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Eng.Remon said:oh ok but can u give an ic no#? but could be interfaced easily with the uc, coz usually i search for something and lastly i find it is in somehow wont work
thnx
These guys make good stuffEng.Remon said:oh ok but can u give an ic no#? but could be interfaced easily with the uc, coz usually i search for something and lastly i find it is in somehow wont work
thnx
The RCREG is a double buffered register, i.e. it is a two deep FIFO. It is possible for two bytes of data to be received and transferred to the RCREG FIFO and a third byte begin shifting to the RSR register.
The external FIFO memory does two things. It is blisteringly fast in a way that serial methods cannot be, and it takes very nearly zero processor resources on either side. I agree that it's not required for most applications, but if you require raw speed it's tough to beat.Oznog said:I have no idea what you're suggesting with a FIFO. It has nothing to do with his problem that I can see.
Serial comm works great (many PICs have a hardware serial module built in). I2C and SPI are other ways to interconnect 2 controllers or interface a controller with a peripheral designed to use that sort of communication. Serial will even allow you to connect to a PC. We do this all the time.
For communication between 2 controllers, usually serial. You don't need to use an RS232 transceiver in most cases, just connect the TX of one controller to the RX of the other (one wire) and configure the hardware serial module.