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AVR42787: AVR Software User Guide AVR 8-bit Microcontrollers
Introduction
1 AVR 8-bit Architecture
2 AVR GCC and the Toolchain
3 I/O Header Files
4 Flash Variables
5 Interrupt Service Routine
5.1 Interrupt Service Routine Declaration and Definition
5.2 Variable Updated Within An Interrupt Service Routine
6 Calculate UART Baud Rate
7 Power Management and Sleep Modes
7.1 Functions
8 Delay Routines
8.1 F_CPU
8.2 void _delay_ms
void _delay_ms(double __ms)
8.3 void _delay_us
void _delay_us(double __us)
9 Tips and Tricks to Reduce Code Size
9.1 Tips and Tricks to Reduce Code Size
9.2 Tips and Tricks to Reduce Execution Time
9.3 Conclusion
10 References
11 Revision History
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