USB type C with HD3SS3220

Robotics & Edge Computing Jetson & Embedded Systems Jetson Xavier NX
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1

Hi,

We are design custom dev board for NX module. For type C we using HD3SS3220 since NX doesn’t support type C.
We have little confuse about connection between NX and HD3SS3220.
As our understanding, TXP/N (NX) need connect to RXp/n (HD3SS3220), and RXP/N to TXp/n.
But in some design we just saw:

image
image692×104 21.9 KB

(source: antmicro.com)
Any help or clarify? Thanks

3

It needs to check with vendor/datasheet of device. In general, the device pin name is same to host, i.e. TX to TX, RX to RX.

4

Hi Trumany,
Thanks for answer. I am checked with TI. In both case are OK.