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| 型号： | VNC1L-1A |
| 厂商： | Future Technology Devices International Ltd |
| 元件分类： | 总线控制器 |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP48 |
| 封装： | 7 X 7 MM, 0.50 MM PITCH, GREEN, LQFP-48 |
| 文件页数： | 19/32页 |
| 文件大小： | 672K |
| 代理商： | VNC1L-1A |
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Copyright 2009 Future Technology Devices International Limited
26
Document Reference No.: FT_000030
Vinculum VNC1L Embedded USB Host Controller IC Datasheet Version 2.02
Clearance No.: FTDI# 50
7.2 Block Diagram - VNC1L Programming Via USB Interface
VNC1L can be programmed from a PC USB port using an FTDI USB-serial converter such as the FT232R.
This is the fastest way to reprogram VNC1L Flash memory as data can be transferred to VNC1L at up to
1MBaud.
The required connections between VNC1L and an FT232R device for controlling the PROG# and RESET#
pins is shown in Figure 7.2.
FT232R
VNC1L-1A
TXD
TXD (ADBUS0)
RXD (ADBUS1)
RXD
RTS#
RTS# (ADBUS2)
CTS#
CTS# (ADBUS3)
CBUS2
CBUS3
PROG#
RESET#
VCCIO
GND
VCC3V3
10k
Figure 7.2 VNC1L –Block Diagram of Programming Using USB Connection
Note that CBUS Bit Bang mode must be enabled in the FT232R EEPROM for CBUS2 and CBUS3 to enable
this operation. See FTDI application note “AN232R-01 Bit Bang Modes for the FT232R and FT245R” for
details of how to use CBUS Bit Bang mode. This is available at http://www.ftdichip.com).
To enable the bootloader, the PROG# pin must be held low and the RESET# pin must be pulsed low then
high again (this resets VNC1L).
Run mode can be enabled by driving the PROG# pin high and then resetting VNC1L by driving the
RESET# pin low then high.
For further examples of connecting VNC1L for programming, please refer to http://www.ftdichip.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| VNC1L-1A-REEL | 功能描述:USB 接口集成电路 USB Vinculum Host /Dev Ctrl IC LQFP-48 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 |
| VNC1L-1A-TRAY | 功能描述:USB 接口集成电路 USB Vinculum Host /Dev Ctrl IC LQFP-48 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 | 制造商:FTDI 制造商全称:FTDI 功能描述:VNC2 Debug Module |
| VNC2 DEBUG MODULE | 功能描述:界面开发工具 USB Vinculum-II Debug/Programmer Mod RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| VNC214B-15A-1D | 制造商:SMC Corporation of America 功能描述:Valve, media, solenoid, body port, 1/2 inch |
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