“Microduino-USB2TTL”的版本间的差异

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{{Language|Microduino-USB2TTL}}
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[[file:Microduino-ft232r-rect.jpg|400px|thumb|right|Microduino-FT232R]]
 
[[file:Microduino-ft232r-rect.jpg|400px|thumb|right|Microduino-FT232R]]
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'''[[Microduino-USB2TTL]]''' is a USB to serial UART interface module, it is based on FDTI FT232RL chip (Arduino embedded driver). '''[[Microduino-USB2TTL]]''' can be stacked with  '''[[Microduino-Core]]''' or '''[[Microduino-Core+]]''', enable Microduino core modules communicating with PC.
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'''[[Microduino-USBTTL]]''' is a USB to serial UART interface module, it is based on FTDI FT232RL chip (Arduino embedded driver). '''[[Microduino-USBTTL]]''' can be stacked with  '''[[Microduino-Core]]''' or '''[[Microduino-Core+]]''', enable Microduino core modules communicating with PC.
  
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The USB2TTL has optional clock generator output, and the new FTDIChip-ID? security dongle feature. In addition, asynchronous and synchronous bit bang interface modes are available.  
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The USBTTL has optional clock generator output, and the new FTDIChip-ID? security dongle feature. In addition, asynchronous and synchronous bit bang interface modes are available.  
  
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USB to serial designs using the USB2TTL is simplified by fully integrating the external EEPROM, clock circuit and USB resistors onto the device.
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USB to serial designs using the USBTTL is simplified by fully integrating the external EEPROM, clock circuit and USB resistors onto the device.
  
 
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==Features==
 
==Features==
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* The '''[[Microduino-USB2TTL]]''' is a USB to serial UART interface with optional clock generator output, asynchronous and synchronous bit bang interface modes are available.  
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* The '''[[Microduino-USBTTL]]''' is a USB to serial UART interface with optional clock generator output, asynchronous and synchronous bit bang interface modes are available.  
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* The '''[[Microduino-USB2TTL]]''' adds two new functions compared with its predecessors, effectively making it a "3-in-1" chip for some application areas. The internally generated clock (6MHz, 12MHz, 24MHz, and 48MHz) can be brought out of the device and used to drive a microcontroller or external logic. A unique number (the FTDIChip-ID?) is burnt into the device during manufacture and is readable over USB, thus forming the basis of a security dongle which can be used to protect designers' application software from being copied.
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* The '''[[Microduino-USBTTL]]''' adds two new functions compared with its predecessors, effectively making it a "3-in-1" chip for some application areas. The internally generated clock (6MHz, 12MHz, 24MHz, and 48MHz) can be brought out of the device and used to drive a microcontroller or external logic. A unique number (the FTDIChip-ID?) is burnt into the device during manufacture and is readable over USB, thus forming the basis of a security dongle which can be used to protect designers' application software from being copied.
 
* Using the U-Shape 27-pin interface (UPin-27), the standard interface of Microduino, all Microduino modules and sensors can be easily stacked and extended through it
 
* Using the U-Shape 27-pin interface (UPin-27), the standard interface of Microduino, all Microduino modules and sensors can be easily stacked and extended through it
 
* Delivered ready to plug in.
 
* Delivered ready to plug in.
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==Documents==
 
==Documents==
  
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* '''[[Microduino-USB2TTL]]''' Eagle source file 【'''[[media:Microduino-FT232R.zip|download]]'''】
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* '''[[Microduino-USBTTL]]''' Eagle source file 【'''[[media:Microduino-FT232R.zip|download]]'''】
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* '''[[Microduino-USB2TTL]]''' main chips and devices
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* '''[[Microduino-USBTTL]]''' main chips and devices
 
** Main chip: '''[[media:DS_FT232R.pdf|Datasheet of FT232R]]'''
 
** Main chip: '''[[media:DS_FT232R.pdf|Datasheet of FT232R]]'''
 
** Micro USB: '''[[media:MicroUSB.doc|MicroUSB]]'''
 
** Micro USB: '''[[media:MicroUSB.doc|MicroUSB]]'''
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==Development==
 
==Development==
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Uploading Arduino program to Microduino-Core/Core+ with '''[[Microduino-USB2TTL]]'''
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Uploading Arduino program to Microduino-Core/Core+ with '''[[Microduino-USBTTL]]'''
 
* 1. Install Arduino IDE: Microduino use the same IDE as Arduino, please download Arduino IDE from 【'''[http://arduino.cc/en/Main/Software Arduino IDE official]'''】 and install it in your disk. (if you already have it, just skip this step). Please check Arduino IDE details from 【'''[http://arduino.cc/en/Reference/HomePage Reference]'''】 and 【'''[http://arduino.cc/en/Tutorial/HomePage Workshop]'''】.  
 
* 1. Install Arduino IDE: Microduino use the same IDE as Arduino, please download Arduino IDE from 【'''[http://arduino.cc/en/Main/Software Arduino IDE official]'''】 and install it in your disk. (if you already have it, just skip this step). Please check Arduino IDE details from 【'''[http://arduino.cc/en/Reference/HomePage Reference]'''】 and 【'''[http://arduino.cc/en/Tutorial/HomePage Workshop]'''】.  
 
* 2. Patch Microduino package: Please download Microduino package for Arduino IDE from 【'''[[media:Microduino.zip|download]]'''】, and unzip is to {Your Arduino Install Driectory}/hardware directory.
 
