNC2 SPI is compatible with the SPI slave of VNC1L. This is a custom protocol using 4 wires and will be
explained here.
The Master asserts the slave select, but in this case it is an active high signal. Following this, a 3 bit
command is sent on the MOSI pin (see Figure 6.15 for command structure). This has instructions on
whether a read or write is requested and if data or status is to be sent. For a data write, 8 bits of data
are sent on MOSI followed by a status bit being returned on MISO. If this bit is 0 it means the data write
was successful. If it is 1 it means that internal buffer was full and the write should be repeated. Finally,
the slave select is de-asserted. See Figure 6.13 for an example of this.
Figure 6.13 VNC1L Mode Data Write
Data reads are similar, with the data from Slave to Master coming on the MISO pin. If the status bit is 0
it means the data byte sent is new data that has not been read before. If it is 1 it means that it is old
data. See Figure 6.14 for an example.
Figure 6.14 VNC1L Mode Data Read
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VNC2-64Q1B-TRAY | 功能描述:USB 接口集成電路 Vinculum-II Dual Host/Dev IC QFN-64 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| VNC2DEBUGMODULE | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:VNC2 Vinculum Debug Module |
| VNC712B-N50A-5TZ | 制造商:SMC Corporation of America 功能描述:Valve, media, coolant, 2 way |
| VNC-DK4-C1404CM | 制造商:L-com Inc 功能描述:4CH DVR w/4 CMOS CAMERAS no HD |
| VNC-DK4-C1404CM-HD | 制造商:L-com Inc 功能描述:4CH DVR w/4 CMOS CAMS 500GB HD |
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