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参数资料
型号： VNC2-48Q1B-TRAY
厂商： FTDI, Future Technology Devices International Ltd
文件页数： 41/88页
文件大小： 0K
描述： IC USB HOST/DEVICE CTRL 48-QFN
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
标准包装： 260
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： 48-VFQFN 裸露焊盘
供应商设备封装： 48-QFN-EP（8x8）
包装： 托盘
其它名称： VNC2-48Q1A-TRAY
VNC2-48Q1A-TRAY-ND
46
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
6.3.4 Half Duplex, 3 pin
The 3 pin half duplex mode eliminates the MISO pin from the protocol. This means that status bytes need
to be sent on the MOSI pin. Again the Master initiates a transfer by asserting SS# and sending out a
command byte. The Slave sends status back to the Master. If a write has been requested and the status
indicates that the Slave can accept data, MOSI should be changed to an output again and data will be
sent from Master to Slave.
Following this data, the Slave will send a further status byte if SS# remains active. If the status indicates
that more data can be written, the next data byte can be sent to the Slave and this process continues
until SS# is de-asserted. Figure 6.10 is an example of this:
SS#
MOSI
8 bit CMD
Master to Slave
STATUS
W0
STATUS
W1
Slave to Master
Master to Slave
Figure 6.10 Half Duplex 3-pin Data Master Write
Data reads are similar expect that after the command byte all data transfer is from Slave to Master.
Figure 6.11 is an example of this:
SS#
MOSI
8 bit CMD
Master to Slave
STATUS
R0
STATUS
R1
Slave to Master
Figure 6.11 Half Duplex 3-pin Data Master Read
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VNC2-64L1A-REEL 功能描述:USB 接口集成电路 Obsolete see VNC-64L1B-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
VNC2-64L1A-TRAY 功能描述:USB 接口集成电路 Obsolete see VNC2-64L1B-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
VNC2-64L1B 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER USB VINCULUM II 64LQFP 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER, USB, VINCULUM II, 64LQFP 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER, USB, VINCULUM II, 64LQFP; 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:64; Data Rate:12Mbps; No. of Ports:2; Operating Temperature ;RoHS Compliant: Yes
VNC2-64L1B-REEL 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
VNC2-64L1B-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
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