NXP Semiconductors
UM10789
USB-I²C-bus dongle OM13518 with a GUI
UM10789
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2014. All rights reserved.
User manual
Rev. 1 — 19 May 2014
5 of 19
In case that the periphery is connected to the +5V from the OM13518 no V
DD
connection must be used.
Fig 2.
Interfacing to the I
2
c-bus
There is no need for external pull-up resistors, since 10 kΩ pull-ups are already built in
the OM13518 dongle.
4. Installation
4.1 Hardware and driver installation
4.1.1 The box contains:
•
One dongle
•
One USB cable
•
Three I
2
C-bus cables:
−
One with female connector dedicated for NXP-RTC evaluation boards
−
Two cables for custom use via solder connection
−
The signal assignment is imprinted on the interface module
Fig 3.
A) Dongle OM13518, B) connected to an evaluation board
