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Question from the Customer:
For a project focused on SD cards in SPI mode, I am looking at the Aardvark I2C/SPI Host Adapter and the Cheetah SPI Host Adapter. To cut costs, I am also looking at using Beagle I2C/SPI Protocol Analyzers instead of oscilloscopes. Looking at the specificatio...
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About the SPI Protocol
SPI, Serial Peripheral Interface bus, is a synchronous serial data protocol that was developed by Motorola in the 1970s. The protocol was developed to replace parallel buses and provide high speed data transfers over short distances.
It is a full-duplex protocol th...
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Question from the Customer:
I am working on a new project and after reading your article Did You Know That a Beagle Protocol Analyzer Can Be Integrated with Wireshark or ARM-based Hosts?, it looks like the Beagle I2C/SPI Protocol Analyzer could do the job. To be sure this is the right ...
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What is the SPI Protocol?
Overview of SPI
The SPI protocol was developed by Motorola in the mid 1980s to provide a language for electronic devices to communicate. The communication typically happens over short distances used on a circuit board or in a small electronic device. SPI is a simp...
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What is the I2C protocol?
History of I2C
When connecting multiple devices to a microcontroller, the address and data lines of each device were conventionally connected individually. This would take up precious pins on the microcontroller, result in a lot of traces on the PCB, and require m...
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The USB Protocol
The USB protocol was introduced in 1996 as a way to institutionalize a more widespread, uniform cable and connector that could be used across a multitude of different devices. The idea was to simplify the connection of devices to and from a host computer. The protocol is cu...
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Question from the Customer:
I am looking at the Beagle USB 5000 v2 SuperSpeed Protocol Analyzer - Standard Edition, which supports both USB 2.0 and USB 3.0 at a reasonable cost. For some cases, I need to store large amounts of data; some tests run for days. How can I store data that e...
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Successful communication between devices is key to having a properly functioning embedded system. Embedded systems rely on and function using protocols, or a set of rules that govern the transmission, synchronization, and error checking of data sent and received between devices. Because the...
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Question from the Customer:
I am working with Active Optical Cables (AOCs), and I am using the Beagle USB 5000 v2 SuperSpeed Protocol Analyzer - Ultimate Edition. I am having a problem diagnosing one of the USB 3.0 Standard-A to USB Micro-B cables with an industrial USB 3.0 vision camer...
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Question from the Customer:
I am looking for tools to use with an upcoming project. The tasks include extended evaluation periods that can last up to five days. There are multiple SPI buses to monitor with speeds that vary from 1-2 Mbps. Although the periods can be lengthy, the data tr...