USB low-full-high speed peripherals Forum Discussions

HI. CY7C65211 is used as I2C master to read temperature from sensor which is I2C slave，but in the Win10 system, occasionally the value cannot be read, I would like to know the possible reasons？Is it due to the difference between CY7C65211 and CY7C65211A? Show Less

Hello Forum,

I'm strugglin with an application to manage a DLP projector from Texas Instruments; this projector uses the cypress USB to I2C gateway to interface user commands with the projector controller.

The TI example program uses the library for WIN32 and it works, nevertheless, I need to switch to x64 platform. I downloaded the Cypress USB-Serial SDK and uses the x64 -> cyusbserial.lib and cyusbserial.dll to recompile my C++ project, nevertheless there are some broken dependencies and I track the issue to the definition header of the TI example program:

/*This is to export Windows API*/
#ifdef WIN32
#ifdef CYUSBSERIAL_EXPORTS
#define CYWINEXPORT CppCALLCONVEN __declspec(dllexport)
#define WINCALLCONVEN
#define LINUXCALLCONVEN
#else
#define CYWINEXPORT CppCALLCONVEN __declspec(dllimport)
#define WINCALLCONVEN
#define LINUXCALLCONVEN
#endif

Does anyone know how to export the Windows API to WIN64?

Thanks

Show Less

Hello

This is a confirmation of the electrical characteristics of CY7C65211A.

As shown in the datasheet (GPIO Table 5. GPIO DC Specification), there is no specified value for Min Value of VIL.

Also, there is no standard for the minimum voltage of the input voltage even in the absolute rating.

Q)

What is the negative maximum rating for the VIL of CY7C65211A?

※Other companies' ICs are standardized at -0.3V, -0.5V, etc.

 

Best Regards

Show Less

我在基于.NET Framework 4.7.2使用CyUSB.dll（version3.4.7）的时候，在X86下运行正常，但在x64下运行不正常，会在USBDeviceList devices = new USBDeviceList(CyConst.DEVICES_CYUSB);报错System.OverflowException。具体信息如下：System.OverflowException
HResult=0x80131516
Message=算术运算导致溢出。
Source=CyUSB
StackTrace:
在 CyUSB.PInvoke.CountDevices(Guid g)
在 CyUSB.USBDevice.get_DeviceCount()
在 CyUSB.USBDeviceList..ctor(Byte DeviceMask, App_PnP_Callback fnCallBack)
..................

这个问题似乎与https://community.infineon.com/t5/USB-low-full-high-speed/CyUSB-dll-x64-OverflowException/m-p/211970#M7600一样，看题主的回复，最后也没有解决问题。请问如何处理，有没有更新的CyUSB.dll？

Show Less

Hi! 

 

My customer asked me that sometimes usb-plugged out but still remains as a alive port in PC?

Do you have an experience for it?

If you have, please help me to solve that issue.

 

Many thanks

BRs

Daniel Lim

Show Less

Hello Infineon.

 

Q1)

If SUSPEND and WAKEUP pin are not used(These pins do not connect to the host), could you please let us know the recommended connection method for these pins?

(Open?, pull-up?, pull-down?, Connect directly to GND or VDDD? etc)

 

Is SUSPEND pin OK to leave it open because this pin is output?

 

Does the recommended connection method for these pins change depending on the Internal Flash Configuration setting(Enabled, Disabled, Polarity etc)?

 

 

Q2)

Serial Communication Block Configuration is used as Mode 0(default setting) of Table 14 at DS.

In this case, could you please let us know the recommended connection method when DSR#, RTS#, CTS# and DTR# are not used?

(Only RxD and TxD pin are used. And use as Mode 0(default setting) without changing to Mode 2 from default setting.)

 

 

Best Regards.

YuMa

Show Less

Hello Infineon.

 

Q1)

Could you please let us know UART default setting of CY7C65211-24LTXI?

(Baud Rate, date length, parity, stop bit, flow control etc)

 

Q2)

Could you please let us know download link for a tool that can check and change those settings?(for window PC)

 

Best Regards.

YuMa

Show Less

Hello

Is it possible to change the TXDEN leg of the CY7C65213-28PVXI IC from GPIO6 to pin GPIO2 with the "Cypress USB-serial configuration utility" or a different way?

We want to use CY7C65213-28PVXI instead of FT232RL. Only the TXDEN pins are different in pinouts between the 2 products. All other pins are compatible.

There are many PCB boards that have already been made and it is not possible for us to modify these boards.

Can you help me.

Show Less

Hello

Please let me know the details of the data sheet for the specifications of RS485 TXDEN.

<Confirmation details>

Regarding the TXDEN control signal of CY7C65213A-32LTXI, could you please tell me the timing specifications below?

I have listed the above-mentioned target points in the attachment. Please find attached.

Q1) Please tell me the specifications of the Min/Max values for the time from TXDEN Enable to TXD transmission start.

Q2) Please tell me the specifications of the Min/Max values for the time from TXD transmission end to TXDEN Disable.

Q3) Regarding the above values, is it possible to change the time by software?

 

Best Regards

Show Less