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Win-I2CNTDLL is a complete 32-bit PC-based software/adapter bundle for 100kb/s I²C and includes the full version of Win-I2CNT for verification of I²C/SMBus hardware.
This kit also includes a DLL for use with other development environments such as Delphi, Visual Basic, Visual C++, and C++ Builder to create custom I²C applications using CDECL or STDCALL calling conventions (refer to the User’s Manual for details).  Included DLL examples can be downloaded
from our FAQ page . A 3rd party LabView  example is available upon request (no support).

The following lists the basic functionality of the driver:
I2C_Start - generates an Start Condition
I2C_Stop - generates a Stop Condition
I2C_Write - writes a byte to the I²C bus
I2C_Read - reads a byte from the I²C bus.
I2C_WriteArray- writes a specified number of data bytes from an I²C device
I2C_ReadArray - reads a specified number of data bytes from an I²C device
SetI2CFrequency - sets the I²C frequency
GetI2CFrequency - returns the current clock frequency
GetMaxI2CFrequency - returns the maximum possible frequency (user hardware dependent)
SetLPTNumber - allows the user to choose which parallel port to use for I²C bus transmissions
milliseconds - inserts a delay into the I²C message.

A User’s Manual and sample applications are included to aid the user to quickly generate their own I²C applications.
The Win-I2CNT hardware documentation is also included  (see FAQ page).
The Win-I2CNTDLL kit includes a single user license for Win-I2CNT and Win-I2CNTDLL. Volume pricing is available upon request.

The LPT port adapter (I2CPORTv2.0) was designed specifically for the software; includes 3 different I²C header configurations, on-board socketed 256byte I²C EEprom for easy EE programming;  and includes jumper selectable 5 or 3.3 volt capabilities to accommodate I²C buses of either supply voltage. The adapter can be self powered from the PC parallel port or from the connected I²C target system. The I²C connections are standard 4-pin 0.1〞stake headers. An LED indicates power and communication activity.

Win-I2CNTDLL Kit Contents:

  • Win-I2CNTDLL software/documentation on CD (includes Win-I2CNT
  • I2CPortv2.0 adapter (shown above)
  • QuickStart Guide installation sheet
    Note: I2C cable is not included

Please note that Win-I2CNTDLL software / driver is not designed for use with other generic I²C printer port adapters (such as the generic "I2CPort"  adapter).
Only the I2CPortv2.0 series adapter that is bundled with the software will work properly with Win-I2CNT and Win-I2CNTDLL software kits.  (However, our I2CPort2.0 will work with other generic I²C parallel port software programs).

     Download Win-I2CNTDLL Specification 

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