Keil forum How to interface GSM module with 89s52

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How to interface GSM module with 89s52

mayank kaushik over 12 years ago

I am able to connect my sim900 gsm module with hyper terminal but I am not able to connect it with 89s52. Please help me to connect it.

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0 pattercake pattercake over 12 years ago

I noticed that there's something I can't understand - the sign extension that is performed when moving a 8-bit or 16-bit value to a register. How does it work?
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0 pattercake pattercake over 12 years ago

I noticed that there's something I can't understand - the sign extension that is performed when moving a 8-bit or 16-bit value to a register. How does it work?
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0 ImPer Westermark over 12 years ago in reply to pattercake pattercake

Sign extension? Exactly what does that have to do with GSM modules?
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