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Title
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Customer Rating
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Updated
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How to Avoid the Need for an External EEPROM - KBA83524
Question: Can I use the default VID/PID and default descriptors for the hub to avoid the need for an external EEPROM?
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Not yet rated
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05/02/13 |
How to Configure Unused Downstream Port (D+ and D-) in CY7C65640B/30/20 - KBA83523
Question: How should I configure the unused downstream port (D+ and D-) in CY7C65640B/30/20?
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Not yet rated
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05/02/13 |
Using External EEPROM with HX2VL Hub - KBA86998
Question: Is it compulsory to use the External EEPROM with the HX2VL hub?
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Not yet rated
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04/12/13 |
ISP Support with USB Hub Products - KBA87003
Question: Do Cypress USB hub products support In-System Programming?
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Not yet rated
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04/12/13 |
Connecting the TEST/I2C_SCL Pin of EZ-USB® HX2VL™ - KBA85448
Question: Do I need pull-up resistors to connect the TEST/I2C_SCL pin of an EZ-USB HX2VL device?
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Not yet rated
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04/04/13 |
In-System EEPROM Programming for CY7C65620/30 - KBA82845
Question: Is there any program from a PC to in-system EEPROM programming to connect to the CY7C65620/30 hub? If so, how does this programming work?
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Not yet rated
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10/10/12 |
For HX2LP OVR# Pins, Whether They Have an Internal Pull-up Resistor or Need an External Pull-up - KBA82846
Question: The HX2LP datasheet states a default state of '1' for the OVR# pins. Do they have an internal pull-up resistor or do we need an external pull-up if the pins are not used?
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Not yet rated
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10/10/12 |
Windows Hardware Certification Process for Customer Modified Cypress USB Driver Files
Windows Hardware Certification Process for Customer Modified Cypress USB Driver Files
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Not yet rated
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07/10/12 |
Dimensions of the E-pad for CY7C65640A
How to get the dimensions of the E-pad for CY7C65640A?
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Not yet rated
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01/24/12 |
CY7C65640B/30/20 as a bus powered hub
Can the CY7C65640B/30/20 be configured as a bus powered hub?
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Not yet rated
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12/29/11 |
clock speed of SPI_SCK
What is the clock speed of SPI_SCK?
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Not yet rated
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12/26/11 |
Change the values in configuration descriptor for the Self-powered hub for CY7C66113
How does the hub handle the GetStatus requests by changing the values in configuration descriptor (bmAttributes=self-powered and MaxPower=0)?
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Not yet rated
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11/15/11 |
Single Transaction Translator(STT) and Multiple Transaction Translator (MTT)
what is the difference between Single Transaction Translator(STT) and Multiple Transaction Translator (MTT)
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Not yet rated
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10/09/11 |
Transaction Translator (TT) in USB Hub
What is Transaction Translator (TT) in USB Hub?
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Not yet rated
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10/09/11 |
Programming the EEPROM for the CY7C65640B/30/20
How do you program the EEPROM for the CY7C65640B/30/20? Must it be done on a stand alone programmer, or can it be programmed over the USB?
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Not yet rated
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10/03/11 |
4602B reference design kit
What does the 4602B reference design kit include?
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Not yet rated
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10/03/11 |
Bus powered device
If a device uses >400 ma (but <500mA) . Is it possible to configure it as a bus powered device? What are the options and restrictions for configuring a device of this power consumption?
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Not yet rated
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09/26/11 |
OVRx# pins
Do we need external resistors if the OVRx# pins are not used or do they have internal resistors?
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Not yet rated
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09/22/11 |
Capacitance on VBUS Line
The large capacitors on the downstream VBUS lines cause the a slow drop of the line voltage when the hub is unplugged/unpowered. Are they really required?
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Not yet rated
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09/22/11 |
Plugging Devices into a Hubs Downstream Ports
Why do we get error messages when plugging a device into one of the hubs downstream ports? For example, when we connect a USB keyboard that need 400 mA power , we see the following error message in Windows: "The hub does not have enough power available to operate the USB Composite device".
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Not yet rated
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09/16/11 |
Maximum Allowable Current that can be Drawn from the Host by a USB Hub
What is the maximum current a USB hub can draw from the host?
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Not yet rated
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09/12/11 |
Moisture Sensitivity Level (MSL) of Cypress Parts
How do I find Moisture Sensitivity Level (MSL) of Cypress parts?
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Not yet rated
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09/08/11 |
What are the crystal requirements for the CY7C65620 / CY7C65630 / CY7C65640B hubs?
What are the crystal requirements for the CY7C65620 / CY7C65630 / CY7C65640B hubs?
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Not yet rated
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08/29/11 |
How should the RESET pin be configurated on the CY7C65640B/30/20?
How should the RESET pin be configurated on the CY7C65640B/30/20?
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Not yet rated
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08/29/11 |
Can I use the default VID/PID and default descriptors to avoid the need for an external EEPROM ?
Can I use the default VID/PID and default descriptors to avoid the need for an external EEPROM ?
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Not yet rated
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08/29/11 |
Replacement part for CY7C65630-56LFXC
What is the replacement part for CY7C65630-56LFXC?
