excuse me if I haven't been clear, but I've some problem to write in english
Which I would to do is to connect my evaluation module directly to MCU bypassing USB.
This, to try some feature before to desiging my new board whit BT included.
But, before to connect the board to MCU I would like to connect the board to my PC trough FTDI converter (like to this: https://www.ebay.com/itm/FTDI-Basic-3-3V-5V-USB-to-TTL-MWC-Programmer-Adapter-Module-for-Arduino/222350990743).
What happens now is:
- I connect CYW920706WCDEVAL to usb and I have a virtual com port.
- I launch minicom (teminal program for linux) or HyperTerminal ( windows) and I can receive and send data from PC to board.
I would need same behavior but bypassing internal USB and using my FTDI converter.
If this solution works fine I can proceed to connect board directly to my MCU using UART HCI pins.
I hope to have explained better from last message.
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On the CYW920706WCDEVAL board, I disable the connection of puart to the onboard FTDI chip by switching OFF switches 2 and 4 of SW5.
Then I interface an external FTDI chip to the EVAL board as shown in the picture, although this external FTDI chip still uses USB (to PC) to UART. The red wire is Tx (of ext FTDI) to Rx, and the green wire is Rx (of ext FTDI) to Tx.
I download the puart app in the apps/hal and was able to reproduce the effect of the app by communicating with the EVAL board via the external FTDI serial port.
I was using the wrong pins
Many thanks for your help.