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1 USB to 3 UART using FT4232H

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vikash23:
Hi,



Please see the attached image.



I have three devices with only UART in all three devices



I need to communicate with all three devices at the same time or one after the other using one USB



I have see USB to UART using FTDI converter . But that is for one to one.



Here one USB to 3 UART I needs to be connect. Is it possible using FT4232H?



I saw one FTDI device FT4232H and the datasheet says "Single chip USB to four channels UART (RS232, RS422 or RS485) or Bit-Bang interfaces. "



can I use this device for my application ?

FTDI Community:
Hello,

Yes the FT4232H can be utilised to provide up to 4 UART connections from a single USB device, each UART connection would present its own COM port to the host machine.

Best Regards,
FTDI Community

vikash23:
Can I also please know if RXTX0, RXTX1 and RXTX2 devices can also communicated among themselves via FT4232H as bridge ?

I mean device 0 messages goes through FTDI IC and received by device 1. Also vice versa.

Thanks

FTDI Community:
Hello,

Unfortunately it is not possible to bridge UART connections through the IC between devices.

Best Regards,
FTDI Community

vikash23:
Hi,

Thanks for your response.

If the UART bridge is not possible, can I please know the best method to communicate between device 0 and device 1 ?

Any PC self developed application can receive the data from both devices via FTDI and do a bypass on the PC application ?

Regards,
Vikash

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