ATMEGA261 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

ATMEGA261

8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash

Atmel Corporation 

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ATtiny261/ATtiny461/ATtiny861

• Bit 3- PRTIM1: Power Reduction Timer/Counter1

Writing a logic one to this bit shuts down the Timer/Counter1 module. When the Timer/Counter1

is enabled, operation will continue like before the shutdown.

• Bit 2- PRTIM0: Power Reduction Timer/Counter0

Writing a logic one to this bit shuts down the Timer/Counter0 module. When the Timer/Counter0

is enabled, operation will continue like before the shutdown.

• Bit 1 - PRUSI: Power Reduction USI

Writing a logic one to this bit shuts down the USI by stopping the clock to the module. When

waking up the USI again, the USI should be re initialized to ensure proper operation.

• Bit 0 - PRADC: Power Reduction ADC

Writing a logic one to this bit shuts down the ADC. The ADC must be disabled before shut down.

Also analog comparator needs this clock.

39

7753E–AVR–06/10

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