[En-Nut-Discussion] External I/O and I2C on available port of Ethernut 1

Michael Fischer fischermi at t-online.de
Sat Jan 10 10:56:49 CET 2004

Hello Berns,

if you take a look in the ATmega128 manual on page 74, you
will find the information that I2C or called TWI is on PORTD
at PIN PD0 and PD1.

This pin's are the INT0 and INT1 interface pin on the ethernut.
If you does not use this interrupts, you can use it for your
I2C app.



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