USB low-full-high speed peripherals Forum Discussions

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My system have a EZ-USB FX2LP.

In "Receiver sensitivity Test", my system is failed.

"Pass Limits:<= 200.000 mVDevice receiver sensitivity [218] (Worst of 2 Trials)229.100 mV # Trials Run: 2Worst Trial: Trial 1"

Is there a control register for "Receiver sensitivity"

Thanks.

I have a custom board based on the FX3S processor with an attached debugger section using the CY7C65215. The connections of the CY7C65215 are a direct copy of the CYUSB3KIT-003 Superspeed kit. (TCK/TDI/TDO/TMS/RST)

By following the instructions in the EZ-USB Suite UserGuide, and using the Cypress USB Control Center and USB Serial Configuration utilities, I have setup my CY7C65215 identically to the one on the SS kit, both show three USB interfaces when connected:

USB-Serial (Dual Channel) Vendor 1
Cypress FX3 USB Bootloader Device
USB-Serial (Dual Channel) Vendor MFG

SCB1 is configured for JTAG. I set this manually at first, but after failures, just read the entire configuration direct from the SS Kit and applied to my CY7C65215 to ensure identical settings.

I am able to reliably use the SCB0 port for UART debug console logging from the FX3S, but am unable to reliably/successfully JTAG. It has worked once or twice, but most often it fails when attempting to load the firmware. I have attempted the same operations with the same firmware on the SS kit and both UART console logging and JTAG work smoothly.

I have read the errata and discussions below about known issues with the use of the JTAG simultaneously with the UART and have disabled the Uart initialization and usage when attempting to use the JTAG.

At this point, the only thing I can identify that is significantly different is the CY7C5215 device version. The SS kit is reporting 1.0.10.2 while my chip is 1.0.3.78 Could this be related to the issues I am seeing? If so, how could I update or acquire a part which is more current?

CY7C65211 cyusbserial.dll library function CyI2cRead() length bug, errata?

Errata 4. JTAG on SCB1 cannot simultaneously operate with I2C/SPI/UART on SCB0.

Hi

I am a developer looking at Cy7c68013 as a replacement for cy7c68001.

When using the Cy7C68001 Device, "BUSACTIVITY interrupt : detected either an absence or resumption of activity on the USB bus." was used to determine the USB disconnection.

Is there a way to detect absence activity on the USB bus on Cy7C68013A?

Hi,

I met the problem when trying to update firmware to a new EEPROM in FX2LP in Windows 10/ 64-bit. The device can't be identified successfully and the application "cyclone" is locked and can't to operate anymore to load a new firmware.

How can I solve this problem? Thanks a lot.

Hello everybody,

I have a project with my team for which we want to use the CYUSBS234 USB-SPI-Bridge. Unfortunately I only found one C ++ library for it. But we need the library for Ansi C, C # and for Windows console applications.

Are there libraries for this and if so, where can I find them?

Thank you for your feedback

Jakob

Hi,

I'm using cy3684 DVK , the windows version is 7 and 10(2 computers) working on Korean version,

The problem is example An66806 hex file does not working.

So my question is  do I need to change some parts of code? or is there a newest version of the example?

sorry for short english.

Regards

Taehyung

Hello

I'm using CY3684 Development Kit, using windows 10 64bit user.

I'm having problem with an66806, the hex file that I can download does not load on the evaluation board.

when I tried to load the hex file, the connect from evaluation board to pc becomes disconnected...

with other examples, like bulkloop and cystreamer work well, but especially this an66806 gpif hex files not loaded.

So my question is, is there a pre-work for loading gpif hex file to evaluation board?

Thank you.