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ATTINY261 Datasheet(PDF) 3 Page - ATMEL Corporation

Part No. ATTINY261
Description  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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ATTINY261 Datasheet(HTML) 3 Page - ATMEL Corporation

 
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3
2588BS–AVR–11/06
ATtiny261/461/861
2.
Overview
The ATtiny261/461/861 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced
RISC architecture. By executing powerful instructions in a single clock cycle, the
ATtiny261/461/861 achieves throughputs approaching 1 MIPS per MHz allowing the system
designer to optimize power consumption versus processing speed.
2.1
Block Diagram
Figure 2-1.
Block Diagram
PORT A (8)
PORT B (8)
USI
Timer/Counter1
Timer/Counter0
A/D Conv.
Internal
Bandgap
Analog Comp.
SRAM
Flash
EEPROM
Watchdog
Oscillator
Watchdog
Timer
Oscillator
Circuits /
Clock
Generation
Power
Supervision
POR / BOD &
RESET
PROGRAM
LOGIC
debugWIRE
AGND
AREF
AVCC
PA[0..7]
PB[0..7]
11
RESET
XTAL[1..2]
CPU
3


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