TUL - TPUART USB light (ATMEGA version)

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

• TPUART V1 manual
• Atmega32u4 manual
• TUL Schematics

Firmware

• FT1.2 serial port BCU - this will make the TUL emulate FT1.2 serial interface
• 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
• Arduino-style-files - TUL is a "Arduino-Leonardo"-compatible device
  • you may compile files with Arduino-IDE and upload them manually as descibed below

How to flash this device:

• locate the PROGRAM button at the back of the module
• keep it pressed while plugging the module in
• run:

• optionally you may run: make dfu

Price and availability

This module is no longer available

LUFA makefile settings:

You must use current HEAD version of LUFA.

Feature board: