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I want to design a system,which MCU there is two serial port

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paulguo

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I want to design a system,which MCU there is two serial port

Thanks
 

sorry ,would you like to introduce it in detial?
mcu the type 8 16 32 bits?
serial rs232 rs485 or others?

when you have determined the two items ,you will have to choose the chips and relative software tools.
good luck to you
yours
 

The mcu is 8 bits and it interface is rs232


Thanks
 

What kind of help you need ?

Whole system ? Schematic ?

Anyway, you have to find a RS232 interface chip (for example from TI). Then write software to handle the signal handsaking. This is not difficult. You can do it my yourself.
 

On 2002-04-27 02:51, paulguo wrote:
I want to design a system,which MCU there is two serial port
Thanks
Click to expand...

Suggest you consider the Winbond W77LE58
It is an 8051 type with dual UART.
 

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