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Title Customer Rating Updated
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?

Not yet rated
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?

Not yet rated
05/02/13
Using External EEPROM with HX2VL Hub - KBA86998
Question: Is it compulsory to use the External EEPROM with the HX2VL hub?

Not yet rated
04/12/13
ISP Support with USB Hub Products - KBA87003
Question: Do Cypress USB hub products support In-System Programming?

Not yet rated
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?

Not yet rated
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?

Not yet rated
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?

Not yet rated
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

Not yet rated
07/10/12
Dimensions of the E-pad for CY7C65640A
How to get the dimensions of the E-pad for CY7C65640A?

Not yet rated
01/24/12
CY7C65640B/30/20 as a bus powered hub
Can the CY7C65640B/30/20 be configured as a bus powered hub?

Not yet rated
12/29/11
clock speed of SPI_SCK
What is the clock speed of SPI_SCK?

Not yet rated
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)?

Not yet rated
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)

Not yet rated
10/09/11
Transaction Translator (TT) in USB Hub
What is Transaction Translator (TT) in USB Hub?

Not yet rated
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?

Not yet rated
10/03/11
4602B reference design kit
What does the 4602B reference design kit include?

Not yet rated
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?

Not yet rated
09/26/11
OVRx# pins
Do we need external resistors if the OVRx# pins are not used or do they have internal resistors?

Not yet rated
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?

Not yet rated
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".

Not yet rated
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?

Not yet rated
09/12/11
Moisture Sensitivity Level (MSL) of Cypress Parts
How do I find Moisture Sensitivity Level (MSL) of Cypress parts?

Not yet rated
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?

Not yet rated
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?

Not yet rated
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 ?

Not yet rated
08/29/11
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