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TUL - TPUART USB light

Prototype V1.0

General

This module glues an TPUART EIB/KNX bus coupler to USB 2.0. The freely programmable microcontroller allows any kind of USB device favours.

Have a look at this modules Image Gallery


Specs

  • TPUART connected to USART of:
  • ATmega32u4 @ 16MHz
  • USB A male connector (optional USB Mini B)
  • two LED
  • isolation: UL1577, 3750 VACRMS for 1 min.
  • dfu-bootloader - allows flashing firmware by using USB
  • optional: 2x10 pin 100mil feature connector (incl. ISP/JTAG/I2C/SPI)
  • optional: plastic case

Documents

Firmware

  • FT1.2 serial port BCU - this will make the TUL emulate FT1.2 serial interface
    • @Windows: find INF files here - Other OS will have native drivers.
  • transparent TPUART - This will allow native access to TPUART providing an emulated serial port (CDC ACM) on host PC
    • use with: eibd -i -D -T -S -e 1.1.251 tpuarts:/dev/ttyACM0
    • @Windows: use this USBtoSerial.inf - Other OS will have native drivers.

How to flash this device:

  • locate the PROGRAM button at the back of the module
  • keep it pressed while plugging the module in
  • run:
dfu-programmer atmega32u4 erase --force
dfu-programmer atmega32u4 flash yourfirmware.hex
dfu-programmer atmega32u4 reset

    • optionally you may run: make dfu

Price and availability

This module is available in our shop for 69 Euro (incl. VAT)

LUFA makefile settings:

You must use current HEAD version of LUFA.
MCU = atmega32u4
ARCH = AVR8
BOARD = TUL
F_CPU = 16000000

Feature board:

Breakout for developers - pinheaders for ISP and JTAG programmers

Created by: tostmann last modification: Thursday 02 of June, 2016 [18:37:14 UTC] by tostmann


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