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Connii: reserved
Connii MM: TEST_OUT
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Category: Audrii - I2C Integrated Level Shifter, Test and Prototyping Board, Connii - I2C Fast Mode Interface for USB, Connii MM - I2C Fast Mode Interface for USB, I2C Multimaster, Other telos I2C tools, Tracii XL - High Speed I2C Interface And Monitor
In addition to the PS/2 connector which should be used for i2c and test pin connection as the default connector, Tracii XL provides a SUB-D 15 connector for future extensions and special applications. We do not encurage users to make use of this connector in standard applications but since we receiv...
Category: Tracii XL - High Speed I2C Interface And Monitor
Microsoft Windows, starting from Windows XP, will detect a new hardware if you just plug it into a different USB port on your computer. This is normal.
I have no idea what use this could have but Microsoft decided to implement it. This means that you may have to go through the "Install Hardware Wiz...
Category: Connii - I2C Fast Mode Interface for USB, Tracii XL - High Speed I2C Interface And Monitor
Under certain circumstances the I2C speed is lower that desired. This behaviour depends on the termination (pull-up resistor) and on the real capacitances of the I2C bus. If the termination is too high (e.g. 10k) and the capacitance on the bus is high too (e.g. > 200pF) this will lead to an increasi...
Category: Tracii XL - High Speed I2C Interface And Monitor
If an I2C transfer is transmitted correctly but I2C studio gets stuck then it is often an electrical problem of the I2C bus. XL needs to trace its own data to recognize e.g. a stretching slave. But if the termination is too low or the thresholds are bad then the XL board could not "see" its own data...
Category: Tracii XL - High Speed I2C Interface And Monitor
Tracii XL cannot operate without a reference voltage. The effects are that no I2C communication is possible. If you look at the SDA and SCL lines with an oscilloscope, you can see decreasing voltages which result in incorrect transmission. This is not a bug of Tracii XL - this is really a feature! I...
Category: Tracii XL - High Speed I2C Interface And Monitor
Q: When enabling the high-speed master mode of Tracii XL I can see transfers to an I2C slave with address 0x04. As there is no slave with such address on my I2C bus, these messages get no acknowledge. Who sends these messages to the I2C bus and why?
A: The I2C protcol specifies a high-speed ...
Category: Tracii XL - High Speed I2C Interface And Monitor
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