- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Our customers are considering booting an FPGA using FX3S.
In order to download FPGA configuration data from the SD card, the FX3S requires an SD card I / F and SPI(master).
Looking at the FX3S data sheet, it appears that we need to use S1-Port to configure the SD SPI.
In that case, is it necessary to select CYUSB3035 which has 2 Strage ports?
Best Regards,
Naoaki Morimoto
Solved! Go to Solution.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Hi Morimoto-san,
Thank you for waiting and thank you for clarify the situation.
As a conclusion, you are possible to use CYUSB3031/3033 on this situation.
As you know, CYUSB3031/3033 has only 1 S-Port. S0-Port is available whereas S1-Port is not available.
But, Serial Peripherals(UART/SPI/I2S) is available on CYUSB3031/3033.
https://www.cypress.com/part/cyusb3031-bzxc
It means that irrespective of whether S1-Port is available or not, Low Speed Peripherals (GPIO [53] - [57]) can use (VIO4 Power Domain is available).
Comments:
On scenario 1, it can achieve without any changes as big picture.
On scenario 2, because S1-Port is not available, SD card cannot connect to S1-Port SDIOs. Kindly connect to S0-Port SDIOs instead.
Also, SPI block is not in the S1-Port block. These are two independent blocks.
Best regards,
Hirotaka Takayama