Hello,
In one of our on going project we need SATA interface but our system dont have SATA port. We are trying to convert USB3.0 port of our USB3.0 hub into SATA port.
For that we are using TUSB9261 USB3.0 to SATA bridge converter chipset.
While designing its schematic we refered TUSB9261 demo board guide. Regarding this chipset design I had few queries that are as follows.
1) As our system run on Linux OS (Ubuntu 18.04) . Will TUSB9261 driver support this Linux OS?
2) In Demo board schematic SATA hard drive connection are shown as follows
As per standard SATA connector pinout A+/A- are Transmit + / Transmit - and B+/B- are Receive + /Receive - . But in above schematic TX lines are going TX lane of chip and RX lines are going to RX lane of chip.
I think it should be crossed. RX should go TX.
3) Also A+ connection goes to SATA_TXM and A- connection goes to SATA_TXP. why this connections are reversed?
4) In schematic SPI interface memory chip is connected to TUSB9261. What is purpose of this chip? Is it compulsory to use this memory chip?
5) As TUSB9261 chipset is on board only which is permanently connected to the host. In this case USB_VBUS(50) pin should be permanently kept high?
Please guide me on above queries.
Waiting for reply.