* 2. Patch Microduino package: Please download Microduino package for Arduino IDE from 【'''[[media:Microduino.zip|download]]'''】, and unzip is to {Your Arduino Install Driectory}/hardware directory.
 
* Microduino Arduino IDE Reference workshop: 【'''[[Arduino IDE Microduino Configuration]]'''】.  
 
* Microduino Arduino IDE Reference workshop: 【'''[[Arduino IDE Microduino Configuration]]'''】.  
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* 3. Programming: Upload program to '''[[Microduino-Core]]''' or '''[[Microduino-Core+]]''' through Arduino IDE, with '''[[Microduino-USB2TTL]]''' module.
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* 3. Programming: Upload program to '''[[Microduino-Core]]''' or '''[[Microduino-Core+]]''' through Arduino IDE, with '''[[Microduino-USBTTL]]''' module.
 
* 4. Enjoy your Microduino journey!
 
* 4. Enjoy your Microduino journey!
  

2014年9月8日 (一) 15:27的最新版本

Language English
Microduino-FT232R

Microduino-USBTTL is a USB to serial UART interface module, it is based on FTDI FT232RL chip (Arduino embedded driver). Microduino-USBTTL can be stacked with Microduino-Core or Microduino-Core+, enable Microduino core modules communicating with PC.

The USBTTL has optional clock generator output, and the new FTDIChip-ID? security dongle feature. In addition, asynchronous and synchronous bit bang interface modes are available.

USB to serial designs using the USBTTL is simplified by fully integrating the external EEPROM, clock circuit and USB resistors onto the device.

Features

  • The Microduino-USBTTL is a USB to serial UART interface with optional clock generator output, asynchronous and synchronous bit bang interface modes are available.
  • The Microduino-USBTTL adds two new functions compared with its predecessors, effectively making it a "3-in-1" chip for some application areas. The internally generated clock (6MHz, 12MHz, 24MHz, and 48MHz) can be brought out of the device and used to drive a microcontroller or external logic. A unique number (the FTDIChip-ID?) is burnt into the device during manufacture and is readable over USB, thus forming the basis of a security dongle which can be used to protect designers' application software from being copied.
  • Using the U-Shape 27-pin interface (UPin-27), the standard interface of Microduino, all Microduino modules and sensors can be easily stacked and extended through it
  • Delivered ready to plug in.
  • 2.54mm (0.1 inch) pin pitch, compatible to bread board and hole board

Specifications

  • Single chip USB to asynchronous serial data transfer interface.
  • Entire USB protocol handled on the chip - No USB-specific firmware programming required.
  • UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd/even/mark/space/no parity.
  • Fully assisted hardware or X-On/X-Off software handshaking.
  • Data transfer rates from 300 baud to 3 Megabaud (RS422/RS485 and at TTL levels) and 300 baud to 1 Megabaud (RS232).
  • Auto transmit buffer control for RS485 applications.
  • Transmit and receive LED drive signals.
  • New 48MHz, 24MHz,12MHz, and 6MHz clock output signal Options for driving external MCU or FPGA.
  • 256 Byte receive buffer and 128 Byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.
  • Synchronous and asynchronous bit bang mode interface options with RD# and WR# strobes.
  • Integrated 1024 bit internal EEPROM for I/O configuration and storing USB VID, PID, serial number and product description strings.
  • Device supplied preprogrammed with unique USB serial number.
  • Support for USB suspend/resume.
  • Support for bus powered, self powered, and high-power bus powered USB configurations.
  • Integrated 3.3V level converter for USB I/O .
  • Integrated level converter on UART and CBUS for interfacing to 5V - 1.8V Logic.
  • True 5V/3.3V/2.8V/1.8V CMOS drive output and TTL input.
  • High I/O pin output drive option.
  • Integrated USB resistors.
  • Integrated power-on-reset circuit.
  • Fully integrated clock - no external crystal, oscillator, or resonator required.
  • UART signal inversion option.
  • USB bulk transfer mode.
  • 3.3V to 5.25V Single Supply Operation.
  • UHCI/OHCI/EHCI host controller compatible.
  • USB 2.0 Full Speed compatible.
Microduino-FT232R-Pinout

Documents

Development

Uploading Arduino program to Microduino-Core/Core+ with Microduino-USBTTL

  • 1. Install Arduino IDE: Microduino use the same IDE as Arduino, please download Arduino IDE from 【Arduino IDE official】 and install it in your disk. (if you already have it, just skip this step). Please check Arduino IDE details from 【Reference】 and 【Workshop】.
  • 2. Patch Microduino package: Please download Microduino package for Arduino IDE from 【download】, and unzip is to {Your Arduino Install Driectory}/hardware directory.
  • Microduino Arduino IDE Reference workshop: 【Arduino IDE Microduino Configuration】.
  • 3. Programming: Upload program to Microduino-Core or Microduino-Core+ through Arduino IDE, with Microduino-USBTTL module.
  • 4. Enjoy your Microduino journey!

Applications

Buy

History

  • 2013/02/27: the second formal release.
  • 2012/11/17: the first formal release, fix bugs in beta version.
  • 2012/11/05: beta release, problem shooting:
    • 5V power was not connect to Microduino interface
    • Micro USB socket was not stable, it might be broken after several times plug.

Pictures

Micromodule FT232R Front
Micromodule FT232R Back
取自“http:///https//wiki.microduino.cn/index.php?title=Microduino-USB2TTL&oldid=4092”