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how to connect external RAM to keil p[rocesor ?

ommy shedit

hi , i have 2 questions :

1-how to connect external RAM to cpu ?

2-how to connect external FLASH to chip /

3-how to connect external CRYSTAL to chip ?

thanks
ommy

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  • 0 in reply to Andy Neil

    conect the microcontroller, to the ds276 c.i, is a tranceiver rs232, configure the uart to 9600 bps,8,n,1 from basicom o other development software,make the ground common, and conecting tx to rx of te printer to the microcontroller, general , the printers have db25 conector,you will sure is rs232, , the comand is the nex "text" and (13) for enter and skip line, for more information about the conectors you can see pinout.ru, remember, the ground common regards

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  • 0 in reply to Andy Neil

    conect the microcontroller, to the ds276 c.i, is a tranceiver rs232, configure the uart to 9600 bps,8,n,1 from basicom o other development software,make the ground common, and conecting tx to rx of te printer to the microcontroller, general , the printers have db25 conector,you will sure is rs232, , the comand is the nex "text" and (13) for enter and skip line, for more information about the conectors you can see pinout.ru, remember, the ground common regards

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