AVR-Chat

----- Original Message ----- 
From: "Brian" <blue_eagle74@yahoo.com>
To: <AVR-Chat@yahoogroups.com>
Sent: Tuesday, January 06, 2009 12:33 AM
Subject: [AVR-Chat] Comms between AVR's


> What is the common comms method to use to commuicate between AVR's
> (mega series) for short distances (USART, SPI, IIC, CAN), a few inches
> to less than a couple of feet (not on the same board)? This could be
> for 2 or more AVR's. I am using IIC for my eeprom and RTC.

I'd use SPI, it's faster than RS-232 and I2C. OTOH, it might be best to 
stick to I2C if you don't have the SPI available and have to do it in 
software.

Leon