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I2C Monitoring / Debugging Tools
Using a
regular scope to monitor the I2C bus is rather tough. When you are in control then you can
easily generate a trigger for the
scope. If you are not in control (in an
existing system), then things get more complicated.
You will need a storage scope to monitor the activity on the bus. If
you need to monitor a system with different slaves then you will need some
means of discriminator to filter out only the transmission you want.
Commercial monitoring / debugging tools
There are a number of debugging tools out there which can monitor an
I2C bus:
Company: Philips
Semiconductors
Product Name: Development tools for 8048 and
8051-based systems
Product Description: Philips
Semiconductors has developed a number of demonstration boards for
analysis and testing of I2C-bus devices. The demonstration boards
connect via a cable to the Centronics printer port of a PC and have
a 4-stake I2C-bus connector for convenient lab use. Software
supplied with each board provides interactive control of devices on
the I2C-bus and allows the user to construct, send and receive I2C
messages.
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Company: Micro
Computer Control Corporation
Product Name: I2C
Bus Monitor MIIC-101
Product Description:
- Stand Alone or Remote I2C Bus, ACCESS.bus,
and SMBus Troubleshooting Tool.
- Real Time Trace to 100 kbit/s.
- Supports General Calls, and
Multi-Master/Multi-Slave Addressing.
- Displays Start/Stop Events, Device
Addresses, Read/Write Requests, Acknowledgements, and Data.
- Optional I2C
Analyzer Software Package.
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Company: Calibre
Product name: I2C
bus communication adapters & software tools for PCs
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Company: The
Boardshop
Product Names:
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