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Not yet rated
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08/29/11 |
How should the unused port (D+ and D-) be configured in the CY7C65640B/30/20?
How should the unused port (D+ and D-) be configured in the CY7C65640B/30/20?
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Not yet rated
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08/29/11 |
CY7C66113 be used as a dual device
Can the hub part, CY7C66113 be used as a dual device (2 keyboard for example) hub connected to a host. Is this possible without the need for a hardware "wedge" circuit or a special driver?
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Not yet rated
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07/05/11 |
To add more code when no space is available for CY7C65113
How to add more code (<248 bytes) as there is no space available. What routines to delete?
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Not yet rated
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07/05/11 |
When code compiled with the ByteCraft C compiler is loaded into CYDB not all of the debugging features are functional
When code compiled with the ByteCraft C compiler is loaded into CYDB, not all of the debugging features such as breakpoints and single stepping are functional.
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Not yet rated
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06/27/11 |
When developing a USB hub with the CY3654+P03 development kit why don't any devices show up in the device manager
When developing a USB hub with the CY3654+P03 development kit why don't any devices show up in the device manager when plugged into the downstream ports?
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Not yet rated
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06/27/11 |
Two unknown devices always show up when using the CY3654+P03 dev kit
When using the CY3654+P03 development system to develop a hub, or compound device (such as a keyboard hub), two unknown devices always show up in the device manager?
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Not yet rated
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06/27/11 |
two "Unknow Device" shown when running the CKHub reference design on my CY3654+P03 board
I am running the CKHub reference design on my CY3654+P03 board. Under the Device Manager window, there're two "Unknow Device". Why?
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Not yet rated
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06/24/11 |
a ceramic resonator instead of a crystal for CY7C64x13, CY7C65x13 and CY7C66x13
Can a ceramic resonator be used instead of a crystal for CY7C64x13, CY7C65x13 and CY7C66x13?
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Not yet rated
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06/24/11 |
some questions for the CY7C65100 VID and PID
What VID and PID does it supply? Can I change the VID and PID?
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Not yet rated
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06/22/11 |
Can an external clock source be used instead of a crystal? If so what do I do with the unused XTALOUT pin?
Can an external clock source be used instead of a crystal? If so what do I do with the unused XTALOUT pin?
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Not yet rated
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06/22/11 |
some information about CY7C65100
Is there some information about CY7C65100? How it works? when it start to run, how firmware works or is that possible to get code for this firmware?
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Not yet rated
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06/22/11 |
My device uses >400 ma (but <500mA) . Is it possible to configure it as a bus powered device?
My device uses >400 mA (but <500mA). Is it possible to configure it as a bus powered device? What are the options and restrictions for configuring a device of this power consumption?
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Not yet rated
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06/22/11 |
About CY7C65100, CY7C65103 and CY7C66113 USB hub solutions
Will any sample code be offered for CY7C65100, CY7C65103 and CY7C66113 hub solutions?
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Not yet rated
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06/22/11 |
Unused downstream ports of CY7C65x13 and CY7C66x13 full speed USB Hub
What should I do with the unused downstream port pins in CY7C65x13 and CY7C66x13 full speed USB Hub?
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Not yet rated
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06/22/11 |
GPIO Glitches on CY7C66013
Whenever I write to a GPIO port on the CY7C66013 (Revision E), I get negative glitches on the output pins. Why?
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Not yet rated
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06/22/11 |
A USB hub is plugged into USB1.1 host and produces USB2.0 signal rate at the downstream ports?
I want to design a USB hub that is plugged into USB1.1 host and produces USB2.0 signal rate at the downstream ports.
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Not yet rated
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06/22/11 |
Driver for USB Hub controller (CY765100,CY765113 and CY765013)
Does the USB Hub controller (CY765100,CY765113 and CY765013) need a driver?
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Not yet rated
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06/22/11 |
EEPROM for Cypress TetraHub USB hub controller
What kind of EEPROM can Cypress TetraHub USB hub controller talk to?
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Not yet rated
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06/21/11 |
Differences between the CY7C65100 and CY7C65113
What is the difference between the hub chip CY7C65100 and the CY7C65113?
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Not yet rated
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06/19/11 |
Compliance compatability of the USB Hub CY7C65113
Is it possible to connect a USB 2.0 compliant FULL SPEED device to USB 1.1 compliant HUB?
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Not yet rated
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06/19/11 |
Emulator feet and Programming adapter for 56-QFN device CY7C66113
Where to get the emulation feet and programming adapter for 56-QFN device CY7C66113?
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Not yet rated
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06/19/11 |
Does the code given for EEPROM connected with CY7C65620 and CY7C65630 works with CY7C65640A?
Does the code given for EEPROM connected with CY7C65620 and CY7C65630 works with CY7C65640A?
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Not yet rated
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06/19/11 |
Difference between CY65113, CY65013 and CY65100 USB Hubs
What is the difference between the CY65113, CY65013 and the CY65100 USB Hubs?
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Not yet rated
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06/19/11 |
When I run the CY3654 emulator, why does the mouse cursor starts moving all over the screen?
When I run the CY3654 emulator, why does the mouse cursor starts moving all over the screen?
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Not yet rated
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06/19/11 |