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Topic: Arduino supported ATMega controller with 2 hardware UARTs (Read 385 times) previous topic - next topic

las2211

Could someone please suggest a ATMega series controller with 2 hardware UARTs for a 9 bit serial application? ATMega1284p controller seems to be too expensive....

Cheers

Delta_G

ATMega1284p controller seems to be too expensive....


That's the one.  They're not that high.  They go for about $6 on Mouser.  Can probably get them cheaper elsewhere.  That's not usually the cheapest spot. 
|| | ||| | || | ||  ~Woodstock

Please do not PM with technical questions or comments.  Keep Arduino stuff out on the boards where it belongs.

DrAzzy

ATmega1284p with MCUDude's MightyCore

ATmega328PB with MCUDude's MiniCore - there is an additional step required for these parts, see documentation.

ATtiny1634 or ATtiny841 with my ATTinyCore.

ATmega2560 (Arduino Mega)
ATtiny core for 841+1634+828 and x313/x4/x5/x61/x7/x8 series Board Manager:
http://drazzy.com/package_drazzy.com_index.json
ATtiny breakouts (some assembled), mosfets and awesome prototyping board in my store http://tindie.com/stores/DrAzzy

CrossRoads

Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

hansibull

Does it have to be in DIP package?

The ATmega128 can be bought for $1 at Ebay and has two UARTS.
Arduino support through MegaCore
MightyCore -  ATmega1284, mega644, mega324, mega164, mega32, mega16, mega8535
Github.com/MCUdude/MightyCore

MiniCore - ATmega8, mega48, mega88, mega168, mega328
Github.com/MCUdude/MiniCore

las2211

Thanks all for your comments and suggestions...

I was trying to compare between 328PB and 1284 chips. 

However I still prefer to use 328PB but MCUDude minicore didn't work for me, Not sure what's the exact issue but when trying to compile its giving me detachinterrupt error for the 328PB chip.

Surely I'm not following something it seems.. any help appreciated!

DrAzzy

ATtiny core for 841+1634+828 and x313/x4/x5/x61/x7/x8 series Board Manager:
http://drazzy.com/package_drazzy.com_index.json
ATtiny breakouts (some assembled), mosfets and awesome prototyping board in my store http://tindie.com/stores/DrAzzy

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