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USB Hosts Hubs Transceivers

NoAr_1540581
New Contributor II

Hello

Regarding the connection of unused pins of HX2VL, it was described in KBA89012. However, If all the following pins are unused in CY7C65642-28LTXCT, they think that they want to connect directly to GND or VDD instead of OPEN. Is it possible?

~ Unused pin ~
D + / D- 2,4 pins (6,7,15,16 pin)
OVR1 ~ 4 (19,20,24,25 pin)
I2C_SDA, SCL (18,26 pin)
VCC (27pin)

Best Regards

Arai

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1 Solution
Sananya_14
Moderator
Moderator

Hello Arai-san,

The pins could be connected as below-

D+/D- : open

OVR1-4: pulled high

I2C_SDA: pulled high, I2C_SCL: open

VCC: open if external regulator used

Best Regards,

Sananya

View solution in original post

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1 Reply
Sananya_14
Moderator
Moderator

Hello Arai-san,

The pins could be connected as below-

D+/D- : open

OVR1-4: pulled high

I2C_SDA: pulled high, I2C_SCL: open

VCC: open if external regulator used

Best Regards,

Sananya

View solution in original post

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