Support Question of the Week – USB Power Management
Q: I have a Beagle USB 480. I need to know if it does support LPM-L1 and, if it does not, which product of yours would support it. A: LPM-L1 is one level (LPM-L2 is the other) of the power management...
View ArticleReading Device ID from SPI Flash Using the Cheetah Host Adapter
Starting with the recent Design West Conference, we’ve had a focus on SPI programming over the last several weeks. We recently added support for all Spansion Serial NOR Flash Memory and the latest...
View ArticleReading Device ID from SPI Flash Using Aardvark Adapter and Control Center
Today’s blog is based on a recent addition to our Knowledge Base, Article 10070. Introduction The Aardvark Adapter is frequently used for Programming and reading SPI memory devices. There are several...
View ArticleSupport Question of the Week: Accelerating Bit Rate for Programming SPI Flash
Q: I am using the Aardvark host adapter to program 32MB SPI Flash. The write throughput is much slower than expected, 800KHz instead of 1KB/s. At this speed, it takes about two hours to program a...
View ArticleSupport Question of the Week: Changing the Bit Rate to Connect to Flash...
Q: I have been using the Aardvark host adapter and Flash Center, and I am now trying out the high-speed Cheetah host adapter. The Cheetah successfully connected to the Flash Center. However, after...
View ArticleSupport Question of the Week: Fully Erase Flash Memory before Re-programming...
Q: I am re-programming 16MB into 16MB flash memory, which needs to be erased before re-programming. My question – does Flash Center automatically do a full chip erase before re-programming a flash...
View ArticleLooping Komodo CAN Duo Interface Channels Using Komodo GUI
Q: I am using the Komodo CAN Duo and the Komodo GUI interface. What I want to do is loop CAN A to Can B. I connected CAN A+ to CAN B+, CAN A- to CAN B-, and GND A to GND B. I need to send a CAN...
View ArticleSupport Question of the Week: Setting up Beagle 5000 USB 2.0 Protocol...
Q: I want to use the Beagle 5000 USB 2.0 Protocol Analyzer for debugging with trigger functions for USB 2.0 bus states such as RESET and SUSPEND. It would be helpful if you could show me how to do...
View ArticleSupport question of the week: Beagle USB 5000 Protocol Analyzer USB 2.0...
Q: The Beagle USB 5000 USB 2.0 Protocol Analyzer is new to me and I could use some details about how it works. The transaction log below shows recent trace captures, with and without NAK. Figure 1:...
View ArticleSupport Question of the Week: Comparing SPI Host Adapter Timing for SPI Data...
Q: We are using an Aardvark I2C/SPI Host Adapter in our test setup to read a GPIO pin and act as an SPI Master. I observed there is a delay of approx. 7μs between bytes in the SPI transfer. This...
View ArticleSupport Question of the Week: Setting up Two Cheetah SPI Host Adapters on One...
Q: Right now, I have one Cheetah SPI host adapter hooked up and it is working great. I am looking into using two Cheetahs on the same PC. I have some questions: Can two Cheetahs work on the same PC?...
View ArticleSupport Question of the Week: Viewing MISO Message Length with I2C / SPI Host...
Q: Can you help me with the Aardvark SPI host adapter? I’m using the Control Center GUI, which I expect to allow the MISO messages to be 4 kB long, but the picture below shows the maximum length of...
View ArticleSupport Question of the Week: Comparing Aardvark and Cheetah SPI Host Adapter...
Q: We are using an Aardvark I2C/SPI Host Adapter in our test setup to read a GPIO pin and act as an SPI Master. I observed there is a delay of approx. 7μs between bytes in the SPI transfer. This...
View ArticleSupport Question of the Week: Using Aardvark Host Adapter and Control Center...
Q: I am using the Aardvark I2C/SPI Host Adapter and the Control Center software to read from and write to the registers of the target device, ADV7850. I could use help with the following: How do I set...
View ArticleSupport Question of the Week: Configuring the Cheetah SPI Host Adapter Clock...
Q: I have questions about the clock edges for your host adapters. Can I select which clock transition (high-to-low, or low-to-high) the unit uses to shift out data? Can I select which clock transition...
View ArticleSupport Question of the Week: Using a Level Shifter Board for Fast SPI Signals
Q: I am working on an embedded machine that supports fast SPI signals at 1.8V logic levels, and I’m trying to communicate with a device that supports SPI at 3V logic levels. The SPI (serial peripheral...
View ArticleSupport Question of the Week: How to Communicate via 10-bit I2C Address Mode...
Q: I am using an Aardvark I2C/SPI Host Adapter and the Control Center software. I am trying to sent one byte data 0×55 from my board (Master) to the 10-bit slave address (0x3FF). Doing this, I saw ACK...
View ArticleSupport Question of the Week: Reduce Read Latency when Programming SPI...
Q: I tested our SPI SFlash with the Aardvark I2C/SPI Host Adapter and Flash Center Software. For that test, I modified the XML file and it works. The erase time is approximately 110 seconds, which is...
View ArticleSupport Question of the Week: Using the Cheetah SPI Host Adapter on a...
Q: We need to deploy SPI Host Adapters in our production line. Can you verify the Cheetah SPI Host Adapter support the following key factors for our production? Support MX25L25635 Flash Memory Upload...
View ArticleSupport Question of the Week: Aardvark Multi-Purpose Host Adapter or Beagle...
Q: I have an Aardvark I2C/SPI Host Adapter. I have been able to monitor I2C traffic up to approximately 300 kbps, but now I need to monitor at 400 kbps. Can I make Aardvark work at this speed or are...
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