Please review the I2C2002-1 Evaluation Board Appnote before using your kit!
Q: What is included in
A: The kit contains the Philips I2C2002-1 Evaluation Board (PCA85xx I2C devices), the I2CPortv2.0 printer port
adapter, and the latest version of Win-I2CNT on CD. Included on the CD are the Philips Application Notes for
the IC devices supported on the I2C2002-1 Evaluation Board. Cables and the AC power adapter are also included.
I2C2002-1kit Information Flyer
Q: Where do I get more
technical information for the Philips I2C devices and the I2C2002-1 Evaluation
A: Link to the Philips Semiconductors' website for datasheets and appnotes: http://www.philips.com/i2clogic
Overview of the I2C2002-1 Evaluation Board, Win-I2CNT and kit capabilities: I2C2002-1 Eval Board Overview
For information regarding other I2C evaluation boards mentioned in the above overview, please contact
Philips Semiconductors via Email: email@example.com
Q: Is a full schematic available for the Philips I2C2002-1 Evaluation Board?
Q: What are the USB connectors
on the I2C2002-1 Evaluation Board and the small "USB Adapter Board" ?
A: These connections are NOT for "USB", but allow using a common USB cable to connect buffered I2C from the
I2C2002-1 Evaluation Board to the "USB Adapter Board" via the P82B96 I2C bus buffer ICs.
These connections should NEVER be mistakenly connected to a PC USB port or USB peripheral!
The only possible I2C connection to your PC is through the I2CPortv2.0 parallel (printer) port adapter.
Q: "SDA Stuck Low" error
message results from Win-I2CNT menu when any I2C communication is attempted.
A: Make sure the 4-pin I2C cable is properly connected between the I2CPortv2.0 adapter and the I2C2002-1 board.
Disconnect the I2C cable from the I2CPortv2.0 adapter and read the 256x8 EEProm to verify adapter & software
functionality. This error message may also result if the connected I2C2002-1 eval board is not getting 9v power.
The six green LEDs next to the PCA9561 should illuminate when power is first applied to the I2C2002-1 board.
Q: Reading the LM75A temperature
sensor(s) does not reflect any temperature changes in the Win-I2CNT display.
A: Make sure one of the two channels of the PCA9543 (2:1 I2C Mux) has been programmed to select the desired
LM75A temp sensor IC.
Q: Where do I find additional
information regarding the Win-I2CNT software and I2CPortv2.0 printer port
A: Refer to the Win-I2CNT FAQ page.
Q: I want to write my
own I2C software in Visual Basic, C++, Delphi, etc. Are the drivers
and examples available?
A: The Win-I2CNTDLL kit provides this capability.
Q: How do I determine
whether or not I have the latest version of Win-I2CNT for the I2C2002-1
A: See <Help-About> from the main Win-I2CNT menu to verify the installed version.
Win-I2CNT v4.2 is the the newest release and can be downloaded from our website;
Refer to your kit documentation or view the <Regformxx.txt> file in the Win-I2CNT installed directory of your HDD.
Q: Who do I contact for
A: Technical support for the I2C2002-1 Evaluation Board and associated PCA95xx ICs: firstname.lastname@example.org
Technical support for the Win-I2CNT software and the I2CPortv2.0 adapter: email@example.com
Known issues with the I2C2002-1 Evaluation Boards:
1) The 2-position
"GPIO" DIP switches next to the PCA9501 and PCA9554 appear to be stuck
in the "off" position.
These two switches were intentionally fixed (glued) as they do not influence the GPIO pins of these ICs.
The GPIO pins for these ICs can be controlled externally from the headers next to each device.
2) The 3.3v and
5v supply voltages measure a little high.
The Vadj resistor values for the two LM317 regulators may be incorrect and can be reduced to correct this problem.
Replace the existing Radj resistor values: R18 (27k) with 22k and R20 (15k) with 12k.
Or, replace all four existing resistors with new values (divided by 10: R17=910, R18=2.7k, R19=910, R20=1.5k).
!! Do not apply power to the board without R17, R18, R19, and R20 resistors in place !!
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Nov 25, 2004