Help me build a device with 16 USART

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joebazoka

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USART expansion device

Hi, I need construct a device with 16 USART. This must be connected to a microcontroller. Anybody have idea if exist an expansion device for do this?. The porpose of this system is establish comunication with 16 remote devices. I can´t implement a bus topology because the 16 devices are commercial with TTL USART interface and I can't control the bus contention. Regards.
 

If you don't need the 16 devices simultaneously you can build your own multiplexer with some TTL or CPLD ? That will be much easier than using 16 UARTs.


Mik
 

Re: USART expansion device

if you use only assy. Communication ;

Use any high speed controller for slave processor.

Slave processor may emulate the UART using Standart I/O pin, and communicate your controller (serial or parralel.)
 

USART expansion device

hi if u have complete USART PROJECT THEN PLEASE SEND ME CODING OF THE PROJECT ...I REALLY NEED IT ...PLZZZZZZZZZ

Added after 14 minutes:

if u have USRT coding then send me please.....
bibekkumarit82@gmail.com
 

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