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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)： | 46/88頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB HOST/DEVICE CTRL 32-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： | 32-VQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-QFN 裸露焊盤（7x7） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)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
The VNC2 SPI interface uses 4 signal lines: SCLK, SS, MOSI and MISO. The signals MOSI, MISO and SS
are always clocked on the rising edge of the SCLK signal.
SS signal must be raised high for the duration of the entire transaction. For data transactions, the SS
must be released for at least one clock cycle after a transaction has completed. It is not necessary to
release SS between Status Read operations.
The Start state of MOSI and SS high on the rising edge of SCLK initiates the transfer. The transfer
finishes after 13 clock cycles, and the next transfer starts when MOSI is high during the rising edge of
CLK.
The following Figure 6.16 and
Table 6.9 give details of the bus timing requirements.
Figure 6.16 SPI Slave Mode Timing
Table 6.9 SPI Slave Data Timing
6.3.6.2 SPI Master Data Read Transaction in VNC1L legacy mode
The SPI master must periodically poll for new data in VNC2 Transmit Buffer. It is recommended that this
is done first before sending any command.
The Start and Setup sequence is sent to VNC2 by the SPI master, see Figure 6.17.
The VNC2 clocks out data from its Transmit Buffer on subsequent rising edge clock cycles provided by the
SPI master. This is followed by a status bit generated by VNC2. The Data Read status bit is defined in
If the status bit indicates New Data then the byte received is valid. If it indicates Old Data then the
Transmit Buffer in VNC2 is empty and the byte of data received in the current transaction should be
disregarded.
Time
Description
Minimum
Typical
Maximum
Unit
T1
SCLK period
79.37
83.33
ns
T2
SCLK high period
39.68
41.67
39.68
ns
T3
SCLK low period
39.68
41.67
39.68
ns
T4
SCLK driving edge to
MISO/MOSI
0.5
14
ns
T5
MISO/SS setup time to sample
SCLK edge
3
ns
T6
MISO/SS hold time from sample
SCLK edge
3
ns
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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(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 |
| 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(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 |
| 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(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 |
| 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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