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AVR091: Replacing AT90S2313 by ATtiny2313
Features
• AT90S2313 Errata Corrected in ATtiny2313
• Changes to Bit and Register Names
• Changes to Interrupt Vector
• Oscillators and Selecting Start-up Delays
• Improvements to Timer/Counters and Prescalers
• Improvements to the U(S)ART
• Enhanced Watchdog Timer
• Changes to EEPROM Writing
• Programming Interface
• Operational Voltage Ranges
• Changes to Electrical Characteristics
Introduction
This application note is a guide to help current AT90S2313 users convert existing
designs to ATtiny2313.
In addition to the differences described in this document, the electrical characteristics
of the devices are different. Check the datasheets for detailed information.
Improvements or added features in the AT90S2313 that are not in conflict with those
in AT90S1200 are not listed in this document.
Rev. 4298A–AVR–10/03
8-bit
Microcontrollers
Application Note
