Rainbow-electronics ATtiny861_V Manuel d'utilisateur télécharger pdf (Page 3)

2588B–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.

SRAMFlash

EEPROM

Watchdog

Oscillator

Watchdog

Timer

Oscillator

Circuits /

Clock

Generation

Power

Supervision

POR / BOD &

RESET

VCC

GND

PROGRAM

LOGIC

debugWIRE

AGND

AREF

AVCC

DATA BU S

PA[0..7]PB[0..7]

RESET

XTAL[1..2]

CPU

1 2 3 4 5 6 7 8 ... 235 236

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