Jul 16, 2019
08:09 AM
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Jul 16, 2019
08:09 AM
hi, are there any specific wiring rules for the BUS ? foe example impedanc ?
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1 Solution
Jul 22, 2019
02:08 AM
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Jul 22, 2019
02:08 AM
Hi Tomer,
The USB specification requires differential impedance of 90 Ω ± 10 percent between the D+/D- lines. Please refer to the App Note on FX2LP hardware guidelines for other layout guidelines.
Best Regards,
Sananya
3 Replies
Jul 19, 2019
07:09 AM
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Jul 19, 2019
07:09 AM
Hi,
Please let us know what Cypress product are you using? Are you making a custom board?
Regards,
Hemanth
Hemanth
Jul 21, 2019
11:02 AM
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Jul 21, 2019
11:02 AM
Hi,
my cypress product is CY7C68013A0128AXC.
yes i making a custom board.
thanks
tomer
Jul 22, 2019
02:08 AM
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Jul 22, 2019
02:08 AM
Hi Tomer,
The USB specification requires differential impedance of 90 Ω ± 10 percent between the D+/D- lines. Please refer to the App Note on FX2LP hardware guidelines for other layout guidelines.
Best Regards,
Sananya