ATTINY817-MFR. datasheet(36/492 Pages) MICROCHIP

Part #	ATTINY817-MFR.

Description	AVR짰 Microcontroller with Core Independent Peripherals and picoPower짰 Technology

PDF	492 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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36 / 492 page

Figure 8-1. AVR CPU Architecture

Flash program

memory

Program

counter

Instruction

decode

Data memory

ALU

Status

R10

R11

R12

R13

R14

R15

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

R26 (XL)

R27 (XH)

R28 (YL)

R29 (YH)

R30 (ZL)

R31 (ZH)

Stack

pointer

The Arithmetic Logic Unit (ALU) supports arithmetic and logic operations between registers or between a

constant and a register. Single-register operations can also be executed in the ALU. After an arithmetic

operation, the status register is updated to reflect information about the result of the operation.

The ALU is directly connected to the fast-access register file. The 32 8-bit general purpose working

registers all have single clock cycle access time allowing single-cycle arithmetic logic unit operation

between registers or between a register and an immediate. Six of the 32 registers can be used as three

16-bit address pointers for program and data space addressing, enabling efficient address calculations.

ATtiny417/817

Datasheet Complete

DS40001901B-page 36

ATTINY817-MFR. Datasheet(PDF) 36 Page - Microchip Technology

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