Serial vs Parallel communication

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Anonymous
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 Hello all

   

i implemented a parallel communication method.

   

Master sends a signal, triggering timer in slave( both master and slave are working at same clock). Master puts out data on  8 pins. After the timer in the slave generates terminal count, it reads the 8 pins and ack the Master.

   

The protocol seems working well for me, but everyone recommends standard protocols like SPI, UART.

   

Why is this...... is there a chance of messing around with the data values.........

   

i dont care about no of pins used.

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