Thanks Larry. I get it now. PORTx is for output and you can read and write that with no problem but for pin inputs we use PINx. Do inputs modify PORTx readings? I get the impression we never use PORTx for pin input readings.
-----Original Message----- From: larry barello [mailto:[EMAIL PROTECTED] Sent: Thursday, February 01, 2007 7:43 PM To: 'AVR Development' Subject: RE: [avr-gcc-list] Stoopid Question PortX is the output register which sets the drive (output) low or high PinX is the register that tells you what the actual level of the pin is (whether output or input). DirX sets the direction (In/out). _____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of AVR Development Sent: Thursday, February 01, 2007 7:26 PM To: [email protected] Subject: [avr-gcc-list] Stoopid Question Okay, it's kind of a stupid question considering the level of applications I generate. PORTA and PINA what exactly is the differences? Barry
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